ZBIO

Zenas BioPharma, Inc. Common Stock
ZBIO

Overview Fund Activity

67 hedge funds and large institutions have $257M invested in Zenas BioPharma, Inc. Common Stock in 2025 Q1 according to their latest regulatory filings, with 13 funds opening new positions, 14 increasing their positions, 20 reducing their positions, and 10 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
67
Holders Change
+2
Holders Change %
+3.08%
% of All Funds
0.91%
Holding in Top 10
4
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.05%
New
13
Increased
14
Reduced
20
Closed
10
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

1
Fidelity Investments
Fidelity Investments
Massachusetts
+$8.46M
2
NHAS
Novo Holdings A/S
Denmark
+$4.86M
3
ACH
ArrowMark Colorado Holdings
Colorado
+$3.71M
4
EP
Eversept Partners
New York
+$2.16M
5
CCM
Catalio Capital Management
New York
+$853K

Top Sellers

1
PA
Perceptive Advisors
New York
-$6.09M
2
Morgan Stanley
Morgan Stanley
New York
-$2.21M
3
Wellington Management Group
Wellington Management Group
Massachusetts
-$2.07M
4
Millennium Management
Millennium Management
New York
-$1.1M
5
UBS Group
UBS Group
Switzerland
-$876K
Name Holding Trade Value Shares
Change 		Shares
Change %
SOCM
1
SR One Capital Management
Pennsylvania
$38.8M – – –
ES
2
Enavate Sciences
California
$29.7M – – –
Fidelity Investments
3
Fidelity Investments
Massachusetts
$22.5M +$8.46M +1,070,656 +60%
NMC
4
NEA Management Company
Maryland
$20.7M – – –
NHAS
5
Novo Holdings A/S
Denmark
$17.5M +$4.86M +614,967 +38%
FFM
6
Fairmount Funds Management
Pennsylvania
$15M – – –
NA
7
NVP Associates
California
$14.5M – – –
DM
8
Deerfield Management
New York
$12.3M – – –
VC
9
Vivo Capital
California
$9.35M – – –
Federated Hermes
10
Federated Hermes
Pennsylvania
$9.15M – – –
ACH
11
ArrowMark Colorado Holdings
Colorado
$8.67M +$3.71M +469,700 +75%
BlackRock
12
BlackRock
New York
$8.01M +$59.7K +7,552 +0.8%
Vanguard Group
13
Vanguard Group
Pennsylvania
$7.71M -$27K -3,417 -0.3%
RSCM
14
Rock Springs Capital Management
Maryland
$6.94M – – –
Wellington Management Group
15
Wellington Management Group
Massachusetts
$6.9M -$2.07M -261,666 -23%
PBPIA
16
Pivotal bioVenture Partners Investment Advisor
California
$5.82M – – –
T. Rowe Price Associates
17
T. Rowe Price Associates
Maryland
$4.09M +$50.5K +6,386 +1%
EP
18
Eversept Partners
New York
$3.52M +$2.16M +273,485 +159%
Geode Capital Management
19
Geode Capital Management
Massachusetts
$2.82M +$66.3K +8,396 +2%
CCM
20
Catalio Capital Management
New York
$2.33M +$853K +107,964 +58%
State Street
21
State Street
Massachusetts
$2.1M +$432K +54,694 +26%
Schroder Investment Management Group
22
Schroder Investment Management Group
United Kingdom
$1.34M -$64.6K -7,905 -5%
Northern Trust
23
Northern Trust
Illinois
$950K -$31.7K -4,008 -3%
Charles Schwab
24
Charles Schwab
California
$918K -$19.9K -2,520 -2%
SCM
25
Superstring Capital Management
New York
$882K – – –
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