Zenas BioPharma, Inc. - Common Stock, par value $0.0001 (ZBIO)

Historical Holders from Q3 2024 to Q3 2025

Symbol
ZBIO on Nasdaq
CUSIP
98937L105
Type / Class
Equity / Common Stock, par value $0.0001
Shares outstanding
42.6M
All holders as of September 30, 2025
Q3 2025
Total 13F shares, excl. options
34.8M
Holdings value
$772M
% of all portfolios
0.001%
Grand Portfolio weight change
+0%
Number of holders
78
Number of buys
35
Number of sells
-28
Average Value change %
0%
Average buys %
+0%
Average sells %
0%
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of Zenas BioPharma, Inc. - Common Stock, par value $0.0001 (ZBIO)

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
SR ONE CAPITAL MANAGEMENT, LLC 9.4% $112M 5.04M SR One Capital Management, LLC Oct 9, 2025
InnoCare Pharma Inc. 9.4% $111M 5M InnoCare Pharma Inc. Oct 7, 2025
FMR LLC 11% +38.8% $75.5M $21.5M 4.64M +39.7% FMR LLC Aug 29, 2025
Enavate Sciences GP, LLC 7.3% $87M 3.92M Enavate Sciences GP, LLC Oct 9, 2025
Longitude Capital Partners IV, LLC 4.9% $58.4M 2.63M Patrick G. Enright Oct 9, 2025
MOULDER LEON O JR 4.8% -4% $57.6M $11M 2.59M +23.6% Leon O. Moulder, Jr. Oct 7, 2025
Novo Holdings A/S 4.7% -12% $44.4M -$4.77M 2M -9.71% Novo Holdings A/S Sep 30, 2025

Institutional Holders of Zenas BioPharma, Inc. - Common Stock, par value $0.0001 (ZBIO)

Period Reported Shares, Excl. Options Value, Excl. Options Change Price Investors
2025 Q3 34.8M $772M +$23.3M $22.20 78
2025 Q2 34.1M $330M +$15.6M $9.69 72
2025 Q1 32.5M $257M +$5.76M $7.90 67
2024 Q4 31.7M $260M +$20.7M $8.19 65
2024 Q3 24.7M $417M +$417M $16.92 43