Who Owns Upstream Bio, Inc. (UPB)?Hedge Fund & Institutional Holders

$9.68+0.07 (+0.68%)HealthcareNASDAQ

Institutional Holders

78

as of QNaN NaN

Total Institutional Value

$180.8T

% of Float Held

227.2%

QoQ Change in Holders

+78 / -0

Price History

$6.07$12.70$19.34$25.97$32.60Oct 24Jul 25Mar 26

UPB — Biggest Institutional Buyers This Quarter

FundShares AddedValue% of Portfolio
ORBIMED ADVISORS LLCNew5.7M$34.8T0.83%
Decheng Capital LLCNew3.3M$20.1T5.64%
TCG Crossover Management, LLCNew2.8M$17.1T2.34%
Enavate Sciences GP, LLCNew2.5M$15.1T11.34%
Bain Capital Life Sciences Investors, LLCNew2.3M$14.0T2.08%
VR Adviser, LLCNew2.3M$14.0T1.20%
Omega Fund Management, LLCNew2.0M$12.5T7.35%
WELLINGTON MANAGEMENT GROUP LLPNew1.3M$8.0T1.54%
BlackRock, Inc.New1.2M$7.3T0.15%
ALLIANCEBERNSTEIN L.P.New1.1M$6.7T2.42%
Siren, L.L.C.New788K$4.8T0.27%
Nantahala Capital Management, LLCNew595K$3.6T0.14%
Altshuler Shaham LtdNew3.2M$3.5T0.09%
Woodline Partners LPNew557K$3.4T22.17%
GEODE CAPITAL MANAGEMENT, LLCNew411K$2.5T0.20%

Top Institutional Holders(QNaN NaN)

#FundSharesValue% of PortfolioQoQ Share Change
1ORBIMED ADVISORS LLC5,693,589$34.8T0.83%New
2Decheng Capital LLC3,285,293$20.1T5.64%New
3TCG Crossover Management, LLC2,801,763$17.1T2.34%New
4Enavate Sciences GP, LLC2,459,703$15.1T11.34%New
5Bain Capital Life Sciences Investors, LLC2,295,322$14.0T2.08%New
6VR Adviser, LLC2,295,319$14.0T1.20%New
7Omega Fund Management, LLC2,036,293$12.5T7.35%New
8WELLINGTON MANAGEMENT GROUP LLP1,313,457$8.0T1.54%New
9BlackRock, Inc.1,185,768$7.3T0.15%New
10ALLIANCEBERNSTEIN L.P.1,091,186$6.7T2.42%New
11Siren, L.L.C.788,450$4.8T0.27%New
12Nantahala Capital Management, LLC594,971$3.6T0.14%New
13Altshuler Shaham Ltd3,235,293$3.5T0.09%New
14Woodline Partners LP557,063$3.4T22.17%New
15GEODE CAPITAL MANAGEMENT, LLC410,677$2.5T0.20%New
16MARSHALL WACE, LLP304,963$1.9T2.37%New
17GREAT POINT PARTNERS LLC300,000$1.8T0.97%New
18Lynx1 Capital Management LP219,247$1.3T0.48%New
19Schonfeld Strategic Advisors LLC177,984$1.1T6.57%New
20NORTHERN TRUST CORP137,771$843.2B0.13%New
21CHARLES SCHWAB INVESTMENT MANAGEMENT INC132,173$808.9B0.15%New
22UBS Group AG131,551$805.1B0.15%New
23Velan Capital Investment Management LP107,000$654.8B0.67%New
24Alyeska Investment Group, L.P.85,000$520.2B2.07%New
25MILLENNIUM MANAGEMENT LLC61,796$378.2B0.20%New
26EcoR1 Capital, LLC60,000$367.2B0.02%New
27MORGAN STANLEY51,391$312.0B0.02%New
28ALPS ADVISORS INC39,079$239.2B1.39%New
29GOLDMAN SACHS GROUP INC32,955$201.7B0.03%New
30BARCLAYS PLC24,993$153.0B0.04%New
31Nuveen, LLC22,586$138.2B0.04%New
32TWO SIGMA INVESTMENTS, LP21,789$133.3B0.28%New
33SUSQUEHANNA INTERNATIONAL GROUP, LLP21,264$130.1B0.02%New
34AQR CAPITAL MANAGEMENT LLC18,822$115.2B0.12%New
35CITIGROUP INC18,178$111.2B0.06%New
36Invesco Ltd.15,315$93.7B0.02%New
37Quantinno Capital Management LP15,225$93.2B0.61%New
38DEUTSCHE BANK AG\15,192$93.0B0.04%New
39ADAR1 Capital Management, LLC15,000$91.8B0.02%New
40RHUMBLINE ADVISERS13,327$81.6B0.08%New
41XTX Topco Ltd12,731$77.9B0.00%New
42MetLife Investment Management, LLC11,034$67.5B0.36%New
43MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.10,296$63.0B0.13%New
44BANK OF AMERICA CORP /DE/10,531$63.0B0.01%New
45Walleye Capital LLC10,000$61.2B0.28%New
46WELLS FARGO & COMPANY/MN9,250$56.6B0.01%New
47STRS OHIO3,200$52.6B0.21%New
48Corebridge Financial, Inc.8,533$52.2B0.30%New
49FMR LLC7,255,859$44.4B0.00%New
50NEW YORK STATE COMMON RETIREMENT FUND4,700$29.0B0.04%New

Similar Stocks by Institutional Ownership

As of QNaN NaN, 78 institutional investors hold UPB (Upstream Bio, Inc.). The largest holder is ORBIMED ADVISORS LLC with $34.8T in shares. This quarter, 78 institutions opened new positions and 0 closed their positions.

Frequently Asked Questions

How many hedge funds own UPB?

As of QNaN NaN, 78 institutional investors report holding UPB (Upstream Bio, Inc.) in their 13F filings.

Who is the largest institutional holder of UPB?

The largest institutional holder of UPB is ORBIMED ADVISORS LLC with $34.8T in shares.

Is institutional ownership of UPB increasing or decreasing?

This quarter, 78 institutions opened new positions in UPB and 0 closed their positions.