Skip to main content

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, Q1 2023

Institutional positions in Seres Therapeutics, Inc. as of Mar 31, 2023. 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
−1 vs. Q4 2022
Shares held
104.7M
−325.8K (−0.3%) vs. Q4 2022
Total value
$593.9M
+$5.72M (+1.0%) vs. Q4 2022
New holders
20
42 more added
Sold out
21
37 more reduced

Compare with Q4 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 holdersQ1 2023: 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 heldQ1 2023: $593.9M
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, Q1 2023

Shares, value and share of portfolio for each institution holding Seres Therapeutics, Inc.; share changes are against Q4 2022.

Institutions holding MCRB in Q1 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Parallel Advisors, LLC39$2210.00%+39New
Belpointe Asset Management LLC49$2780.00%00.0%Unchanged
Newbridge Financial Services Group, Inc.55$3120.00%00.0%Unchanged
Grey Fox Wealth Advisors, LLC100$5670.00%00.0%Unchanged
US Bancorp175$9920.00%+175New
Sound Income Strategies, LLC175$9920.00%+175New
Larson Financial Group LLC235$1.33K0.00%00.0%Unchanged
Kelly Financial Services LLC240$1.36K0.00%00.0%Unchanged
Signaturefd, LLC339$1.92K0.00%+339New
Sandy Spring Bank345$1.96K0.00%00.0%Unchanged
Lindbrook Capital, LLC462$2.62K0.00%+107+30.1%Added
Nisa Investment Advisors, LLC590$3.00K0.00%00.0%Unchanged
Daiwa Securities Group Inc.501$3.00K0.00%00.0%Unchanged
Crewe Advisors LLC676$3.83K0.00%00.0%Unchanged
Orion Capital Management LLC1,000$5.67K0.00%00.0%Unchanged
Advisor Group Holdings, Inc.1,042$5.91K0.00%−300−22.4%Reduced
China Universal Asset Management Co., Ltd.1,688$9.57K0.00%+423+33.4%Added
Allspring Global Investments Holdings, LLC1,984$11.2K0.00%−4,856−71.0%Reduced
Quadrant Capital Group LLC2,101$11.9K0.00%+2,101New
Cutler Group LP3,800$21.0K0.00%−100−2.6%Reduced
Metropolitan Life Insurance Co3,842$21.8K0.00%−422−9.9%Reduced
Royal Bank of Canada4,144$23.0K0.00%−7,665−64.9%Reduced
Tower Research Capital LLC (TRC)4,512$26.0K0.00%−9,444−67.7%Reduced
Ameritas Investment Partners, Inc.5,457$30.9K0.00%00.0%Unchanged
Macroview Investment Management LLC5,750$32.6K0.05%+5,750New
Amalgamated Bank9,768$55.0K0.00%−1,476−13.1%Reduced
Cubist Systematic Strategies, LLC9,768$55.4K0.00%−56,432−85.2%Reduced
Walleye Trading LLC10,198$57.8K0.00%+8,841+651.5%Added
Victory Capital Management Inc10,469$59.4K0.00%−92−0.9%Reduced
Public Employees Retirement Association of Colorado11,210$64.0K0.00%00.0%Unchanged
Nebula Research & Development LLC11,893$67.4K0.12%+11,893New
Aries Wealth Management12,000$68.0K0.03%+2,000+20.0%Added
Clearwater Capital Advisors, LLC12,364$70.1K0.01%00.0%Unchanged
Wolverine Trading, LLC13,480$72.0K0.00%+13,480New
E Fund Management Co., Ltd.13,585$77.0K0.01%−3,082−18.5%Reduced
Pictet Asset Management SA13,692$77.6K0.00%00.0%Unchanged
HighTower Advisors, LLC14,500$83.0K0.00%+1,500+11.5%Added
Virtus ETF Advisers LLC16,343$92.7K0.05%−6,285−27.8%Reduced
Fox Run Management, L.L.C.16,448$93.3K0.03%+16,448New
ProShare Advisors LLC16,930$96.0K0.00%−2,441−12.6%Reduced
Russell Investments Group, Ltd.18,300$103.8K0.00%00.0%Unchanged
Venturi Wealth Management, LLC20,000$113.4K0.01%+20,000New
PFG Investments, LLC20,500$116.2K0.02%+20,500New
Vontobel Holding Ltd.20,539$116.5K0.00%+20,539New
Zurcher Kantonalbank (Zurich Cantonalbank)24,010$136.1K0.00%+6,734+39.0%Added
Great West Life Assurance Co27,091$154.0K0.00%+22,878+543.0%Added
Voya Investment Management LLC27,589$156.4K0.00%00.0%Unchanged
Manufacturers Life Insurance Company, The28,627$162.3K0.00%00.0%Unchanged
Arizona State Retirement System28,880$163.8K0.00%+872+3.1%Added
State Board of Administration of Florida Retirement System29,008$164.5K0.00%00.0%Unchanged
Group One Trading, L.P.30,094$170.6K0.01%+2,883+10.6%Added
Teacher Retirement System of Texas30,705$174.0K0.00%+227+0.7%Added
New York State Common Retirement Fund32,570$184.7K0.00%−16,500−33.6%Reduced
American International Group, Inc.34,006$192.8K0.00%+676+2.0%Added
Invesco Ltd.35,027$198.6K0.00%+833+2.4%Added
Oppenheimer & Co Inc37,111$210.4K0.00%+37,111New
Principal Financial Group Inc37,192$210.9K0.00%−4,461−10.7%Reduced
MetLife Investment Management37,617$213.3K0.00%+5,686+17.8%Added
Jane Street Group, LLC39,580$224.4K0.00%−5,209−11.6%Reduced
Legal & General Group Plc42,303$239.9K0.00%+2,540+6.4%Added
SG Americas Securities, LLC43,684$248.0K0.00%+29,437+206.6%Added
Profund Advisors LLC44,859$254.4K0.02%+44,859New
Ironwood Investment Management LLC47,796$271.0K0.17%+31,964+201.9%Added
HarbourVest Partners LLC49,363$279.9K0.09%00.0%Unchanged
Wells Fargo & Company54,923$311.4K0.00%+53,661+4,252.1%Added
HRT Financial LP58,661$332.0K0.00%+58,661New
Hennion & Walsh Asset Management, Inc.61,090$346.0K0.02%−2,092−3.3%Reduced
Deutsche Bank AG61,213$347.1K0.00%+13,729+28.9%Added
Mirae Asset Global Investments Co., Ltd.62,240$352.9K0.00%+8,985+16.9%Added
Tudor Investment Corp Et Al66,595$378.0K0.01%+66,595New
Advisory Research Inc73,553$417.0K0.07%+73,553New
Atom Investors LP90,388$512.5K0.28%−5,132−5.4%Reduced
State of Wisconsin Investment Board91,932$521.3K0.00%−20,250−18.1%Reduced
UBS Asset Management Americas Inc94,095$533.5K0.00%+11,732+14.2%Added
Rhumbline Advisers94,302$535.0K0.00%+4,689+5.2%Added
BNP Paribas Arbitrage, SA95,539$541.7K0.00%+33,812+54.8%Added
LPL Financial LLC95,670$542.4K0.00%+2,769+3.0%Added
Edgewood Management LLC100,000$567.0K0.00%00.0%Unchanged
Janney Montgomery Scott LLC102,281$580.0K0.00%+5,327+5.5%Added
Alliancebernstein L.P.104,100$590.2K0.00%00.0%Unchanged
Barclays PLC110,060$624.0K0.00%−66,609−37.7%Reduced
UBS Group AG110,103$624.3K0.00%−111,146−50.2%Reduced
California State Teachers Retirement System113,758$645.0K0.00%−578−0.5%Reduced
Simplex Trading, LLC115,100$652.0K0.03%+110,157+2,228.5%Added
Credit Suisse AG122,790$696.2K0.00%+270.0%Added
Harvard Management Co Inc131,847$747.6K0.08%00.0%Unchanged
Morgan Stanley194,216$1.10M0.00%−24,706−11.3%Reduced
Citigroup Inc195,222$1.11M0.00%+52,551+36.8%Added
Swiss National Bank215,100$1.22M0.00%−24,600−10.3%Reduced
Silverarc Capital Management, LLC232,525$1.32M0.59%−141,897−37.9%Reduced
Rafferty Asset Management, LLC239,287$1.36M0.01%−78,224−24.6%Reduced
Bank of New York Mellon Corp250,469$1.42M0.00%+1,565+0.6%Added
Sit Investment Associates Inc262,325$1.49M0.04%−2,675−1.0%Reduced
Point72 Asset Management, L.P.292,800$1.66M0.01%−406,800−58.1%Reduced
Susquehanna International Group, LLP294,446$1.67M0.00%+161,372+121.3%Added
Knott David M Jr315,000$1.79M0.75%+114,900+57.4%Added
Goldman Sachs Group Inc320,748$1.82M0.00%−13,645−4.1%Reduced
Walleye Capital LLC362,324$2.05M0.04%+354,162+4,339.2%Added
Nuveen Asset Management, LLC369,695$2.10M0.00%+65,308+21.5%Added
Renaissance Technologies LLC398,200$2.26M0.00%−153,300−27.8%Reduced