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Seres Therapeutics (MCRB) Institutional Ownership

Seres Therapeutics logo
$4.56 -0.01 (-0.22%)
As of 08/21/2026 04:00 PM Eastern
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Institutional Ownership Changes (13F Filings) for Seres Therapeutics (NASDAQ:MCRB)

Current
Institutional Ownership
Percentage
59.34%
Number of
Institutional Buyers
(last 12 months)
12
Total
Institutional Inflows
(last 12 months)
$3.08M
Number of
Institutional Sellers
(last 12 months)
1
Total
Institutional Outflows
(last 12 months)
$80.69K
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MCRB Institutional Buying and Selling by Quarter

Seres Therapeutics Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
2/19/2026 Invesco Ltd.14,360$214K0.0%+37.5%0.159%
2/18/2026 683 Capital Management LLC52,314$778K0.0%N/A0.578%
2/17/2026 ExodusPoint Capital Management LP12,737$190K0.0%N/A0.141%
2/16/2026 OMERS ADMINISTRATION Corp14,400$214K0.0%N/A0.159%
2/16/2026 Barclays PLC7,432$111K0.0%+427.8%0.082%
2/13/2026 Marshall Wace LLP120,177$1.79M0.0%-4.3%1.328%
2/13/2026 State Street Corp33,901$504K0.0%+14.0%0.375%
2/13/2026 Vontobel Holding Ltd.103,234$1.54M0.0%+4.8%1.141%
2/10/2026 Goldman Sachs Group Inc.14,340$213K0.0%N/A0.158%
2/9/2026 Geode Capital Management LLC86,142$1.28M0.0%+1.4%0.952%
11/17/2025 Bank of America Corp DE5,343$103K0.0%+2,772.6%0.059%
11/14/2025 Schonfeld Strategic Advisors LLC28,942$557K0.0%N/A0.320%
11/7/2025Vanguard Group Inc.311,889$6.00M0.0%+6.8%3.564%
10/15/2025 Vontobel Holding Ltd.98,511$1.90M0.0%+22.6%1.126%
8/15/2025 Bridgeway Capital Management LLC12,500$139K0.0%-95.0%0.143%
8/13/2025 Marshall Wace LLP91,405$1.02M0.0%N/A1.045%
8/12/2025 XTX Topco Ltd22,417$249K0.0%N/A0.256%
8/8/2025 Geode Capital Management LLC91,602$1.02M0.0%-94.3%1.049%
8/8/2025 SBI Securities Co. Ltd.3,482$39K0.0%-95.0%0.040%
7/23/2025 Vontobel Holding Ltd.80,325$892K0.0%-92.6%0.920%
6/27/2025 Goldman Sachs Group Inc.74,629$52K0.0%+40.9%0.855%
5/16/2025Goldman Sachs Group Inc.74,629$52K0.0%+40.9%0.855%
5/12/2025Invesco Ltd.136,572$96K0.0%+193.2%1.564%
5/9/2025Charles Schwab Investment Management Inc.834,107$584K0.0%-3.7%9.568%
5/2/2025SBI Securities Co. Ltd.69,664$49K0.0%+221.8%0.799%
4/28/2025Vontobel Holding Ltd.1,085,966$760K0.0%+15.7%12.457%
2/17/2025Millennium Management LLC1,810,719$1.51M0.0%+77.2%1.061%
2/17/2025Cantor Fitzgerald L. P.95,740$80K0.0%-65.9%0.056%
2/14/2025Jane Street Group LLC58,736$49K0.0%+181.4%0.034%
2/14/2025Schonfeld Strategic Advisors LLC100,700$84K0.0%-76.8%0.059%
2/14/2025Northern Trust Corp262,683$218K0.0%+20.4%0.154%
2/12/2025Geode Capital Management LLC1,510,432$1.26M0.0%+8.8%0.885%
2/11/2025LPL Financial LLC94,787$79K0.0%-22.4%0.056%
2/10/2025Avantax Advisory Services Inc.45,179$38K0.0%+170.9%0.026%
2/6/2025Charles Schwab Investment Management Inc.865,825$720K0.0%+15.6%0.507%
1/30/2025Vontobel Holding Ltd.938,295$780K0.0%+137.6%0.550%
1/17/2025Janney Montgomery Scott LLC48,500$40K0.0%-29.8%0.028%
11/20/2024Virtu Financial LLC58,791$56K0.0%+44.8%0.034%
11/16/2024Geode Capital Management LLC1,388,639$1.31M0.0%+22.5%0.816%
11/15/2024State Street Corp383,248$363K0.0%+12.9%0.225%
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11/15/2024Point72 Asia Singapore Pte. Ltd.44,972$43K0.0%-64.8%0.026%
11/14/2024Providence Wealth Advisors LLC98,500$93K0.1%+29.2%0.058%
11/13/2024FMR LLC22,857,260$21.63M0.0%+0.6%13.430%
11/12/2024Charles Schwab Investment Management Inc.748,718$708K0.0%+42.4%0.440%
10/16/2024Vontobel Holding Ltd.394,826$374K0.0%N/A0.261%
9/16/2024Point72 DIFC Ltd87,754$64K0.0%N/A0.058%
9/16/2024Point72 Asia Singapore Pte. Ltd.127,634$92K0.0%N/A0.084%
8/15/2024Point72 Asia Singapore Pte. Ltd.127,634$92K0.0%N/A0.084%
8/14/2024Point72 DIFC Ltd87,754$64K0.0%N/A0.058%
8/9/2024Providence Wealth Advisors LLC76,250$58K0.0%+49.5%0.050%
8/1/2024Rhumbline Advisers55,112$40K0.0%-61.0%0.036%
5/20/2024Virtu Financial LLC94,510$73K0.0%N/A0.062%
5/15/2024Price T Rowe Associates Inc. MD298,111$232K0.0%-18.0%0.197%
5/10/2024Vanguard Group Inc.6,734,821$5.21M0.0%+12.1%4.460%
5/1/2024BNP Paribas Financial Markets46,549$36K0.0%-19.8%0.031%
5/1/2024Mirae Asset Global Investments Co. Ltd.50,102$39K0.0%N/A0.033%
2/14/2024Pennant Investors LP292,300$409K0.1%N/A0.226%
2/13/2024Tower Research Capital LLC TRC38,091$53K0.0%+668.6%0.029%
2/1/2024Handelsbanken Fonder AB1,100,000$1.54M0.0%+10.0%0.851%
1/24/2024Clear Creek Financial Management LLC26,950$38K0.0%-47.6%0.021%
1/12/2024SG Americas Securities LLC52,080$73K0.0%N/A0.040%
12/7/2023Hudson Bay Capital Management LP1,999,800$4.76M0.0%+127.3%1.547%
11/22/2023Graham Capital Management L.P.206,838$492K0.0%+731.3%0.160%
11/14/2023Corton Capital Inc.23,245$55K0.0%-64.7%0.018%
11/14/2023Profund Advisors LLC155,798$371K0.0%+11.9%0.121%
11/13/2023Federated Hermes Inc.8,981,717$21.38M0.1%-21.2%6.949%
11/13/2023Dark Forest Capital Management LP117,498$280K0.0%N/A0.091%
11/13/2023Aigen Investment Management LP75,241$179K0.0%+577.1%0.058%
11/13/2023FMR LLC19,230,692$45.77M0.0%+0.2%14.878%
11/13/2023Rafferty Asset Management LLC936,382$2.23M0.0%+21.1%0.724%
11/7/2023Quantbot Technologies LP50,400$120K0.0%N/A0.039%
11/7/2023Barclays PLC461,209$1.10M0.0%+24.3%0.360%
10/30/2023Arete Wealth Advisors LLC24,900$59K0.0%+99.2%0.019%
10/23/2023Commonwealth Equity Services LLC11,040$26K0.0%N/A0.009%
10/19/2023Simplicity Solutions LLC11,294$27K0.0%N/A0.009%
10/11/2023Vontobel Holding Ltd.17,000$40K0.0%-52.6%0.013%
8/14/2023Great Point Partners LLC938,067$4.49M0.9%N/A0.732%
8/14/2023UniSuper Management Pty Ltd415,292$1.99M0.0%N/A0.324%
8/14/2023Parallax Volatility Advisers L.P.134,901$646K0.0%N/A0.105%
8/14/2023Graham Capital Management L.P.24,881$119K0.0%N/A0.019%
8/11/2023Natixis99,000$474K0.0%N/A0.077%
8/11/2023E Fund Management Co. Ltd.41,581$199K0.0%+206.1%0.032%
8/11/2023ExodusPoint Capital Management LP594,895$2.85M0.0%N/A0.464%
8/10/2023Profund Advisors LLC139,249$667K0.0%+210.4%0.109%
8/9/2023BNP Paribas Arbitrage SNC154,663$741K0.0%+61.9%0.121%
8/7/2023Principal Financial Group Inc.45,205$217K0.0%+21.5%0.035%
8/4/2023American International Group Inc.46,820$224K0.0%+37.7%0.037%
8/3/2023Jennison Associates LLC1,392,356$6.67M0.0%+109.5%1.089%
8/2/2023Handelsbanken Fonder AB1,000,000$4.79M0.0%+25.0%0.782%
7/31/2023LPL Financial LLC115,058$551K0.0%+20.3%0.090%
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7/31/2023Alpha DNA Investment Management LLC138,536$664K0.2%N/A0.108%
7/28/2023Mach 1 Financial Group LLC94,961$455K0.1%N/A0.074%
7/26/2023Janney Montgomery Scott LLC90,285$432K0.0%-11.7%0.071%
7/25/2023Raymond James & Associates10,052$48K0.0%N/A0.008%
7/24/2023Vontobel Holding Ltd.35,865$172K0.0%+74.6%0.028%
7/21/2023Creative Planning17,304$83K0.0%N/A0.014%
7/19/2023Teacher Retirement System of Texas27,360$131K0.0%-10.9%0.021%
7/18/2023Diversified Trust Co10,000$48K0.0%N/A0.008%
7/17/2023Clear Creek Financial Management LLC54,200$260K0.0%N/A0.042%
7/14/2023Aries Wealth Management18,000$86K0.0%+50.0%0.014%


MCRB Institutional Ownership - Frequently Asked Questions

During the previous two years, 29 institutional investors and hedge funds held shares of Seres Therapeutics. The most heavily invested institutionals were FMR LLC ($21.63M), Vanguard Group Inc. ($6.00M), Marshall Wace LLP ($1.79M), Vontobel Holding Ltd. ($1.54M), Millennium Management LLC ($1.51M), Geode Capital Management LLC ($1.28M), and 683 Capital Management LLC ($778K).Learn more on Seres Therapeutics' institutional investors.

59.34% of Seres Therapeutics' stock is owned by institutional investors. Learn more on MCRB's institutional investor holdings.

Of the 25 institutional investors that purchased Seres Therapeutics' stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Vontobel Holding Ltd. ($1.11M), Millennium Management LLC ($788.76K), Geode Capital Management LLC ($377.97K), Charles Schwab Investment Management Inc. ($339.88K), FMR LLC ($140.10K), Point72 Asia Singapore Pte. Ltd. ($127.63K), and Invesco Ltd. ($93.91K).

Institutional investors have bought a total of 185,864 shares in the last 24 months. This purchase volume represents approximately $3.08M in transactions.

The following institutional investors have sold Seres Therapeutics stock in the last 24 months: Marshall Wace LLP ($5.42K).

Institutional investors have sold a total of 5,423 shares in the last 24 months. This volume of shares sold represents approximately $80.69K in transactions.


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Institutional ownership data for NASDAQ:MCRB is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 2/19/2026. New 13F filings are added each quarter as they're published.
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