13FBOX
SERES THERAPEUTICS INC · 13F Institutional Holdings
Options Calculator Rankings
S

SERES THERAPEUTICS INC

MCRB
Institutions
36
Combined AUM (Q2 2026)
$18.9M
Combined Shares (Q2 2026)
2.4M
Overall Trend
Decrease
All institutions combined
📥 Inflow (Q1 2026→Q2 2026)
+104,666
15 · 8 New Buys · ≈
📤 Outflow (Q1 2026→Q2 2026)
-196,059
18 · 6 Exit · ≈
⚖️ Net
-91,393
Net Sell
💰 Net Value
≈ —
est. price
Latest AUM (Q2 2026)
$18.9M
Institutions
36
New Buys
8
Adds
7
Reduces
12
Exits
6
Unchanged
9
Ownership TrendPortfolio %Prev Q %RankQ2 2026 ValueQ2 2026 SharesPrev Q ValuePrev Q SharesShares ChangeAction
Flagship Pioneering, LLC
0.59%0.88%#2$9.1M1.2M$10.3M1.2M00.00%Unchanged
VANGUARD CAPITAL MANAGEMENT LLC
<0.01%<0.01%#14$2.3M287,776$2.6M294,143-6,367-2.16%Reduce
MARSHALL WACE, LLP
<0.01%<0.01%#6$1.4M172,245$1.2M139,539+32,706+23.44%Add
SUSQUEHANNA INTERNATIONAL GROUP, LLP
<0.01%<0.01%#11$1.1M133,228$2.0M226,939-93,711-41.29%Reduce
Vontobel Holding Ltd.
<0.01%<0.01%#4$970,273122,975$1.2M138,468-15,493-11.19%Reduce
BlackRock, Inc.
<0.01%<0.01%#21$875,790111,000$904,970102,026+8,974+8.80%Add
GEODE CAPITAL MANAGEMENT, LLC
<0.01%<0.01%#16$631,30179,974$664,10874,835+5,139+6.87%Add
CITADEL ADVISORS LLC
<0.01%<0.01%#13$426,09254,004$527,76559,500-5,496-9.24%Reduce
VANGUARD FIDUCIARY TRUST CO
<0.01%<0.01%#10$384,12548,685$351,63339,643+9,042+22.81%Add
STATE STREET CORP
<0.01%<0.01%#24$267,47933,901$300,70233,90100.00%Unchanged
Lion Point Capital, LP
1.19%1.67%#1$249,08731,570$280,02631,57000.00%Unchanged
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
<0.01%<0.01%#17$244,97731,049$280,55831,630-581-1.84%Reduce
AMERICAN CENTURY COMPANIES INC
<0.01%<0.01%#9$223,39028,313$552,74362,316-34,003-54.57%Reduce
XTX Topco Ltd
<0.01%#5$163,57520,732$00+20,732New Buy
GOLDMAN SACHS GROUP INC
<0.01%#22$120,15715,229$00+15,229New Buy
NORTHERN TRUST CORP
<0.01%<0.01%#20$116,49614,765$130,96614,76500.00%Unchanged
Invesco Ltd.
<0.01%<0.01%#23$102,36512,974$129,03214,547-1,573-10.81%Reduce
MORGAN STANLEY
<0.01%<0.01%#26$95,76912,138$352,74618,334-6,196-33.80%Reduce
SIMPLEX TRADING, LLC
<0.01%<0.01%#19$36,2784,598$27,2303,070+1,528+49.77%Add
SBI Securities Co., Ltd.
<0.01%<0.01%#7$32,9964,182$30,8853,482+700+20.10%Add
Integrated Wealth Concepts LLC
<0.01%#8$31,5604,000$00+4,000New Buy
GROUP ONE TRADING LLC
<0.01%<0.01%#15$29,3033,714$7,309824+2,890+350.73%Add
JPMORGAN CHASE & CO
<0.01%#27$28,3253,636$00+3,636New Buy
Vanguard Global Advisers, LLC
<0.01%<0.01%#25$15,5831,975$17,5181,97500.00%Unchanged
FMR LLC
<0.01%<0.01%#30$12,0561,528$15,5401,752-224-12.79%Reduce
Rachor Investment Advisory Services, LLC
0.01%0.01%#3$11,6541,477$13,1011,47700.00%Unchanged
UBS Group AG
<0.01%<0.01%#31$3,818484$62,3577,030-6,546-93.12%Reduce
Tower Research Capital LLC (TRC)
<0.01%<0.01%#12$2,493316$7,043794-478-60.20%Reduce
BNP PARIBAS FINANCIAL MARKETS
<0.01%<0.01%#29$1,665211$1,87221100.00%Unchanged
BARCLAYS PLC
<0.01%<0.01%#33$1,318167$57,7176,507-6,340-97.43%Reduce
Continuum Advisory, LLC
<0.01%#18$37147$00+47New Buy
MERCER GLOBAL ADVISORS INC /ADV
<0.01%#32$29237$00+37New Buy
WELLS FARGO & COMPANY/MN
<0.01%<0.01%#36$7910$891000.00%Unchanged
OSAIC HOLDINGS, INC.
<0.01%<0.01%#35$638$70800.00%Unchanged
Larson Financial Group LLC
<0.01%#28$395$00+5New Buy
WHITTIER TRUST CO OF NEVADA INC
<0.01%#34$81$00+1New Buy

🧭 Institutional Sector Flow Heatmap

Net Outflow Net Inflow