13FBOX
UPSTREAM BIO INC COM · 13F Institutional Holdings
Options Calculator Rankings

UPSTREAM BIO INC COM

UPB
Institutions
151
Combined AUM (Q2 2026)
$350.4M
Combined Shares (Q2 2026)
50.6M
Overall Trend
Increase
All institutions combined
📥 Inflow (Q1 2026→Q2 2026)
+10.4M
104 · 36 New Buys · ≈
📤 Outflow (Q1 2026→Q2 2026)
-5.3M
57 · 28 Exit · ≈
⚖️ Net
+5.1M
Net Buy
💰 Net Value
≈ —
est. price
Latest AUM (Q2 2026)
$350.4M
Institutions
151
New Buys
36
Adds
68
Reduces
29
Exits
28
Unchanged
18
Ownership TrendPortfolio %Prev Q %RankQ2 2026 ValueQ2 2026 SharesPrev Q ValuePrev Q SharesShares ChangeAction
FMR LLC
<0.01%<0.01%#45$56.5M8.2M$72.9M8.1M+61,334+0.76%Add
ORBIMED ADVISORS LLC
0.74%1.02%#4$39.4M5.7M$51.2M5.7M00.00%Unchanged
NORGES BANK
<0.01%<0.01%#44$26.1M3.8M$5.9M969,916+2.8M+288.55%Add
BlackRock, Inc.
<0.01%<0.01%#74$26.0M3.8M$30.3M3.4M+382,669+11.35%Add
Decheng Capital LLC
2.58%3.71%#2$18.9M2.7M$24.5M2.7M00.00%Unchanged
Enavate Sciences GP, LLC
4.93%6.3%#1$17.0M2.5M$22.1M2.5M00.00%Unchanged
VANGUARD CAPITAL MANAGEMENT LLC
<0.01%<0.01%#79$13.0M1.9M$16.9M1.9M+3,160+0.17%Add
MILLENNIUM MANAGEMENT LLC
<0.01%<0.01%#43$7.9M1.1M$8.4M937,323+206,452+22.03%Add
D. E. Shaw & Co., Inc.
<0.01%<0.01%#41$7.2M1.0M$7.4M820,480+215,564+26.27%Add
JPMORGAN CHASE & CO
<0.01%<0.01%#73$7.0M1.0M$4.1M463,001+549,043+118.58%Add
Qube Research & Technologies Ltd
0.01%0.01%#33$6.8M978,500$5.6M619,321+359,179+58.00%Add
Parkman Healthcare Partners LLC
0.66%0.73%#5$6.5M935,247$7.1M786,783+148,464+18.87%Add
GEODE CAPITAL MANAGEMENT, LLC
<0.01%<0.01%#76$6.4M931,261$8.6M950,617-19,356-2.04%Reduce
SEB Asset Management AB
0.02%0.03%#19$6.1M878,473$7.9M878,47300.00%Unchanged
Woodline Partners LP
0.02%0.03%#23$5.8M831,481$7.5M831,48100.00%Unchanged
STATE STREET CORP
<0.01%<0.01%#95$5.3M766,323$6.3M705,350+60,973+8.64%Add
VANGUARD PORTFOLIO MANAGEMENT LLC
<0.01%<0.01%#87$4.9M712,667$6.5M727,711-15,044-2.07%Reduce
Y-Intercept (Hong Kong) Ltd
0.09%0.17%#12$4.8M693,555$9.0M1.0M-307,076-30.69%Reduce
Bain Capital Life Sciences Investors, LLC
0.25%0.7%#7$4.2M600,949$7.8M867,211-266,262-30.70%Reduce
AQR CAPITAL MANAGEMENT LLC
<0.01%<0.01%#53$3.8M544,869$649,53972,171+472,698+654.97%Add
MORGAN STANLEY
<0.01%<0.01%#92$3.6M524,632$1.6M87,535+437,097+499.34%Add
BNP PARIBAS FINANCIAL MARKETS
<0.01%<0.01%#51$3.5M511,546$1.1M126,000+385,546+305.99%Add
Walleye Capital LLC
0.01%#26$3.4M498,490$00+498,490New Buy
Trexquant Investment LP
0.02%0.01%#22$3.2M466,430$1.6M176,657+289,773+164.03%Add
Point72 Asset Management, L.P.
<0.01%<0.01%#40$3.1M453,011$1.7M189,668+263,343+138.84%Add
BANK OF AMERICA CORP /DE/
<0.01%<0.01%#94$2.7M391,762$436,14048,460+343,302+708.42%Add
DIMENSIONAL FUND ADVISORS LP
<0.01%<0.01%#67$2.6M381,613$719,49280,002+301,611+377.00%Add
Altshuler Shaham Ltd
0.03%0.06%#18$2.6M380,061$3.4M380,06100.00%Unchanged
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
<0.01%<0.01%#56$2.5M357,756$1.7M185,087+172,669+93.29%Add
Samsara BioCapital, LLC
0.2%0.64%#9$2.4M353,717$6.6M736,047-382,330-51.94%Reduce
Propel Bio Management, LLC
1.27%1.95%#3$2.4M350,389$3.1M341,779+8,610+2.52%Add
WELLINGTON MANAGEMENT GROUP LLP
<0.01%<0.01%#72$2.4M342,353$3.1M342,35300.00%Unchanged
NORTHERN TRUST CORP
<0.01%<0.01%#83$2.1M297,346$2.3M260,992+36,354+13.93%Add
Squarepoint Ops LLC
<0.01%<0.01%#46$2.0M290,904$401,63444,626+246,278+551.87%Add
Voleon Capital Management LP
0.04%#15$2.0M285,234$00+285,234New Buy
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
<0.01%<0.01%#82$1.8M262,456$2.3M257,729+4,727+1.83%Add
JACOBS LEVY EQUITY MANAGEMENT, INC
0.01%#32$1.8M253,092$00+253,092New Buy
GOLDMAN SACHS GROUP INC
<0.01%<0.01%#97$1.7M246,917$2.8M316,587-69,670-22.01%Reduce
XTX Topco Ltd
0.02%0.03%#20$1.7M242,346$1.9M209,277+33,069+15.80%Add
DEUTSCHE BANK AG\
<0.01%<0.01%#66$1.7M241,447$1.6M180,889+60,558+33.48%Add
VANGUARD FIDUCIARY TRUST CO
<0.01%<0.01%#75$1.7M239,616$2.0M224,157+15,459+6.90%Add
UBS Group AG
<0.01%<0.01%#90$1.6M234,714$2.1M231,254+3,460+1.50%Add
Schonfeld Strategic Advisors LLC
0.01%0.01%#35$1.6M225,760$1.5M161,349+64,411+39.92%Add
Jump Financial, LLC
0.01%0.04%#25$1.5M223,223$2.9M319,400-96,177-30.11%Reduce
SPHERA FUNDS MANAGEMENT LTD.
0.2%0.51%#10$1.5M219,700$3.2M358,000-138,300-38.63%Reduce
ACADIAN ASSET MANAGEMENT LLC
<0.01%#52$1.2M175,110$00+175,110New Buy
HRT FINANCIAL LP
<0.01%#47$1.2M170,590$00+170,590New Buy
Boxer Capital Management, LLC
0.08%0.18%#14$1.0M150,000$1.4M150,00000.00%Unchanged
RENAISSANCE TECHNOLOGIES LLC
<0.01%<0.01%#54$908,596131,300$558,90062,100+69,200+111.43%Add
EntryPoint Capital, LLC
0.22%0.19%#8$895,766129,446$662,11273,568+55,878+75.95%Add

🧭 Institutional Sector Flow Heatmap

Net Outflow Net Inflow