Millennium Management
ZBIO

Millennium Management’s Zenas BioPharma ZBIO Stock Holding History

Millennium 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
2026
Q1 		$9.32M Buy
476,818
+427,658
+870% +$9.6M ﹤0.01% 2235
2025
Q4 		$1.78M Sell
49,160
-22,690
-32% -$746K ﹤0.01% 4045
2025
Q3 		$1.6M Buy
+71,850
New +$1.17M ﹤0.01% 4247
2025
Q1 		– Sell
-134,896
Closed -$1.1M – 6531
2024
Q4 		$1.1M Buy
134,896
+17,515
+15% +$273K ﹤0.01% 4121
2024
Q3 		$1.99M Buy
+117,381
New +$2.11M ﹤0.01% 3708

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
NMC
NEA Management Company Timonium, Maryland $1.76B AUM 223.33% 1-Year Est. Return
ES
Enavate Sciences Menlo Park, California $352M AUM 220.14% 1-Year Est. Return
Federated Hermes
Federated Hermes Pittsburgh, Pennsylvania $61.5B AUM 30.7% 1-Year Est. Return
PCH
Polar Capital Holdings London, United Kingdom $28.2B AUM 115.26% 1-Year Est. Return
Capital International Investors
Capital International Investors Los Angeles, California $427B AUM 29.17% 1-Year Est. Return
FFM
Fairmount Funds Management West Conshohocken, Pennsylvania $1.38B AUM 407.79% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
NA
NVP Associates Menlo Park, California $176M AUM 208.78% 1-Year Est. Return

Millennium Management's ZBIO Position: Q1 2026 in Review

Millennium Management increased its Zenas BioPharma (ZBIO) stake by 870% in Q1 2026, buying an estimated $9.6M and bringing the position to 476,818 shares worth $9.32M. The position accounts for ﹤0.01% of the portfolio, ranked #2235.

Millennium Management first reported a position in ZBIO in Q3 2024 and has held it in 5 quarters since. 139 funds tracked by Wall St. Rank hold ZBIO as of Q1 2026.

  • Millennium Management held 476,818 shares of Zenas BioPharma worth $9.32M as of Q1 2026.
  • Millennium Management bought 427,658 Zenas BioPharma shares in Q1 2026, an estimated $9.6M.
  • Zenas BioPharma made up ﹤0.01% of Millennium Management's portfolio in Q1 2026, its #2235 holding.
  • Millennium Management first reported a position in Zenas BioPharma in Q3 2024 and has held it in 5 quarters since.
  • 139 funds tracked by Wall St. Rank held Zenas BioPharma as of Q1 2026.

Based on Millennium Management's 13F filing for Q1 2026, filed 15 May 2026.