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Seres Therapeutics, Inc.

MCRB
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001609809

In the last 90 days, Seres Therapeutics, Inc. insiders filed 0 open-market purchases and 4 sales; 35 institutions reported holding it in 13F filings for Q2 2026, worth $17.9M in total; no superinvestor holds it.

13F holders, Q3 2024

Institutional positions in Seres Therapeutics, Inc. as of Sep 30, 2024. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
77
−15 vs. Q2 2024
Shares held
63.5M
−3.87M (−5.7%) vs. Q2 2024
Total value
$60.1M
+$11.3M (+23.2%) vs. Q2 2024
New holders
10
16 more added
Sold out
25
27 more reduced

1 institution that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2024: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting MCRB on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ3 2024: 77 institutions
Q1 2021: 154 institutionsQ2 2021: 147 institutionsQ3 2021: 133 institutionsQ4 2021: 148 institutionsQ1 2022: 131 institutionsQ2 2022: 123 institutionsQ3 2022: 120 institutionsQ4 2022: 124 institutionsQ1 2023: 123 institutionsQ2 2023: 138 institutionsQ3 2023: 134 institutionsQ4 2023: 103 institutionsQ1 2024: 99 institutionsQ2 2024: 93 institutionsQ3 2024: 77 institutionsQ4 2024: 69 institutionsQ1 2025: 63 institutionsQ2 2025: 33 institutionsQ3 2025: 32 institutionsQ4 2025: 36 institutionsQ1 2026: 33 institutionsQ2 2026: 35 institutions
Value heldQ3 2024: $60.1M
Q1 2021: $1.85BQ2 2021: $1.93BQ3 2021: $555.1MQ4 2021: $642.8MQ1 2022: $537.2MQ2 2022: $312.7MQ3 2022: $671.6MQ4 2022: $588.2MQ1 2023: $593.9MQ2 2023: $538.1MQ3 2023: $255.6MQ4 2023: $125.4MQ1 2024: $66.3MQ2 2024: $50.0MQ3 2024: $60.1MQ4 2024: $52.5MQ1 2025: $43.1MQ2 2025: $25.4MQ3 2025: $40.9MQ4 2025: $36.4MQ1 2026: $20.5MQ2 2026: $17.9M
Institutions holding MCRB and their total value by quarter
QuarterHoldersValue
Q2 202635$17.9M
Q1 202633$20.5M
Q4 202536$36.4M
Q3 202532$40.9M
Q2 202533$25.4M
Q1 202563$43.1M
Q4 202469$52.5M
Q3 202477$60.1M
Q2 202493$50.0M
Q1 202499$66.3M
Q4 2023103$125.4M
Q3 2023134$255.6M
Q2 2023138$538.1M
Q1 2023123$593.9M
Q4 2022124$588.2M
Q3 2022120$671.6M
Q2 2022123$312.7M
Q1 2022131$537.2M
Q4 2021148$642.8M
Q3 2021133$555.1M
Q2 2021147$1.93B
Q1 2021154$1.85B

Institutions, Q3 2024

Shares, value and share of portfolio for each institution holding Seres Therapeutics, Inc.; share changes are against Q2 2024.

Institutions holding MCRB in Q3 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Flagship Pioneering Inc.23,117,045$21.9M3.70%00.0%Unchanged
FMR LLC22,857,260$21.6M0.00%+140,096+0.6%Added
Vanguard Group Inc6,060,528$5.73M0.00%−225,221−3.6%Reduced
BlackRock, Inc.1,762,157$1.67M0.00%+1,762,157New
Geode Capital Management, LLC1,388,639$1.31M0.00%+255,014+22.5%Added
Susquehanna International Group, LLP1,192,749$1.13M0.00%−234,951−16.5%Reduced
Millennium Management LLC1,021,957$966.9K0.00%−755,644−42.5%Reduced
Morgan Stanley802,325$759.1K0.00%+631,239+369.0%Added
Charles Schwab Investment Management Inc748,718$708.4K0.00%+222,771+42.4%Added
Schonfeld Strategic Advisors LLC433,900$410.5K0.00%+373,800+622.0%Added
Vontobel Holding Ltd.394,826$373.5K0.00%+394,826New
State Street Corp383,248$362.6K0.00%+43,700+12.9%Added
Lion Point Capital, LP340,761$322.4K1.29%00.0%Unchanged
Cantor Fitzgerald, L. P.280,565$265.4K0.02%+280,565New
Bridgeway Capital Management, LLC250,000$236.5K0.01%+250,000New
Citigroup Inc218,230$206.5K0.00%+204,785+1,523.1%Added
Northern Trust Corp218,222$206.5K0.00%−503,536−69.8%Reduced
Tang Capital Management LLC200,000$189.2K0.01%−2,207,112−91.7%Reduced
Group One Trading, L.P.193,518$183.1K0.01%+82,267+73.9%Added
LPL Financial LLC122,225$115.6K0.00%−18,400−13.1%Reduced
Bank of America Corp122,133$115.5K0.00%+17,092+16.3%Added
Engineers Gate Manager LP103,974$98.4K0.00%+14,012+15.6%Added
Marex Group plc100,000$94.6K0.00%+100,000New
Providence Wealth Advisors, LLC98,500$76.8K0.06%+22,250+29.2%Added
HighTower Advisors, LLC70,000$66.0K0.00%+15,000+27.3%Added
Janney Montgomery Scott LLC69,098$65.0K0.00%−6,000−8.0%Reduced
Price T Rowe Associates Inc67,392$64.0K0.00%−200,006−74.8%Reduced
Tudor Investment Corp Et Al61,977$58.6K0.00%00.0%Unchanged
Virtu Financial LLC58,791$56.0K0.00%+18,191+44.8%Added
Invesco Ltd.55,218$52.2K0.00%+15,959+40.7%Added
HarbourVest Partners LLC49,363$46.7K0.02%00.0%Unchanged
JustInvest LLC48,344$45.7K0.00%+21,822+82.3%Added
Ironwood Investment Management LLC45,617$43.2K0.02%+2,319+5.4%Added
Point72 Asia (Singapore) Pte. Ltd.44,972$42.5K0.01%−82,662−64.8%Reduced
Squarepoint Ops LLC44,747$42.3K0.00%+44,747New
Prudential Financial Inc43,470$41.1K0.00%−4,600−9.6%Reduced
Kestra Advisory Services, LLC39,971$37.8K0.00%−11,550−22.4%Reduced
UBS Group AG34,395$32.5K0.00%−166,331−82.9%Reduced
Bayesian Capital Management, LP31,000$29.3K0.00%+31,000New
Catalyst Funds Management Pty Ltd24,900$23.6K0.01%00.0%Unchanged
Wolverine Trading, LLC22,140$20.3K0.00%−2,960−11.8%Reduced
Arete Wealth Advisors, LLC21,000$20.0K0.00%−1,150−5.2%Reduced
Jane Street Group, LLC20,870$19.7K0.00%−686,203−97.0%Reduced
Stifel Financial Corp20,000$18.9K0.00%00.0%Unchanged
Russell Investments Group, Ltd.18,300$17.3K0.00%−3,698−16.8%Reduced
Clear Creek Financial Management, LLC18,200$17.2K0.00%−1,000−5.2%Reduced
Qube Research & Technologies Ltd17,490$16.5K0.00%+17,490New
Avantax Advisory Services, Inc.16,679$15.8K0.00%00.0%Unchanged
Victory Capital Management Inc15,306$14.5K0.00%−173−1.1%Reduced
Aries Wealth Management15,000$14.2K0.00%−2,000−11.8%Reduced
MML Investors Services, LLC14,889$14.0K0.00%00.0%Unchanged
Goldman Sachs Group Inc14,668$13.9K0.00%−652,283−97.8%Reduced
Auour Investments LLC17,000$13.1K0.00%00.0%Unchanged
Captrust Financial Advisors13,100$12.4K0.00%+13,100New
Commonwealth Equity Services, LLC11,098$11.0K0.00%−270−2.4%Reduced
Diversified Trust Co10,000$9.46K0.00%00.0%Unchanged
PFG Investments, LLC10,000$9.46K0.00%00.0%Unchanged
BNP Paribas Arbitrage, SA6,969$6.59K0.00%−62,326−89.9%Reduced
Simplex Trading, LLC2,624$2.00K0.00%−75,324−96.6%Reduced
Advisor Group Holdings, Inc.1,909$1.81K0.00%−4,871−71.8%Reduced
Barclays PLC1,595$1.51K0.00%−456−22.2%Reduced
JPMorgan Chase & Co1,304$1.23K0.00%00.0%Unchanged
TFC Financial Management1,000$9470.00%00.0%Unchanged
EverSource Wealth Advisors, LLC666$6300.00%00.0%Unchanged
The PNC Financial Services Group, Inc.636$6020.00%00.0%Unchanged
Allspring Global Investments Holdings, LLC611$5780.00%00.0%Unchanged
Continuum Advisory, LLC955$5650.00%00.0%Unchanged
Sandy Spring Bank345$3270.00%00.0%Unchanged
Nisa Investment Advisors, LLC308$2910.00%00.0%Unchanged
Larson Financial Group LLC235$2220.00%00.0%Unchanged
Farther Finance Advisors, LLC204$1930.00%00.0%Unchanged
Wells Fargo & Company200$1890.00%00.0%Unchanged
Sound Income Strategies, LLC175$1660.00%00.0%Unchanged
Whittier Trust Co30$280.00%00.0%Unchanged
Point72 (DIFC) Ltd17$170.00%−87,737−100.0%Reduced
Headlands Technologies LLC10$90.00%+10New
Royal Bank of Canada132$00.00%−4,567−97.2%Reduced
Hudson Bay Capital Management LP0$00.00%−1,004,978−100.0%Sold out
Eversept Partners, LP0$00.00%−418,208−100.0%Sold out
Verition Fund Management LLC0$00.00%−314,177−100.0%Sold out
Pennant Investors, LP0$00.00%−292,300−100.0%Sold out
Centiva Capital, LP0$00.00%−187,800−100.0%Sold out
Y-Intercept (Hong Kong) Ltd0$00.00%−123,590−100.0%Sold out
Paloma Partners Management Co0$00.00%−111,032−100.0%Sold out
HRT Financial LP0$00.00%−94,972−100.0%Sold out
Rhumbline Advisers0$00.00%−55,112−100.0%Sold out
Mirae Asset Global ETFs Holdings Ltd.0$00.00%−50,437−100.0%Sold out
Two Sigma Securities, LLC0$00.00%−42,438−100.0%Sold out
Evercore Wealth Management, LLC0$00.00%−25,000−100.0%Sold out
Tower Research Capital LLC (TRC)0$00.00%−24,960−100.0%Sold out
XTX Topco Ltd0$00.00%−22,132−100.0%Sold out
Balyasny Asset Management LLC0$00.00%−19,705−100.0%Sold out
HSBC Holdings PLC0$00.00%−18,679−100.0%Sold out
ProShare Advisors LLC0$00.00%−13,175−100.0%Sold out
Principal Financial Group Inc0$00.00%−10,718−100.0%Sold out
Jump Financial, LLC0$00.00%−10,236−100.0%Sold out
Macquarie Group Ltd0$00.00%−4,945−100.0%Sold out
New York State Common Retirement Fund0$00.00%−791−100.0%Sold out
Kelly Financial Services LLC0$00.00%−240−100.0%Sold out
Huntington National Bank0$00.00%−230−100.0%Sold out