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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 2022

Institutional positions in Seres Therapeutics, Inc. as of Jun 30, 2022. 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
123
−5 vs. Q1 2022
Shares held
90.9M
+15.5M (+20.6%) vs. Q1 2022
Total value
$312.7M
−$223.9M (−41.7%) vs. Q1 2022
New holders
18
35 more added
Sold out
23
49 more reduced

3 institutions that held it in Q1 2022 haven't filed for Q2 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2022: 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 2022: 123 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 2022: $312.7M
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 2022

Shares, value and share of portfolio for each institution holding Seres Therapeutics, Inc.; share changes are against Q1 2022.

Institutions holding MCRB in Q2 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Newbridge Financial Services Group, Inc.55$00.00%00.0%Unchanged
Bell Investment Advisors, Inc36$00.00%+36New
Kelly Financial Services LLC240$8230.00%00.0%Unchanged
Daiwa Securities Group Inc.314$1.00K0.00%00.0%Unchanged
Sandy Spring Bank200$1.00K0.00%00.0%Unchanged
First Horizon Advisors, Inc.287$1.00K0.00%+287New
Nisa Investment Advisors, LLC590$2.00K0.00%00.0%Unchanged
Crewe Advisors LLC676$2.00K0.00%+676New
Advisor Group Holdings, Inc.1,042$3.00K0.00%+50+5.0%Added
Orion Capital Management LLC1,000$3.00K0.00%00.0%Unchanged
Metropolitan Life Insurance Co1,423$4.88K0.00%−3,240−69.5%Reduced
Macquarie Group Ltd2,320$8.00K0.00%00.0%Unchanged
UBS Group AG3,622$12.0K0.00%−90,180−96.1%Reduced
Wells Fargo & Company3,276$12.0K0.00%−6,420−66.2%Reduced
Cutler Group LP3,900$13.0K0.00%00.0%Unchanged
Great West Life Assurance Co4,213$14.0K0.00%00.0%Unchanged
Cubist Systematic Strategies, LLC4,752$16.0K0.00%−38,887−89.1%Reduced
Ameritas Investment Partners, Inc.5,457$18.0K0.00%00.0%Unchanged
Allspring Global Investments Holdings, LLC6,990$23.0K0.00%−356−4.8%Reduced
Point72 Hong Kong Ltd7,135$24.0K0.00%+1,280+21.9%Added
Tower Research Capital LLC (TRC)7,372$25.0K0.00%−9,668−56.7%Reduced
Citigroup Inc9,363$32.0K0.00%−42,962−82.1%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)10,668$37.0K0.00%00.0%Unchanged
Teacher Retirement System of Texas11,002$38.0K0.00%−3,331−23.2%Reduced
Amalgamated Bank11,065$38.0K0.00%−267−2.4%Reduced
Public Employees Retirement Association of Colorado11,210$38.0K0.00%00.0%Unchanged
MetLife Investment Management11,824$40.6K0.00%−27,920−70.2%Reduced
Clearwater Capital Advisors, LLC12,364$42.0K0.01%00.0%Unchanged
Y-Intercept (Hong Kong) Ltd14,326$49.0K0.01%+14,326New
Centiva Capital, LP14,643$50.0K0.00%+14,643New
ProShare Advisors LLC15,097$52.0K0.00%−7,459−33.1%Reduced
BNP Paribas Arbitrage, SA15,783$54.1K0.00%−30,968−66.2%Reduced
Ironwood Investment Management LLC16,238$56.0K0.04%+26+0.2%Added
ExodusPoint Capital Management, LP16,598$57.0K0.00%−110,318−86.9%Reduced
Arizona State Retirement System17,423$60.0K0.00%−1,198−6.4%Reduced
Group One Trading, L.P.19,023$65.0K0.00%−43,930−69.8%Reduced
Royal Bank of Canada18,977$65.0K0.00%−3,939−17.2%Reduced
Raymond James & Associates18,890$65.0K0.00%+18,890New
Principal Financial Group Inc21,243$73.0K0.00%−1,814−7.9%Reduced
Voya Investment Management LLC27,589$95.0K0.00%00.0%Unchanged
State Board of Administration of Florida Retirement System29,008$99.0K0.00%+100.0%Added
Rothschild Investment Corp29,000$99.0K0.01%+29,000New
Legal & General Group Plc29,324$100.0K0.00%+279+1.0%Added
Invesco Ltd.30,748$106.0K0.00%−978−3.1%Reduced
Ensign Peak Advisors, Inc30,780$106.0K0.00%00.0%Unchanged
Qube Research & Technologies Ltd32,468$111.0K0.00%+17,679+119.5%Added
Manufacturers Life Insurance Company, The32,492$111.4K0.00%+2,516+8.4%Added
American International Group, Inc.32,978$113.0K0.00%−1,576−4.6%Reduced
Squarepoint Ops LLC37,897$130.0K0.00%+37,897New
Virtus ETF Advisers LLC38,407$132.0K0.05%+19,162+99.6%Added
Barclays PLC38,488$132.0K0.00%+19,851+106.5%Added
Algert Global LLC38,896$133.0K0.01%00.0%Unchanged
Prudential Financial Inc39,550$136.0K0.00%+39,550New
Deutsche Bank AG40,014$137.0K0.00%−16,145−28.7%Reduced
D. E. Shaw & Co., Inc.43,148$148.0K0.00%−52,490−54.9%Reduced
New York State Common Retirement Fund48,993$168.0K0.00%−83−0.2%Reduced
HarbourVest Partners LLC49,363$169.0K0.06%00.0%Unchanged
Connor, Clark & Lunn Investment Management Ltd.53,006$182.0K0.00%−123,069−69.9%Reduced
Alps Advisors Inc54,714$188.0K0.00%−39,860−42.1%Reduced
Hennion & Walsh Asset Management, Inc.55,959$192.0K0.01%−831−1.5%Reduced
Boothbay Fund Management, LLC62,720$215.0K0.01%−24,347−28.0%Reduced
Russell Investments Group, Ltd.65,297$222.0K0.00%−5,678−8.0%Reduced
Ergoteles LLC72,542$249.0K0.01%+72,542New
Janney Montgomery Scott LLC82,800$264.0K0.00%+17,400+26.6%Added
Rhumbline Advisers78,465$269.0K0.00%−4,113−5.0%Reduced
Caxton Associates LP79,239$272.0K0.03%+79,239New
California State Teachers Retirement System83,944$288.0K0.00%−4,290−4.9%Reduced
Bank of America Corp88,368$303.0K0.00%−135,033−60.4%Reduced
Credit Suisse AG90,359$309.0K0.00%+3,532+4.1%Added
Alliancebernstein L.P.92,900$319.0K0.00%+16,200+21.1%Added
Parallax Volatility Advisers, L.P.100,000$343.0K0.00%+100,000New
Walleye Capital LLC99,950$343.0K0.01%+99,950New
UBS Asset Management Americas Inc100,072$343.2K0.00%+19,410+24.1%Added
LPL Financial LLC103,203$354.0K0.00%+53,094+106.0%Added
Los Angeles Capital Management LLC105,417$362.0K0.00%+38,821+58.3%Added
Harvard Management Co Inc131,847$452.0K0.05%00.0%Unchanged
Acadian Asset Management LLC131,774$452.0K0.00%+131,774New
Susquehanna International Group, LLP148,428$509.0K0.00%−45,383−23.4%Reduced
Swiss National Bank151,400$519.0K0.00%−11,500−7.1%Reduced
Panagora Asset Management Inc154,538$530.0K0.00%+73,339+90.3%Added
Citadel Advisors LLC164,091$563.0K0.00%−72,886−30.8%Reduced
State of Wisconsin Investment Board166,004$569.0K0.00%+75,904+84.2%Added
PDT Partners, LLC179,003$614.0K0.05%00.0%Unchanged
STRS Ohio179,800$616.0K0.00%+77,000+74.9%Added
Atom Investors LP191,958$658.0K0.29%+151,972+380.1%Added
Sit Investment Associates Inc199,000$683.0K0.02%+136,550+218.7%Added
Nuveen Asset Management, LLC204,862$702.0K0.00%−49,028−19.3%Reduced
Bank of New York Mellon Corp212,996$730.0K0.00%−12,530−5.6%Reduced
HRT Financial LP213,156$731.0K0.01%+174,560+452.3%Added
Voloridge Investment Management, LLC217,674$747.0K0.00%−201,988−48.1%Reduced
Morgan Stanley224,636$770.0K0.00%−370,885−62.3%Reduced
Graham Capital Management, L.P.248,533$852.0K0.04%+141,145+131.4%Added
Kynam Capital Management, LP258,647$887.0K0.23%−32,796−11.3%Reduced
Two Sigma Advisers, LP280,700$963.0K0.00%−2,000−0.7%Reduced
Point72 Asset Management, L.P.335,000$1.15M0.01%+335,000New
Two Sigma Investments, LP336,056$1.15M0.00%+207,904+162.2%Added
Marshall Wace, LLP340,890$1.17M0.00%+340,890New
Silverarc Capital Management, LLC347,761$1.19M0.56%+20,889+6.4%Added
AQR Capital Management LLC351,312$1.21M0.00%+84,904+31.9%Added
Charles Schwab Investment Management Inc471,388$1.62M0.00%−10,790−2.2%Reduced