Titelia

Fund shareholders of Packaging Corp of America

ISIN US6951561090 · United States · LEI 549300XZP8MFZFY8TJ84

Fund shareholders
713
Of which ETFs
210 503 other funds
Value held
≈ 8.9B $ 8.9B $ · 501.4M SEK · 1.1M €
Share of capital
42.4 % of 89.1M shares on Jul 31, 2026

713 funds hold this company. This table lists the 710 that declare it in a regulatory filing. The other 3 publish their holdings in their own reports. The “Fund reports” tab lists them, with their weight.

FundSharesValueWeight in fundShare of capital
VANGUARD TOTAL STOCK MARKET INDEX FUND VANGUARD INDEX FUNDS 2,828,011673.9M $0.03 %3.17 %as of Jun 30, 2026 ↗
VANGUARD 500 INDEX FUND VANGUARD INDEX FUNDS 2,293,135546.4M $0.03 %2.57 %as of Jun 30, 2026 ↗
VANGUARD MID-CAP INDEX FUND VANGUARD INDEX FUNDS 1,930,630460M $0.21 %2.17 %as of Jun 30, 2026 ↗
JPMorgan Equity Income Fund JPMorgan Trust II 1,322,810315.2M $0.72 %1.48 %as of Jun 30, 2026 ↗
Victory Sycamore Established Value Fund Victory Portfolios 1,285,000306.2M $1.98 %1.44 %as of Jun 30, 2026 ↗
iShares Core S&P 500 ETF iShares Trust 1,217,340290.1M $0.03 %1.37 %as of Jun 30, 2026 ↗
Fidelity 500 Index Fund Fidelity Concord Street Trust 1,143,684250.4M $0.03 %1.28 %as of May 31, 2026 ↗
Columbia Dividend Income Fund COLUMBIA FUNDS SERIES TRUST I 1,095,477239.8M $0.51 %1.23 %as of May 31, 2026 ↗
Disciplined Value Mid Cap Fund John Hancock Funds III 999,118238.1M $1.03 %1.12 %as of Jun 30, 2026 ↗
State Street(R) Materials Select Sector SPDR(R) ETF SELECT SECTOR SPDR TRUST 967,609230.6M $2.82 %1.09 %as of Jun 30, 2026 ↗
Invesco S&P 500 Equal Weight ETF Invesco Exchange-Traded Fund Trust 860,046211.4M $0.22 %0.97 %as of Jul 31, 2026 ↗
T. Rowe Price U.S. Large-Cap Core Fund, Inc. T. ROWE PRICE U.S. LARGE-CAP CORE FUND, INC. 849,028202.3M $1.12 %0.95 %as of Jun 30, 2026 ↗
VANGUARD VALUE INDEX FUND VANGUARD INDEX FUNDS 847,366201.9M $0.08 %0.95 %as of Jun 30, 2026 ↗
BNY Mellon Dynamic Value Fund BNY Mellon Advantage Funds, Inc. 809,249177.2M $1.46 %0.91 %as of May 31, 2026 ↗
T. Rowe Price Value Fund, Inc. T. ROWE PRICE VALUE FUND, INC. 746,605177.9M $0.52 %0.84 %as of Jun 30, 2026 ↗
T. Rowe Price All-Cap Opportunities Fund T. Rowe Price All-Cap Opportunities Fund, Inc. 717,100170.9M $1.17 %0.80 %as of Jun 30, 2026 ↗
iShares Select Dividend ETF iShares Trust 705,819173.5M $0.74 %0.79 %as of Jul 31, 2026 ↗
VANGUARD MID-CAP VALUE INDEX FUND VANGUARD INDEX FUNDS 572,267136.4M $0.37 %0.64 %as of Jun 30, 2026 ↗
VANGUARD INSTITUTIONAL INDEX FUND VANGUARD INSTITUTIONAL INDEX FUNDS 480,662114.5M $0.03 %0.54 %as of Jun 30, 2026 ↗
Fundstrat Granny Shots US Large Cap ETF Tidal Trust III 462,320113.7M $2.66 %0.52 %as of Jul 31, 2026 ↗
JPMorgan Mid Cap Value Fund J.P. Morgan Fleming Mutual Fund Group, Inc. 434,845103.6M $0.93 %0.49 %as of Jun 30, 2026 ↗
Mid Cap Value Fund American Century Capital Portfolios, Inc. 389,60892.8M $1.64 %0.44 %as of Jun 30, 2026 ↗
iShares Russell Mid-Cap ETF iShares Trust 356,27284.9M $0.15 %0.40 %as of Jun 30, 2026 ↗
VANGUARD HIGH DIVIDEND YIELD INDEX FUND VANGUARD WHITEHALL FUNDS 349,51285.9M $0.09 %0.39 %as of Jul 31, 2026 ↗
Fidelity Low-Priced Stock Fund Fidelity Puritan Trust 343,33284.4M $0.34 %0.39 %as of Jul 31, 2026 ↗
Equity Income Fund American Century Capital Portfolios, Inc. 334,21879.6M $1.23 %0.38 %as of Jun 30, 2026 ↗
Fidelity Mid Cap Index Fund Fidelity Salem Street Trust 328,72080.8M $0.16 %0.37 %as of Jul 31, 2026 ↗
JPMorgan Value Advantage Fund JPMorgan Trust I 298,11971M $0.82 %0.33 %as of Jun 30, 2026 ↗
THE U.S. LARGE CAP VALUE SERIES DFA INVESTMENT TRUST CO 287,41770.7M $0.23 %0.32 %as of Jul 31, 2026 ↗
Focused Large Cap Value Fund American Century Capital Portfolios, Inc. 272,57864.9M $2.21 %0.31 %as of Jun 30, 2026 ↗
VANGUARD MATERIALS INDEX FUND VANGUARD WORLD FUND 261,13857.2M $1.26 %0.29 %as of May 31, 2026 ↗
JNL/Newton Equity Income Fund JNL Series Trust 255,96661M $1.38 %0.29 %as of Jun 30, 2026 ↗
Schwab U.S. Mid-Cap ETF SCHWAB STRATEGIC TRUST 241,66452.9M $0.36 %0.27 %as of May 31, 2026 ↗
State Street(R) SPDR(R) S&P(R) Global Natural Resources ETF SPDR INDEX SHARES FUNDS 229,61754.7M $1.22 %0.26 %as of Jun 30, 2026 ↗
State Street(R) SPDR(R) Portfolio S&P 500(R) ETF SPDR SERIES TRUST 211,35050.4M $0.03 %0.24 %as of Jun 30, 2026 ↗
Bahl & Gaynor Small/Mid Cap Income Growth ETF ETF Series Solutions 201,71548.1M $3.30 %0.23 %as of Jun 30, 2026 ↗
Schwab S&P 500 Index Fund SCHWAB CAPITAL TRUST 198,92048.9M $0.03 %0.22 %as of Jul 31, 2026 ↗
iShares Russell 1000 Value ETF iShares Trust 193,14146M $0.06 %0.22 %as of Jun 30, 2026 ↗
Avantis U.S. Large Cap Value ETF American Century ETF Trust 185,75240.7M $0.32 %0.21 %as of May 31, 2026 ↗
Dimensional U.S. Core Equity 2 ETF Dimensional ETF Trust 173,91042.8M $0.09 %0.20 %as of Jul 31, 2026 ↗
Fidelity Total Market Index Fund Fidelity Concord Street Trust 168,93537M $0.03 %0.19 %as of May 31, 2026 ↗
JPMorgan Mid Cap Equity Fund JPMorgan Trust I 167,37139.9M $0.64 %0.19 %as of Jun 30, 2026 ↗
Small-MidCap Dividend Income Fund Principal Funds, Inc 153,11833.5M $2.18 %0.17 %as of May 31, 2026 ↗
Fidelity SAI U.S. Low Volatility Index Fund Fidelity Salem Street Trust 150,39737M $0.16 %0.17 %as of Jul 31, 2026 ↗
Strategic Advisers Fidelity U.S. Total Stock Fund Fidelity Rutland Square Trust II 148,08832.4M $0.01 %0.17 %as of May 31, 2026 ↗
iShares S&P 500 Value ETF iShares Trust 145,56934.7M $0.07 %0.16 %as of Jun 30, 2026 ↗
Fidelity Series Total Market Index Fund Fidelity Concord Street Trust 136,22529.8M $0.03 %0.15 %as of May 31, 2026 ↗
First Trust Value Line Dividend Index Fund First Trust Exchange-Traded Fund 133,92631.9M $0.40 %0.15 %as of Jun 30, 2026 ↗
iShares Russell Mid-Cap Value ETF iShares Trust 132,77631.6M $0.20 %0.15 %as of Jun 30, 2026 ↗
Strategic Advisers U.S. Total Stock Fund Fidelity Rutland Square Trust II 127,61627.9M $0.03 %0.14 %as of May 31, 2026 ↗
BNY Mellon Natural Resources Fund BNY MELLON OPPORTUNITY FUNDS 126,90630.2M $2.74 %0.14 %as of Jun 30, 2026 ↗
AP7 Aktiefond Sjunde AP-fonden 126,027254.8M SEK0.02 %0.14 %as of Mar 31, 2026 ↗
WisdomTree U.S. Quality Dividend Growth Fund WisdomTree Trust 122,00729.1M $0.18 %0.14 %as of Jun 30, 2026 ↗
VANGUARD STRATEGIC EQUITY FUND VANGUARD HORIZON FUNDS 120,20028.6M $0.24 %0.13 %as of Jun 30, 2026 ↗
BNY Mellon Dynamic Value ETF BNY Mellon ETF Trust II 118,59829.2M $1.59 %0.13 %as of Jul 31, 2026 ↗
BlackRock Commodity Strategies Fund BlackRock Funds 117,67825.8M $2.03 %0.13 %as of May 29, 2026 ↗
U.S. CORE EQUITY 1 PORTFOLIO DFA INVESTMENT DIMENSIONS GROUP INC 116,60128.7M $0.07 %0.13 %as of Jul 31, 2026 ↗
iShares Core S&P Total U.S. Stock Market ETF iShares Trust 114,03227.2M $0.03 %0.13 %as of Jun 30, 2026 ↗
U.S. CORE EQUITY 2 PORTFOLIO DFA INVESTMENT DIMENSIONS GROUP INC 111,78527.5M $0.07 %0.13 %as of Jul 31, 2026 ↗
Column Mid Cap Select Fund Trust for Professional Managers 110,19824.1M $0.79 %0.12 %as of May 31, 2026 ↗
MidCap Value Fund I Principal Funds, Inc 108,43226.7M $1.08 %0.12 %as of Jul 31, 2026 ↗
State Street(R) SPDR(R) Portfolio S&P 500(R) Value ETF SPDR SERIES TRUST 107,70725.7M $0.07 %0.12 %as of Jun 30, 2026 ↗
VANGUARD LARGE-CAP INDEX FUND VANGUARD INDEX FUNDS 104,04724.8M $0.03 %0.12 %as of Jun 30, 2026 ↗
Bridge Builder Small/Mid Cap Value Fund Bridge Builder Trust 101,44224.2M $0.23 %0.11 %as of Jun 30, 2026 ↗
JNL/BlackRock Global Natural Resources Fund JNL Series Trust 98,64523.5M $3.34 %0.11 %as of Jun 30, 2026 ↗
JNL/T. Rowe Price Value Fund JNL Series Trust 96,20022.9M $0.52 %0.11 %as of Jun 30, 2026 ↗
Schwab U.S. Large-Cap ETF SCHWAB STRATEGIC TRUST 94,56220.7M $0.03 %0.11 %as of May 31, 2026 ↗
Nomura Mid Cap Income Opportunities Fund IVY FUNDS 84,03120M $2.79 %0.09 %as of Jun 30, 2026 ↗
S&P 500 Index Master Portfolio Master Investment Portfolio 81,72219.5M $0.03 %0.09 %as of Jun 30, 2026 ↗
Fidelity Series Intrinsic Opportunities Fund Fidelity Puritan Trust 78,70019.3M $0.69 %0.09 %as of Jul 31, 2026 ↗
DWS RREEF Real Assets Fund DEUTSCHE DWS MARKET TRUST 78,51018.7M $0.40 %0.09 %as of Jun 30, 2026 ↗
VANGUARD TOTAL WORLD STOCK INDEX FUND VANGUARD INTERNATIONAL EQUITY INDEX FUNDS 78,28419.2M $0.02 %0.09 %as of Jul 31, 2026 ↗
Neuberger Equity Income Fund NEUBERGER BERMAN EQUITY FUNDS 77,30016.9M $1.65 %0.09 %as of May 31, 2026 ↗
iShares Core S&P U.S. Value ETF iShares Trust 75,83418.1M $0.07 %0.09 %as of Jun 30, 2026 ↗
Dimensional U.S. Marketwide Value ETF Dimensional ETF Trust 75,67318.6M $0.12 %0.08 %as of Jul 31, 2026 ↗
Nuveen Equity Index Fund TIAA-CREF Funds 73,85118.2M $0.03 %0.08 %as of Jul 31, 2026 ↗
Victory Sycamore Mid Cap Value Portfolio Brighthouse Funds Trust I 73,40017.5M $1.98 %0.08 %as of Jun 30, 2026 ↗
Large-Cap Value Portfolio PACIFIC SELECT FUND 71,79417.1M $1.56 %0.08 %as of Jun 30, 2026 ↗
Multi-Manager Value Strategies Fund Columbia Funds Series Trust II 68,99415.1M $0.27 %0.08 %as of May 31, 2026 ↗
Dimensional US Large Cap Value ETF Dimensional ETF Trust 68,24516.8M $0.25 %0.08 %as of Jul 31, 2026 ↗
Value Fund American Century Capital Portfolios, Inc. 66,07315.7M $0.83 %0.07 %as of Jun 30, 2026 ↗
Fidelity Low-Priced Stock K6 Fund Fidelity Puritan Trust 64,24915.8M $0.34 %0.07 %as of Jul 31, 2026 ↗
Schwab Fundamental U.S. Large Company ETF SCHWAB STRATEGIC TRUST 61,09913.4M $0.05 %0.07 %as of May 31, 2026 ↗
College Retirement Equities Fund - Total Global Stock Account College Retirement Equities Fund 60,80914.5M $0.01 %0.07 %as of Jun 30, 2026 ↗
NVIT BNY Mellon Dynamic U.S. Equity Income Fund Nationwide Variable Insurance Trust 60,80214.5M $1.28 %0.07 %as of Jun 30, 2026 ↗
Invesco Equally-Weighted S&P 500 Fund AIM Counselor Series Trust (Invesco Counselor Series Trust) 60,40313.2M $0.19 %0.07 %as of May 31, 2026 ↗
iShares Russell 1000 ETF iShares Trust 60,33014.4M $0.03 %0.07 %as of Jun 30, 2026 ↗
Destinations Large Cap Equity Fund Brinker Capital Destinations Trust 57,66412.6M $0.35 %0.06 %as of May 31, 2026 ↗
American Beacon GLG Natural Resources ETF AMERICAN BEACON SELECT FUNDS 56,92014M $1.66 %0.06 %as of Jul 31, 2026 ↗
T. Rowe Price Real Assets Fund, Inc. T. ROWE PRICE REAL ASSETS FUND, INC. 56,78013.5M $0.13 %0.06 %as of Jun 30, 2026 ↗
Diversified Real Asset Fund Principal Funds, Inc 56,57612.4M $0.46 %0.06 %as of May 31, 2026 ↗
VANGUARD RUSSELL 1000 VALUE INDEX FUND VANGUARD SCOTTSDALE FUNDS 56,33012.3M $0.06 %0.06 %as of May 31, 2026 ↗
T. Rowe Price Equity Index 500 Fund T. ROWE PRICE INDEX TRUST, INC. 55,29913.2M $0.03 %0.06 %as of Jun 30, 2026 ↗
T. Rowe Price Small-Mid Cap ETF T. Rowe Price Exchange-Traded Funds, Inc. 54,80813.1M $0.48 %0.06 %as of Jun 30, 2026 ↗
Schwab Total Stock Market Index Fund SCHWAB CAPITAL TRUST 53,97813.3M $0.03 %0.06 %as of Jul 31, 2026 ↗
T. Rowe Price New Era Fund T. ROWE PRICE NEW ERA FUND, INC. 53,95912.9M $0.45 %0.06 %as of Jun 30, 2026 ↗
T. Rowe Price U.S. Equity Research Fund T. Rowe Price U.S. Equity Research Fund, Inc. 52,81512.6M $0.07 %0.06 %as of Jun 30, 2026 ↗
Variable Portfolio - Partners Core Equity Fund Columbia Funds Variable Series Trust II 52,78012.6M $0.56 %0.06 %as of Jun 30, 2026 ↗
Schwab U.S. Broad Market ETF SCHWAB STRATEGIC TRUST 52,67211.5M $0.03 %0.06 %as of May 31, 2026 ↗
Avantis U.S. Equity ETF American Century ETF Trust 51,40911.3M $0.08 %0.06 %as of May 31, 2026 ↗

Download this table: CSV, JSON

Report an error

Funds that publish their own holdings

FundWeight in fund
Pictet - Timber Pictet Asset Management (Europe) S.A. 3.42 %as of Sep 30, 2025 ↗
Pictet - Regeneration Pictet Asset Management (Europe) S.A. 2.47 %as of Sep 30, 2025 ↗
Pictet - USA Index Pictet Asset Management (Europe) S.A. 0.04 %as of Sep 30, 2025 ↗

The funds most exposed to it

The weight is the share of a fund's net assets. The holders table ranks funds by number of shares. This one ranks them by the weight of the company in each fund.

FundWeight in fund
1789 GROWTH AND INCOME FUND Pinnacle Capital Management Funds Trust 6.35 %as of Jul 31, 2026 ↗
Invesco MSCI Global Timber ETF Invesco Exchange-Traded Fund Trust II 5.56 %as of Jul 31, 2026 ↗
Invesco S&P 500 Equal Weight Materials ETF Invesco Exchange-Traded Fund Trust 4.18 %as of Jul 31, 2026 ↗
Pictet - Timber Pictet Asset Management (Europe) S.A. 3.42 %as of Sep 30, 2025 ↗
JNL/BlackRock Global Natural Resources Fund JNL Series Trust 3.34 %as of Jun 30, 2026 ↗
Bahl & Gaynor Small/Mid Cap Income Growth ETF ETF Series Solutions 3.30 %as of Jun 30, 2026 ↗
BlackRock Natural Resources Trust BlackRock Natural Resources Trust 3.27 %as of Jul 31, 2026 ↗
State Street(R) Materials Select Sector SPDR(R) ETF SELECT SECTOR SPDR TRUST 2.82 %as of Jun 30, 2026 ↗
Nomura Mid Cap Income Opportunities Fund IVY FUNDS 2.79 %as of Jun 30, 2026 ↗
PROFUND VP MATERIALS ProFunds 2.77 %as of Jun 30, 2026 ↗

Quarter after quarter

Each row is one quarter of SEC filings, newest first. The change compares each quarter with the one before.

QuarterShareholdersChangeSharesChange
2026Q3670-737,502,995-5.7 %
2026Q2677+2739,775,762+3.5 %
2026Q1650-5338,425,603+1.1 %
2025Q4703-1038,000,811+0.7 %
2025Q3713+737,718,368+3.9 %
2025Q2706+1836,299,894+3.4 %
2025Q1688-935,120,525-8.6 %
2024Q4697+1138,425,194-3.7 %
2024Q3686+1239,889,237+5.0 %
2024Q2674+1837,987,766+0.5 %
2024Q1656+1237,791,072-7.5 %
2023Q464440,842,671

Institutional managers

867 managers declare this company to the SEC (Form 13F). The table shows the 25 largest.

ManagerSharesValue
BlackRock, Inc.7,706,5741.6B $as of Mar 31, 2026
PRICE T ROWE ASSOCIATES INC /MD/6,522,7231.4M $as of Mar 31, 2026
STATE STREET CORP4,244,444906M $as of Mar 31, 2026
JPMORGAN CHASE & CO3,427,039716.4M $as of Mar 31, 2026
FIL Ltd2,857,923606.5M $as of Mar 31, 2026
GEODE CAPITAL MANAGEMENT, LLC2,485,736525.6M $as of Mar 31, 2026
ROYAL BANK OF CANADA2,323,010493M $as of Mar 31, 2026
Bank of New York Mellon Corp2,235,584474.4M $as of Mar 31, 2026
AMERICAN CENTURY COMPANIES INC2,066,537438.6M $as of Mar 31, 2026
VICTORY CAPITAL MANAGEMENT INC2,024,118429.6M $as of Mar 31, 2026
AMERIPRISE FINANCIAL INC1,940,716411.9M $as of Mar 31, 2026
Boston Partners1,566,890332.5M $as of Mar 31, 2026
Atlas FRM LLC1,532,500325.2M $as of Mar 31, 2026
BANK OF AMERICA CORP /DE/1,518,100322.2M $as of Mar 31, 2026
MORGAN STANLEY1,510,560320.6M $as of Mar 31, 2026
DIMENSIONAL FUND ADVISORS LP1,296,667275.2M $as of Mar 31, 2026
FMR LLC1,197,395254.1M $as of Mar 31, 2026
Invesco Ltd.1,128,390239.5M $as of Mar 31, 2026
MILLENNIUM MANAGEMENT LLC1,115,665236.8M $as of Mar 31, 2026
Select Equity Group, L.P.1,023,041217.1M $as of Mar 31, 2026
NORTHERN TRUST CORP940,349199.6M $as of Mar 31, 2026
DIAMANT ASSET MANAGEMENT, INC.893,446893.4K $as of Mar 31, 2026
CHARLES SCHWAB INVESTMENT MANAGEMENT INC860,430182.6M $as of Mar 31, 2026
GOLDMAN SACHS GROUP INC665,772141.3M $as of Mar 31, 2026
STIFEL FINANCIAL CORP563,022119.5M $as of Mar 31, 2026

Declared shareholders of Packaging Corp of America

There is 1 beneficial ownership filing. These stakes do not add up. An asset manager that files includes its own funds, which already appear among the funds on this page.

ShareholderDeclared stakeShares
STATE STREET CORPORATION 5.20 %4,620,150as of Jun 30, 2026 · SCHEDULE 13G

Funds holding the debt of Packaging Corp of America

135 funds declare 252 bond lines of this company. The table shows the 25 largest holdings. The amount is the one the fund files. It is not a share of the debt, because no regulator publishes the amount outstanding in open access.

FundBond linesValue
VANGUARD TOTAL BOND MARKET INDEX FUND533.6M $as of Jun 30, 2026
VANGUARD TOTAL BOND MARKET II INDEX FUND628.4M $as of Jun 30, 2026
VANGUARD INTERMEDIATE-TERM CORPORATE BOND INDEX FUND226.2M $as of May 31, 2026
First Trust Enhanced Short Maturity ETF117.1M $as of Jul 31, 2026
iShares Core U.S. Aggregate Bond ETF613.7M $as of May 31, 2026
THE HARTFORD BALANCED INCOME FUND113.7M $as of Jul 31, 2026
VANGUARD INTERMEDIATE-TERM BOND INDEX FUND212.1M $as of Jun 30, 2026
BlackRock Systematic Multi-Strategy Fund111.1M $as of Jun 30, 2026
iShares 5-10 Year Investment Grade Corporate Bond ETF26.2M $as of May 31, 2026
First Trust Intermediate Duration Investment Grade Corporate ETF25.8M $as of Jul 31, 2026
iShares Broad USD Investment Grade Corporate Bond ETF65.7M $as of May 31, 2026
iShares 1-5 Year Investment Grade Corporate Bond ETF25.6M $as of May 31, 2026
Invesco BulletShares 2027 Corporate Bond ETF15M $as of May 31, 2026
Fidelity U.S. Bond Index Fund15M $as of May 31, 2026
Schwab 5-10 Year Corporate Bond ETF24.8M $as of Jun 30, 2026
Victory Income Fund24.7M $as of Jul 31, 2026
VANGUARD SHORT-TERM BOND INDEX FUND14.4M $as of Jun 30, 2026
VANGUARD SHORT-TERM CORPORATE BOND INDEX FUND23.8M $as of May 31, 2026
iShares iBonds Dec 2027 Term Corporate ETF13.5M $as of Jul 31, 2026
iShares iBonds Dec 2029 Term Corporate ETF13.5M $as of Jul 31, 2026
iShares Core Universal USD Bond ETF63.5M $as of Jul 31, 2026
State Street(R) SPDR(R) Portfolio Intermediate Term Corporate Bond ETF43.3M $as of Jun 30, 2026
Invesco BulletShares 2029 Corporate Bond ETF13.2M $as of May 31, 2026
VANGUARD LONG-TERM CORPORATE BOND INDEX FUND23.1M $as of May 31, 2026
State Street(R) SPDR(R) Portfolio Short Term Corporate Bond ETF13.1M $as of Jun 30, 2026
Cite this page

Titelia. "Fund shareholders of Packaging Corp of America". https://titelia.com/en/stocks/packaging-corp-of-america-US6951561090