SAM
ZBIO

Sectoral Asset Management’s Zenas BioPharma ZBIO Stock Holding History

Sectoral Asset Management’s Portfolio ZBIO Stock Details ZBIO Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q4 		– Sell
-152,025
Closed -$3.37M – 87
2025
Q3 		$3.37M Sell
152,025
-58,600
-28% -$954K 2.08% 17
2025
Q2 		$2.04M Buy
+210,625
New +$2.05M 1.35% 23

Other funds holding ZBIO

Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
SOCM
SR One Capital Management Wayne, Pennsylvania $915M AUM 209.71% 1-Year Est. Return
ES
Enavate Sciences Menlo Park, California $352M AUM 220.14% 1-Year Est. Return
NMC
NEA Management Company Timonium, Maryland $1.76B AUM 223.33% 1-Year Est. Return
Federated Hermes
Federated Hermes Pittsburgh, Pennsylvania $61.5B AUM 30.7% 1-Year Est. Return
FFM
Fairmount Funds Management West Conshohocken, Pennsylvania $1.38B AUM 407.79% 1-Year Est. Return
NA
NVP Associates Menlo Park, California $176M AUM 208.78% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
NHAS
Novo Holdings A/S Hellerup, Denmark $1.23B AUM 81.32% 1-Year Est. Return

Sectoral Asset Management's ZBIO Position: Q4 2025 in Review

Sectoral Asset Management sold out of Zenas BioPharma (ZBIO) in Q4 2025, closing a stake of 152,025 shares — an estimated $3.37M sold.

Sectoral Asset Management first reported a position in ZBIO in Q2 2025 and held it in 2 quarters. The position peaked at $3.37M in Q3 2025. 118 funds tracked by Wall St. Rank hold ZBIO as of Q4 2025.

  • Sectoral Asset Management reported no remaining Zenas BioPharma position as of Q4 2025 after selling out during the quarter.
  • Sectoral Asset Management sold 152,025 Zenas BioPharma shares in Q4 2025, an estimated $3.37M.
  • Sectoral Asset Management first reported a position in Zenas BioPharma in Q2 2025 and held it in 2 quarters.
  • Sectoral Asset Management's Zenas BioPharma position peaked at $3.37M in Q3 2025.
  • 118 funds tracked by Wall St. Rank held Zenas BioPharma as of Q4 2025.

Based on Sectoral Asset Management's 13F filing for Q4 2025, filed 9 Feb 2026.