ZBIO

Zenas BioPharma, Inc. Common Stock
ZBIO

Overview Fund Activity

72 hedge funds and large institutions have $330M invested in Zenas BioPharma, Inc. Common Stock in 2025 Q2 according to their latest regulatory filings, with 10 funds opening new positions, 34 increasing their positions, 12 reducing their positions, and 5 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
72
Holders Change
+5
Holders Change %
+7.46%
% of All Funds
0.97%
Holding in Top 10
4
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.05%
New
10
Increased
34
Reduced
12
Closed
5
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

1
Federated Hermes
Federated Hermes
Pennsylvania
$18M
2
Fidelity Investments
Fidelity Investments
Massachusetts
$32.2M
3
Citadel Advisors
Citadel Advisors
Florida
$2.85M
4
SAM
Sectoral Asset Management
Quebec, Canada
$2.04M
5
NMC
NEA Management Company
Maryland
$26.5M

Top Sellers

1
RSCM
Rock Springs Capital Management
Maryland
$6.21M
2
EP
Eversept Partners
New York
$3.15M
3
CCM
Catalio Capital Management
New York
$2.09M
4
JFG
Jefferies Financial Group
New York
$0
5
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
$4.7M
Name Holding Trade Value Shares
Change 		Shares
Change %
SOCM
1
SR One Capital Management
Pennsylvania
$47.6M – – –
ES
2
Enavate Sciences
California
$36.4M – – –
Fidelity Investments
3
Fidelity Investments
Massachusetts
$32.2M +$4.57M +471,163 +17%
NMC
4
NEA Management Company
Maryland
$26.5M +$1.16M +119,771 +5%
NHAS
5
Novo Holdings A/S
Denmark
$21.8M +$339K +35,033 +2%
FFM
6
Fairmount Funds Management
Pennsylvania
$18.3M – – –
Federated Hermes
7
Federated Hermes
Pennsylvania
$18M +$6.82M +703,838 +61%
NA
8
NVP Associates
California
$17.8M – – –
DM
9
Deerfield Management
New York
$15.1M – – –
VC
10
Vivo Capital
California
$11.5M – – –
BlackRock
11
BlackRock
New York
$10.6M +$790K +81,499 +8%
ACH
12
ArrowMark Colorado Holdings
Colorado
$10.6M -$29.4K -3,031 -0.3%
Vanguard Group
13
Vanguard Group
Pennsylvania
$9.61M +$158K +16,306 +2%
Wellington Management Group
14
Wellington Management Group
Massachusetts
$8.52M +$51.3K +5,295 +0.6%
PBPIA
15
Pivotal bioVenture Partners Investment Advisor
California
$7.55M +$411K +42,400 +6%
RSCM
16
Rock Springs Capital Management
Maryland
$6.21M -$2.31M -238,200 -27%
T. Rowe Price Associates
17
T. Rowe Price Associates
Maryland
$4.7M -$314K -32,404 -6%
Geode Capital Management
18
Geode Capital Management
Massachusetts
$3.62M +$160K +16,461 +5%
EP
19
Eversept Partners
New York
$3.15M -$1.16M -120,109 -27%
State Street
20
State Street
Massachusetts
$3.01M +$427K +44,036 +17%
Citadel Advisors
21
Citadel Advisors
Florida
$2.85M +$2.85M +293,785 New
CCM
22
Catalio Capital Management
New York
$2.09M -$774K -79,834 -27%
SAM
23
Sectoral Asset Management
Quebec, Canada
$2.04M +$2.04M +210,625 New
Schroder Investment Management Group
24
Schroder Investment Management Group
United Kingdom
$1.48M -$87.4K -9,119 -6%
Morgan Stanley
25
Morgan Stanley
New York
$1.2M +$450K +46,391 +60%
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