AIP
ZBIO

Ameritas Investment Partners’s Zenas BioPharma ZBIO Stock Holding History

Ameritas Investment Partners’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 		$37.6K Buy
1,924
+556
+41% +$12.5K ﹤0.01% 2270
2025
Q4 		$49.7K Sell
1,368
-240
-15% -$7.89K ﹤0.01% 2117
2025
Q3 		$35.7K Hold
1,608
– – ﹤0.01% 2377
2025
Q2 		$15.6K Hold
1,608
– – ﹤0.01% 2769
2025
Q1 		$12.7K Hold
1,608
– – ﹤0.01% 2739
2024
Q4 		$13.2K Buy
+1,608
New +$25.1K ﹤0.01% 2821

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

Ameritas Investment Partners's ZBIO Position: Q1 2026 in Review

Ameritas Investment Partners increased its Zenas BioPharma (ZBIO) stake by 41% in Q1 2026, buying an estimated $12.5K and bringing the position to 1,924 shares worth $37.6K. The position accounts for ﹤0.01% of the portfolio, ranked #2270.

Ameritas Investment Partners first reported a position in ZBIO in Q4 2024 and has held it in 6 quarters since. The position peaked at $49.7K in Q4 2025. 139 funds tracked by Wall St. Rank hold ZBIO as of Q1 2026.

  • Ameritas Investment Partners held 1,924 shares of Zenas BioPharma worth $37.6K as of Q1 2026.
  • Ameritas Investment Partners bought 556 Zenas BioPharma shares in Q1 2026, an estimated $12.5K.
  • Zenas BioPharma made up ﹤0.01% of Ameritas Investment Partners's portfolio in Q1 2026, its #2270 holding.
  • Ameritas Investment Partners first reported a position in Zenas BioPharma in Q4 2024 and has held it in 6 quarters since.
  • Ameritas Investment Partners's Zenas BioPharma position peaked at $49.7K in Q4 2025.
  • 139 funds tracked by Wall St. Rank held Zenas BioPharma as of Q1 2026.

Based on Ameritas Investment Partners's 13F filing for Q1 2026, filed 13 May 2026.