Titelia

Fund shareholders of Rhythm Pharmaceuticals Inc

ISIN US76243J1051 · United States · LEI 529900JPNWXQ8DPLA551

Fund shareholders
328
Of which ETFs
50 278 other funds
Value held
≈ 3.1B $ 3.1B $ · 18.2M SEK · 65.4K €
Share of capital
43.1 % of 68.9M shares on Aug 1, 2026

328 funds hold this company. This table lists the 327 that declare it in a regulatory filing. 1 more fund publishes its holdings in its own report. The “Fund reports” tab lists it, with its weight.

FundSharesValueWeight in fundShare of capital
VANGUARD TOTAL STOCK MARKET INDEX FUND VANGUARD INDEX FUNDS 2,176,750241.7M $0.01 %3.16 %as of Jun 30, 2026 ↗
PRIMECAP Odyssey Aggressive Growth Fund PRIMECAP Odyssey Funds 1,967,269195.3M $2.64 %2.86 %as of Jul 31, 2026 ↗
SMALLCAP World Fund Inc SMALLCAP World Fund Inc 1,707,348189.6M $0.20 %2.48 %as of Jun 30, 2026 ↗
VANGUARD SMALL-CAP INDEX FUND VANGUARD INDEX FUNDS 1,572,293174.6M $0.09 %2.28 %as of Jun 30, 2026 ↗
iShares Russell 2000 ETF iShares Trust 1,416,703157.3M $0.19 %2.06 %as of Jun 30, 2026 ↗
State Street(R) SPDR(R) S&P(R) Biotech ETF SPDR SERIES TRUST 1,161,672129M $1.20 %1.69 %as of Jun 30, 2026 ↗
Federated Hermes Kaufmann Fund Federated Hermes Equity Funds 1,026,365101.9M $2.07 %1.49 %as of Jul 31, 2026 ↗
PRIMECAP Odyssey Growth Fund PRIMECAP Odyssey Funds 1,008,902100.1M $1.65 %1.47 %as of Jul 31, 2026 ↗
VANGUARD SMALL-CAP GROWTH INDEX FUND VANGUARD INDEX FUNDS 905,995100.6M $0.21 %1.32 %as of Jun 30, 2026 ↗
T. Rowe Price New Horizons Fund, Inc. T. ROWE PRICE NEW HORIZONS FUND, INC. 779,81586.6M $0.59 %1.13 %as of Jun 30, 2026 ↗
JPMorgan Mid Cap Growth Fund JPMorgan Trust II 747,73683M $0.63 %1.09 %as of Jun 30, 2026 ↗
VANGUARD EXTENDED MARKET INDEX FUND VANGUARD INDEX FUNDS 715,69279.5M $0.08 %1.04 %as of Jun 30, 2026 ↗
Federated Hermes Kaufmann Small Cap Fund Federated Hermes Equity Funds 610,00060.5M $2.13 %0.89 %as of Jul 31, 2026 ↗
Fidelity Small Cap Index Fund Fidelity Salem Street Trust 603,20959.9M $0.18 %0.88 %as of Jul 31, 2026 ↗
VANGUARD EXPLORER FUND VANGUARD EXPLORER FUND 559,74955.6M $0.25 %0.81 %as of Jul 31, 2026 ↗
Harbor Small Cap Growth Fund HARBOR FUNDS 512,02050.8M $1.91 %0.74 %as of Jul 31, 2026 ↗
iShares Russell 2000 Growth ETF iShares Trust 509,50456.6M $0.37 %0.74 %as of Jun 30, 2026 ↗
BlackRock Health Sciences Opportunities Portfolio BlackRock Funds 471,27641.6M $0.70 %0.68 %as of May 29, 2026 ↗
iShares Biotechnology ETF iShares Trust 470,31052.2M $0.57 %0.68 %as of Jun 30, 2026 ↗
T. Rowe Price Integrated U.S. Small-Cap Growth Equity Fund T. ROWE PRICE INTEGRATED EQUITY FUNDS, INC. 466,07351.7M $0.53 %0.68 %as of Jun 30, 2026 ↗
JPMorgan Growth Advantage Fund J.P. Morgan Mutual Fund Investment Trust 456,13250.6M $0.23 %0.66 %as of Jun 30, 2026 ↗
Invesco Discovery Fund AIM Counselor Series Trust (Invesco Counselor Series Trust) 356,86931.5M $0.40 %0.52 %as of May 31, 2026 ↗
Fidelity Small Cap Growth Fund Fidelity Securities Fund 348,24834.6M $0.39 %0.51 %as of Jul 31, 2026 ↗
Fidelity Extended Market Index Fund Fidelity Concord Street Trust 311,20127.5M $0.06 %0.45 %as of May 31, 2026 ↗
Schwab U.S. Small-Cap ETF SCHWAB STRATEGIC TRUST 292,43525.8M $0.11 %0.42 %as of May 31, 2026 ↗
JPMorgan Small Cap Growth Fund JPMorgan Trust II 282,24231.3M $1.20 %0.41 %as of Jun 30, 2026 ↗
VANGUARD RUSSELL 2000 INDEX FUND VANGUARD SCOTTSDALE FUNDS 271,90524M $0.14 %0.39 %as of May 31, 2026 ↗
Putnam Small Cap Growth Fund Putnam Funds Trust 271,27930.1M $0.89 %0.39 %as of Jun 30, 2026 ↗
ClearBridge Small Cap Growth Fund Legg Mason Partners Investment Trust 244,69324.3M $1.27 %0.36 %as of Jul 31, 2026 ↗
T. Rowe Price Health Sciences Fund, Inc. T. ROWE PRICE HEALTH SCIENCES FUND, INC. 241,65826.8M $0.22 %0.35 %as of Jun 30, 2026 ↗
Loomis Sayles Small Cap Growth Fund LOOMIS SAYLES FUNDS II 234,82726.1M $1.15 %0.34 %as of Jun 30, 2026 ↗
AB Small Cap Growth Portfolio AB CAP FUND, INC. 232,22125.8M $0.82 %0.34 %as of Jun 30, 2026 ↗
JNL/JPMorgan MidCap Growth Fund JNL Series Trust 204,28222.7M $0.64 %0.30 %as of Jun 30, 2026 ↗
AB DISCOVERY GROWTH FUND, INC. AB DISCOVERY GROWTH FUND, INC. 178,88119.9M $0.68 %0.26 %as of Jun 30, 2026 ↗
Fidelity Small Cap Growth K6 Fund Fidelity Securities Fund 177,41217.6M $0.38 %0.26 %as of Jul 31, 2026 ↗
VANGUARD HEALTH CARE INDEX FUND VANGUARD WORLD FUND 170,21815M $0.08 %0.25 %as of May 31, 2026 ↗
Janus Henderson Global Life Sciences Fund Janus Investment Fund 158,12317.6M $0.30 %0.23 %as of Jun 30, 2026 ↗
Schwab Small-Cap Index Fund SCHWAB CAPITAL TRUST 134,13613.3M $0.18 %0.19 %as of Jul 31, 2026 ↗
Bridge Builder Tax Managed Small/Mid Cap Fund Bridge Builder Trust 131,64414.6M $0.41 %0.19 %as of Jun 30, 2026 ↗
Voya Small Cap Growth Fund Voya Equity Trust 127,93111.3M $0.53 %0.19 %as of May 31, 2026 ↗
Columbia Acorn Fund COLUMBIA ACORN TRUST 124,82413.9M $0.50 %0.18 %as of Jun 30, 2026 ↗
Fidelity Total Market Index Fund Fidelity Concord Street Trust 114,61410.1M $0.01 %0.17 %as of May 31, 2026 ↗
Artisan Small Cap Fund Artisan Partners Funds Inc. 111,78212.4M $1.30 %0.16 %as of Jun 30, 2026 ↗
Fidelity Enhanced Small Cap Core ETF Fidelity Covington Trust 106,94911.9M $0.21 %0.16 %as of Jun 30, 2026 ↗
JPMorgan Mid Cap Equity Fund JPMorgan Trust I 106,65011.8M $0.19 %0.15 %as of Jun 30, 2026 ↗
JPMorgan Active Growth ETF J.P. Morgan Exchange-Traded Fund Trust 101,80911.3M $0.11 %0.15 %as of Jun 30, 2026 ↗
Master Small Cap Index Series Quantitative Master Series LLC 101,75811.3M $0.19 %0.15 %as of Jun 30, 2026 ↗
Select Biotechnology Portfolio Fidelity Select Portfolios 99,8038.8M $0.17 %0.14 %as of May 31, 2026 ↗
Columbia Small Cap Growth Fund COLUMBIA FUNDS SERIES TRUST I 98,8418.7M $0.24 %0.14 %as of May 31, 2026 ↗
Fidelity Series Total Market Index Fund Fidelity Concord Street Trust 93,2128.2M $0.01 %0.14 %as of May 31, 2026 ↗
JPMorgan Small Cap Blend Fund JPMorgan Trust I 89,71110M $0.59 %0.13 %as of Jun 30, 2026 ↗
EQ/AB Small Cap Growth Portfolio EQ Advisors Trust 87,9679.8M $0.43 %0.13 %as of Jun 30, 2026 ↗
iShares Core S&P Total U.S. Stock Market ETF iShares Trust 83,3389.3M $0.01 %0.12 %as of Jun 30, 2026 ↗
JNL Multi-Manager Small Cap Growth Fund JNL Series Trust 80,0848.9M $0.35 %0.12 %as of Jun 30, 2026 ↗
College Retirement Equities Fund - Total Global Stock Account College Retirement Equities Fund 77,2608.6M $0.01 %0.11 %as of Jun 30, 2026 ↗
Putnam Global Health Care Fund Putnam Global Health Care Fund 76,9006.8M $0.46 %0.11 %as of May 31, 2026 ↗
Goldman Sachs Small/Mid Cap Growth Fund Goldman Sachs Trust 73,8456.5M $0.52 %0.11 %as of May 31, 2026 ↗
Nuveen Small Cap Blend Index Fund TIAA-CREF Funds 72,0047.1M $0.18 %0.10 %as of Jul 31, 2026 ↗
SmallCap Growth Fund I Principal Funds, Inc 71,6627.1M $0.29 %0.10 %as of Jul 31, 2026 ↗
Mercer US Small/Mid Cap Equity Fund Mercer Funds 64,4187.2M $0.38 %0.09 %as of Jun 30, 2026 ↗
Mid Cap Growth Stock Portfolio NORTHWESTERN MUTUAL SERIES FUND INC 63,4237M $0.63 %0.09 %as of Jun 30, 2026 ↗
Small Cap Dynamic Growth Fund John Hancock Funds II 61,1505.4M $1.03 %0.09 %as of May 31, 2026 ↗
EQ/2000 Managed Volatility Portfolio EQ Advisors Trust 59,9136.7M $0.17 %0.09 %as of Jun 30, 2026 ↗
Invesco Health Care Fund AIM Investment Funds (Invesco Investment Funds) 57,0085.7M $0.47 %0.08 %as of Jul 31, 2026 ↗
BlackRock Advantage Small Cap Core Fund BlackRock Funds 56,6245M $0.10 %0.08 %as of May 29, 2026 ↗
Fidelity Series Small Cap Core Fund Fidelity Concord Street Trust 52,8005.2M $0.33 %0.08 %as of Jul 31, 2026 ↗
T.Rowe Price Small Cap Growth Portfolio Brighthouse Funds Trust II 51,8005.8M $0.51 %0.08 %as of Jun 30, 2026 ↗
Fidelity Small Cap Growth Index Fund Fidelity Salem Street Trust 51,7215.7M $0.37 %0.08 %as of Jun 30, 2026 ↗
BNY Mellon Small/Mid Cap Growth Fund BNY Mellon Investment Funds I 51,3275.7M $0.66 %0.07 %as of Jun 30, 2026 ↗
ClearBridge Variable Small Cap Growth Portfolio Legg Mason Partners Variable Equity Trust 50,1005.6M $1.21 %0.07 %as of Jun 30, 2026 ↗
VANGUARD RUSSELL 2000 GROWTH INDEX FUND VANGUARD SCOTTSDALE FUNDS 49,6104.4M $0.26 %0.07 %as of May 31, 2026 ↗
iShares U.S. Small-Cap Equity Factor ETF iShares Trust 48,9834.9M $0.12 %0.07 %as of Jul 31, 2026 ↗
T. Rowe Price Diversified Mid-Cap Growth Fund, Inc. T. ROWE PRICE DIVERSIFIED MID-CAP GROWTH FUND, INC. 47,4005.3M $0.11 %0.07 %as of Jun 30, 2026 ↗
Small Cap Growth Stock Portfolio NORTHWESTERN MUTUAL SERIES FUND INC 47,1335.2M $0.58 %0.07 %as of Jun 30, 2026 ↗
Bridge Builder Small/Mid Cap Growth Fund Bridge Builder Trust 47,0805.2M $0.05 %0.07 %as of Jun 30, 2026 ↗
T. Rowe Price Small-Mid Cap ETF T. Rowe Price Exchange-Traded Funds, Inc. 46,9605.2M $0.19 %0.07 %as of Jun 30, 2026 ↗
Federated Hermes MDT Small Cap Core Fund Federated Hermes MDT Series 45,7874.5M $0.20 %0.07 %as of Jul 31, 2026 ↗
SMALLCAP World Fund AMERICAN FUNDS INSURANCE SERIES 45,7185.1M $0.20 %0.07 %as of Jun 30, 2026 ↗
Small Cap Core Portfolio Bernstein Fund Inc 45,4075M $0.59 %0.07 %as of Jun 30, 2026 ↗
Federated Hermes MDT Small Cap Growth Fund Federated Hermes MDT Series 45,3584.5M $0.54 %0.07 %as of Jul 31, 2026 ↗
Nuveen Equity Index Fund TIAA-CREF Funds 45,1254.5M $0.01 %0.07 %as of Jul 31, 2026 ↗
ClearBridge Small Cap Fund Legg Mason Global Asset Management Trust 43,5004.3M $0.61 %0.06 %as of Jul 31, 2026 ↗
VANGUARD TOTAL WORLD STOCK INDEX FUND VANGUARD INTERNATIONAL EQUITY INDEX FUNDS 43,2804.3M $0.00 %0.06 %as of Jul 31, 2026 ↗
JNL/T. Rowe Price Mid-Cap Growth Fund JNL Series Trust 42,6284.7M $0.11 %0.06 %as of Jun 30, 2026 ↗
Neuberger Small Cap Growth Fund NEUBERGER BERMAN EQUITY FUNDS 42,3233.7M $0.54 %0.06 %as of May 31, 2026 ↗
Fidelity Nasdaq Composite Index Fund Fidelity Concord Street Trust 41,4713.7M $0.01 %0.06 %as of May 31, 2026 ↗
Direxion Daily S&P Biotech Bull 3X Shares Direxion Shares ETF Trust 39,3703.9M $0.79 %0.06 %as of Jul 31, 2026 ↗
Schwab Total Stock Market Index Fund SCHWAB CAPITAL TRUST 39,3053.9M $0.01 %0.06 %as of Jul 31, 2026 ↗
SA JPMorgan Mid-Cap Growth Portfolio SUNAMERICA SERIES TRUST 39,1953.9M $0.61 %0.06 %as of Jul 31, 2026 ↗
Multi-Manager Small Cap Equity Strategies Fund COLUMBIA FUNDS SERIES TRUST I 38,4533.4M $0.26 %0.06 %as of May 31, 2026 ↗
LVIP State Street Small-Cap Index Fund LINCOLN VARIABLE INSURANCE PRODUCTS TRUST 38,1004.2M $0.19 %0.06 %as of Jun 30, 2026 ↗
SMALL COMPANY GROWTH PORTFOLIO VANGUARD VARIABLE INSURANCE FUNDS 37,6614.2M $0.25 %0.05 %as of Jun 30, 2026 ↗
Loomis Sayles Small Cap Growth Portfolio Brighthouse Funds Trust II 37,2184.1M $1.17 %0.05 %as of Jun 30, 2026 ↗
VANGUARD BALANCED INDEX FUND VANGUARD VALLEY FORGE FUNDS 37,0254.1M $0.01 %0.05 %as of Jun 30, 2026 ↗
Schwab U.S. Broad Market ETF SCHWAB STRATEGIC TRUST 35,5723.1M $0.01 %0.05 %as of May 31, 2026 ↗
Tax-Managed U.S. Mid & Small Cap Fund RUSSELL INVESTMENT CO 35,4743.5M $0.17 %0.05 %as of Jul 31, 2026 ↗
HARTFORD SMALL CAP GROWTH HLS FUND HARTFORD SERIES FUND INC 34,8033.9M $0.58 %0.05 %as of Jun 30, 2026 ↗
Small-Cap Growth Portfolio PACIFIC SELECT FUND 34,1023.8M $0.64 %0.05 %as of Jun 30, 2026 ↗
Fidelity ZERO Total Market Index Fund Fidelity Concord Street Trust 33,8343.4M $0.01 %0.05 %as of Jul 31, 2026 ↗
Transamerica T. Rowe Price Small Cap VP TRANSAMERICA SERIES TRUST 33,0933.7M $0.51 %0.05 %as of Jun 30, 2026 ↗

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Funds that publish their own holdings

FundWeight in fund
Pictet - Biotech Pictet Asset Management (Europe) S.A. 2.35 %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
Harbor Health Care ETF Harbor ETF Trust 4.02 %as of Jul 31, 2026 ↗
PRIMECAP Odyssey Aggressive Growth Fund PRIMECAP Odyssey Funds 2.64 %as of Jul 31, 2026 ↗
Pictet - Biotech Pictet Asset Management (Europe) S.A. 2.35 %as of Sep 30, 2025 ↗
AlphaCentric Life Sciences and Healthcare Fund MUTUAL FUND SERIES TRUST 2.25 %as of Jun 30, 2026 ↗
Federated Hermes Kaufmann Fund II Federated Hermes Insurance Series 2.18 %as of Jun 30, 2026 ↗
Federated Hermes Kaufmann Small Cap Fund Federated Hermes Equity Funds 2.13 %as of Jul 31, 2026 ↗
Federated Hermes Kaufmann Fund Federated Hermes Equity Funds 2.07 %as of Jul 31, 2026 ↗
Harbor Small Cap Growth Fund HARBOR FUNDS 1.91 %as of Jul 31, 2026 ↗
A&P LIFESCIENCE FUND, FI WELZIA MANAGEMENT, SGIIC, S.A. 1.78 %as of Dec 31, 2025 ↗
PRIMECAP Odyssey Growth Fund PRIMECAP Odyssey Funds 1.65 %as of Jul 31, 2026 ↗

Quarter after quarter

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

QuarterShareholdersChangeSharesChange
2026Q3324+1229,653,595+9.8 %
2026Q2312-827,005,722-0.8 %
2026Q1320+2127,219,676+6.4 %
2025Q4299+4625,593,008+10.8 %
2025Q3253+1723,094,406+3.7 %
2025Q2236+3322,276,688+5.5 %
2025Q1203+2021,124,445+2.2 %
2024Q4183+520,660,389+3.1 %
2024Q3178+620,045,901-6.2 %
2024Q2172+1121,362,968-2.5 %
2024Q1161+1221,919,153+0.9 %
2023Q414921,715,976

Institutional managers

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

ManagerSharesValue
RA CAPITAL MANAGEMENT, L.P.6,666,837579.8M $as of Mar 31, 2026
BlackRock, Inc.6,237,151542.4M $as of Mar 31, 2026
BAKER BROS. ADVISORS LP5,604,483487.4M $as of Mar 31, 2026
PRIMECAP MANAGEMENT CO/CA/3,417,509297.2M $as of Mar 31, 2026
PERCEPTIVE ADVISORS LLC2,373,795206.4M $as of Mar 31, 2026
STATE STREET CORP2,271,851197.6M $as of Mar 31, 2026
GOLDMAN SACHS GROUP INC1,965,432170.9M $as of Mar 31, 2026
WESTFIELD CAPITAL MANAGEMENT CO LP1,929,123167.8M $as of Mar 31, 2026
FMR LLC1,689,671147M $as of Mar 31, 2026
PRICE T ROWE ASSOCIATES INC /MD/1,654,876143.9K $as of Mar 31, 2026
Polar Capital Holdings Plc1,615,586140.5M $as of Mar 31, 2026
JPMORGAN CHASE & CO1,553,644120M $as of Mar 31, 2026
CITADEL ADVISORS LLC1,418,619123.4M $as of Mar 31, 2026
GEODE CAPITAL MANAGEMENT, LLC1,416,269123.2M $as of Mar 31, 2026
FEDERATED HERMES, INC.1,286,303111.9M $as of Mar 31, 2026
Checkpoint Capital L.P.1,227,200106.7M $as of Mar 31, 2026
Capital Research Global Investors1,115,46097M $as of Mar 31, 2026
JANUS HENDERSON GROUP PLC918,15379.9M $as of Mar 31, 2026
ALLIANCEBERNSTEIN L.P.910,41397.5M $as of Mar 31, 2026
Point72 Asset Management, L.P.846,80173.6M $as of Mar 31, 2026
Woodline Partners LP758,89166M $as of Mar 31, 2026
ADAGE CAPITAL PARTNERS GP, L.L.C.725,74463.1M $as of Mar 31, 2026
Siren, L.L.C.725,51163.1M $as of Mar 31, 2026
MORGAN STANLEY703,97861.2M $as of Mar 31, 2026
Rock Springs Capital Management LP689,74860M $as of Mar 31, 2026
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Titelia. "Fund shareholders of Rhythm Pharmaceuticals Inc". https://titelia.com/en/stocks/rhythm-pharmaceuticals-inc-US76243J1051