Titelia

Fund shareholders of Spero Therapeutics Inc

ISIN US84833T1034 · United States · LEI 54930074G13LHWJT2323

Fund shareholders
18
Of which ETFs
4 14 other funds
Value held
5.6M $
Share of capital
4.2 % of 58.2M shares on Aug 7, 2026
FundSharesValueWeight in fundShare of capital
VANGUARD TOTAL STOCK MARKET INDEX FUND VANGUARD INDEX FUNDS 1,236,7762.9M $0.00 %2.12 %as of Mar 31, 2026 ↗
VANGUARD EXTENDED MARKET INDEX FUND VANGUARD INDEX FUNDS 516,1081.2M $0.00 %0.89 %as of Mar 31, 2026 ↗
Fidelity Extended Market Index Fund Fidelity Concord Street Trust 207,504450.3K $0.00 %0.36 %as of Feb 28, 2026 ↗
Fidelity Total Market Index Fund Fidelity Concord Street Trust 107,797233.9K $0.00 %0.19 %as of Feb 28, 2026 ↗
Ultra-Small Company Market Fund Bridgeway Funds, Inc. 64,800151.6K $0.12 %0.11 %as of Mar 31, 2026 ↗
Fidelity Series Total Market Index Fund Fidelity Concord Street Trust 61,168132.7K $0.00 %0.11 %as of Feb 28, 2026 ↗
Omni Small-Cap Value Fund Bridgeway Funds, Inc. 50,000117K $0.01 %0.09 %as of Mar 31, 2026 ↗
Schwab Total Stock Market Index Fund SCHWAB CAPITAL TRUST 28,56571.7K $0.00 %0.05 %as of Apr 30, 2026 ↗
Invesco NASDAQ Future Gen 200 ETF Invesco Exchange-Traded Fund Trust II 27,52959.7K $0.42 %0.05 %as of Feb 28, 2026 ↗
VANGUARD BALANCED INDEX FUND VANGUARD VALLEY FORGE FUNDS 24,17656.6K $0.00 %0.04 %as of Mar 31, 2026 ↗
VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND VANGUARD INSTITUTIONAL INDEX FUNDS 22,82053.4K $0.00 %0.04 %as of Mar 31, 2026 ↗
Fidelity Nasdaq Composite Index Fund Fidelity Concord Street Trust 19,47842.3K $0.00 %0.03 %as of Feb 28, 2026 ↗
Dimensional U.S. Small Cap ETF Dimensional ETF Trust 15,93440K $0.00 %0.03 %as of Apr 30, 2026 ↗
Invesco RAFI US 1500 Small-Mid ETF Invesco Exchange-Traded Fund Trust 12,69431.9K $0.00 %0.02 %as of Apr 30, 2026 ↗
Small Cap Core Fund Northern Funds 6,10614.3K $0.00 %0.01 %as of Mar 31, 2026 ↗
Blackstone Alternative Multi-Strategy Fund Blackstone Alternative Investment Funds 5,80013.6K $0.00 %0.01 %as of Mar 31, 2026 ↗
Dimensional U.S. Core Equity 2 ETF Dimensional ETF Trust 4,87412.2K $0.01 %as of Apr 30, 2026 ↗
Victory Extended Market Index Fund Victory Portfolios III 4,66411.7K $0.00 %0.01 %as of Apr 30, 2026 ↗

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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
Invesco NASDAQ Future Gen 200 ETF Invesco Exchange-Traded Fund Trust II 0.42 %as of Feb 28, 2026 ↗
Ultra-Small Company Market Fund Bridgeway Funds, Inc. 0.12 %as of Mar 31, 2026 ↗
Omni Small-Cap Value Fund Bridgeway Funds, Inc. 0.01 %as of Mar 31, 2026 ↗
Small Cap Core Fund Northern Funds 0.00 %as of Mar 31, 2026 ↗
VANGUARD EXTENDED MARKET INDEX FUND VANGUARD INDEX FUNDS 0.00 %as of Mar 31, 2026 ↗
Victory Extended Market Index Fund Victory Portfolios III 0.00 %as of Apr 30, 2026 ↗
Fidelity Extended Market Index Fund Fidelity Concord Street Trust 0.00 %as of Feb 28, 2026 ↗
Invesco RAFI US 1500 Small-Mid ETF Invesco Exchange-Traded Fund Trust 0.00 %as of Apr 30, 2026 ↗
Blackstone Alternative Multi-Strategy Fund Blackstone Alternative Investment Funds 0.00 %as of Mar 31, 2026 ↗
Dimensional U.S. Small Cap ETF Dimensional ETF Trust 0.00 %as of Apr 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
2026Q218+12,416,793-0.7 %
2026Q117-12,433,016+2.6 %
2025Q418+42,371,809-7.9 %
2025Q314+22,575,094+5.5 %
2025Q212-22,440,268-2.1 %
2025Q11402,491,949-0.1 %
2024Q414-22,493,774+0.7 %
2024Q316-12,476,631+4.7 %
2024Q217+12,364,751+5.3 %
2024Q116-12,245,374+2.5 %
2023Q4172,191,534

Institutional managers

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

ManagerSharesValue
GSK plc9,190,60621.5M $as of Mar 31, 2026
Pfizer Inc2,362,3485.5M $as of Mar 31, 2026
RENAISSANCE TECHNOLOGIES LLC1,189,2352.8M $as of Mar 31, 2026
Alphabet Inc.889,9792.1M $as of Mar 31, 2026
TWO SIGMA INVESTMENTS, LP885,6312.1M $as of Mar 31, 2026
GEODE CAPITAL MANAGEMENT, LLC519,9221.2M $as of Mar 31, 2026
BlackRock, Inc.433,2021M $as of Mar 31, 2026
Anson Funds Management LP421,956987.4K $as of Mar 31, 2026
CITADEL ADVISORS LLC376,458880.9K $as of Mar 31, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP333,115779.5K $as of Mar 31, 2026
GSA CAPITAL PARTNERS LLP278,304651 $as of Mar 31, 2026
STATE STREET CORP214,751502.5K $as of Mar 31, 2026
Ionic Capital Management LLC195,939458.5K $as of Mar 31, 2026
Squarepoint Ops LLC194,301454.7K $as of Mar 31, 2026
MARSHALL WACE, LLP157,072367.5K $as of Mar 31, 2026
NORTHERN TRUST CORP120,984283.1K $as of Mar 31, 2026
BRIDGEWAY CAPITAL MANAGEMENT, LLC114,800268.6K $as of Mar 31, 2026
JANE STREET GROUP, LLC106,345248.8K $as of Mar 31, 2026
Shay Capital LLC70,354164.6K $as of Mar 31, 2026
Point72 Asset Management, L.P.59,668139.6K $as of Mar 31, 2026
Invesco Ltd.45,374106.2K $as of Mar 31, 2026
Quadrature Capital Ltd40,12893.9K $as of Mar 31, 2026
OMERS ADMINISTRATION Corp39,40092.2K $as of Mar 31, 2026
Verdad Advisers, LP33,45578.3K $as of Mar 31, 2026
Capital Asset Advisory Services LLC32,54892.4K $as of Mar 31, 2026
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Titelia. "Fund shareholders of Spero Therapeutics Inc". https://titelia.com/en/stocks/spero-therapeutics-inc-US84833T1034