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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, Q2 2024

Institutional positions in Seres Therapeutics, Inc. as of Jun 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
93
−6 vs. Q1 2024
Shares held
69.1M
−16.6M (−19.4%) vs. Q1 2024
Total value
$50.0M
−$16.3M (−24.6%) vs. Q1 2024
New holders
21
25 more added
Sold out
27
28 more reduced

Compare with Q1 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 holdersQ2 2024: 93 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 heldQ2 2024: $50.0M
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, Q2 2024

Shares, value and share of portfolio for each institution holding Seres Therapeutics, Inc.; share changes are against Q1 2024.

Institutions holding MCRB in Q2 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Flagship Pioneering Inc.23,117,045$16.7M1.98%00.0%Unchanged
FMR LLC22,717,164$16.4M0.00%+65,745+0.3%Added
Vanguard Group Inc6,285,749$4.55M0.00%−449,072−6.7%Reduced
Tang Capital Management LLC2,407,112$1.74M0.18%+1,500,000+165.4%Added
Millennium Management LLC1,777,601$1.29M0.00%+750,049+73.0%Added
BlackRock Inc.1,762,157$1.28M0.00%−5,063,242−74.2%Reduced
Susquehanna International Group, LLP1,427,700$1.03M0.00%+793,097+125.0%Added
Geode Capital Management, LLC1,133,625$820.7K0.00%−999,018−46.8%Reduced
Hudson Bay Capital Management LP1,004,978$727.4K0.01%−4,420,022−81.5%Reduced
Northern Trust Corp721,758$522.4K0.00%−62,935−8.0%Reduced
Jane Street Group, LLC707,073$511.8K0.00%+620,635+718.0%Added
Goldman Sachs Group Inc666,951$482.7K0.00%−397,186−37.3%Reduced
Charles Schwab Investment Management Inc525,947$380.7K0.00%−221,371−29.6%Reduced
Eversept Partners, LP418,208$302.7K0.02%−970,736−69.9%Reduced
Lion Point Capital, LP340,761$246.6K0.77%00.0%Unchanged
State Street Corp339,548$245.8K0.00%−1,606,815−82.6%Reduced
Verition Fund Management LLC314,177$227.4K0.00%+314,177New
Pennant Investors, LP292,300$211.6K0.06%00.0%Unchanged
Price T Rowe Associates Inc267,398$194.0K0.00%−30,713−10.3%Reduced
UBS Group AG200,726$145.3K0.00%+94,760+89.4%Added
Centiva Capital, LP187,800$135.9K0.01%+187,800New
Morgan Stanley171,086$123.8K0.00%−306,539−64.2%Reduced
LPL Financial LLC140,625$101.8K0.00%+10,850+8.4%Added
Point72 Asia (Singapore) Pte. Ltd.127,634$92.4K0.02%+127,634New
Y-Intercept (Hong Kong) Ltd123,590$89.5K0.00%+123,590New
Group One Trading, L.P.111,251$80.5K0.00%+52,475+89.3%Added
Paloma Partners Management Co111,032$80.4K0.01%+111,032New
Bank of America Corp105,041$75.9K0.00%−1,549,921−93.7%Reduced
HRT Financial LP94,972$68.0K0.00%+94,972New
Engineers Gate Manager LP89,962$65.1K0.00%+77,311+611.1%Added
Point72 (DIFC) Ltd87,754$63.5K0.01%+87,754New
Providence Wealth Advisors, LLC76,250$58.0K0.05%+25,250+49.5%Added
Simplex Trading, LLC77,948$56.0K0.00%+4,077+5.5%Added
Janney Montgomery Scott LLC75,098$54.0K0.00%00.0%Unchanged
BNP Paribas Arbitrage, SA69,295$50.2K0.00%+22,746+48.9%Added
Tudor Investment Corp Et Al61,977$44.9K0.00%00.0%Unchanged
Schonfeld Strategic Advisors LLC60,100$43.5K0.00%+60,100New
HighTower Advisors, LLC55,000$40.0K0.00%+40,000+266.7%Added
Rhumbline Advisers55,112$39.9K0.00%−86,341−61.0%Reduced
Kestra Advisory Services, LLC51,521$37.3K0.00%00.0%Unchanged
Mirae Asset Global ETFs Holdings Ltd.50,437$36.5K0.00%+50,437New
HarbourVest Partners LLC49,363$35.7K0.02%00.0%Unchanged
Prudential Financial Inc48,070$34.8K0.00%+25,325+111.3%Added
Ironwood Investment Management LLC43,298$31.3K0.02%−1,994−4.4%Reduced
Two Sigma Securities, LLC42,438$30.7K0.00%+21,564+103.3%Added
Virtu Financial LLC40,600$29.0K0.00%−53,910−57.0%Reduced
Invesco Ltd.39,259$28.4K0.00%−23,707−37.7%Reduced
JustInvest LLC26,522$19.2K0.00%+26,522New
Wolverine Trading, LLC25,100$18.2K0.00%+7,131+39.7%Added
Evercore Wealth Management, LLC25,000$18.1K0.00%+25,000New
Tower Research Capital LLC (TRC)24,960$18.1K0.00%+3,003+13.7%Added
Catalyst Funds Management Pty Ltd24,900$18.0K0.00%−71,090−74.1%Reduced
XTX Topco Ltd22,132$16.0K0.00%−53,560−70.8%Reduced
Arete Wealth Advisors, LLC22,150$16.0K0.00%+22,150New
Russell Investments Group, Ltd.21,998$15.9K0.00%+3,698+20.2%Added
Stifel Financial Corp20,000$14.5K0.00%00.0%Unchanged
Balyasny Asset Management LLC19,705$14.3K0.00%+19,705New
HSBC Holdings PLC18,679$14.0K0.00%+7,446+66.3%Added
Clear Creek Financial Management, LLC19,200$13.9K0.00%−4,250−18.1%Reduced
Auour Investments LLC17,000$12.3K0.00%00.0%Unchanged
Aries Wealth Management17,000$12.3K0.00%+5,000+41.7%Added
Avantax Advisory Services, Inc.16,679$12.1K0.00%+16,679New
Victory Capital Management Inc15,479$11.2K0.00%+465+3.1%Added
MML Investors Services, LLC14,889$11.0K0.00%00.0%Unchanged
Citigroup Inc13,445$9.73K0.00%−4,440−24.8%Reduced
ProShare Advisors LLC13,175$9.54K0.00%−4,497−25.4%Reduced
Commonwealth Equity Services, LLC11,368$8.00K0.00%00.0%Unchanged
Principal Financial Group Inc10,718$7.76K0.00%−16,370−60.4%Reduced
Jump Financial, LLC10,236$7.41K0.00%+10,236New
PFG Investments, LLC10,000$7.24K0.00%−21,443−68.2%Reduced
Diversified Trust Co10,000$7.24K0.00%00.0%Unchanged
Advisor Group Holdings, Inc.6,780$4.88K0.00%+6,273+1,237.3%Added
Macquarie Group Ltd4,945$3.58K0.00%+4,945New
Royal Bank of Canada4,699$3.00K0.00%+2,412+105.5%Added
Barclays PLC2,051$1.49K0.00%−68,705−97.1%Reduced
JPMorgan Chase & Co1,304$9440.00%−38,139−96.7%Reduced
EverSource Wealth Advisors, LLC666$8920.00%+666New
TFC Financial Management1,000$7240.00%00.0%Unchanged
Continuum Advisory, LLC955$6910.00%00.0%Unchanged
New York State Common Retirement Fund791$5730.00%−38,545−98.0%Reduced
The PNC Financial Services Group, Inc.636$4600.00%−12−1.9%Reduced
Allspring Global Investments Holdings, LLC611$4420.00%+611New
Sandy Spring Bank345$2500.00%00.0%Unchanged
Nisa Investment Advisors, LLC308$2230.00%+200+185.2%Added
Kelly Financial Services LLC240$1740.00%00.0%Unchanged
Larson Financial Group LLC235$1700.00%00.0%Unchanged
Huntington National Bank230$1660.00%00.0%Unchanged
Farther Finance Advisors, LLC204$1470.00%+204New
Wells Fargo & Company200$1450.00%−31,194−99.4%Reduced
GWM Advisors LLC200$1450.00%+200New
Sound Income Strategies, LLC175$1270.00%00.0%Unchanged
Whittier Trust Co30$210.00%+30New
CWM, LLC150$00.00%+42+38.9%Added
Woodline Partners LP0$00.00%−2,045,871−100.0%Sold out
Handelsbanken Fonder AB0$00.00%−1,100,000−100.0%Sold out
D. E. Shaw & Co., Inc.0$00.00%−486,353−100.0%Sold out
Sit Investment Associates Inc0$00.00%−342,200−100.0%Sold out
Bank of New York Mellon Corp0$00.00%−329,072−100.0%Sold out
Graham Capital Management, L.P.0$00.00%−309,379−100.0%Sold out
AQR Capital Management LLC0$00.00%−166,887−100.0%Sold out