SR One Capital Management’s Zenas BioPharma ZBIO Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
$128M Hold
5,037,854
– – 12.31% 2
2026
Q1
$98.5M Hold
5,037,854
– – 10.76% 3
2025
Q4
$183M Buy
5,037,854
+126,315
+3% +$4.15M 25.9% 1
2025
Q3
$109M Hold
4,911,539
– – 15.77% 3
2025
Q2
$47.6M Hold
4,911,539
– – 10.32% 4
2025
Q1
$38.8M Hold
4,911,539
– – 9.97% 4
2024
Q4
$40.2M Hold
4,911,539
– – 9.81% 5
2024
Q3
$83.1M Buy
+4,911,539
New +$88.3M 16.66% 2

Other funds holding ZBIO

SR One Capital Management's ZBIO Position: Q2 2026 in Review

SR One Capital Management held its Zenas BioPharma (ZBIO) position steady in Q2 2026 at 5,037,854 shares worth $128M. The position accounts for 12.31% of the portfolio, ranked #2.

SR One Capital Management first reported a position in ZBIO in Q3 2024 and has held it in 8 quarters since. The position peaked at $183M in Q4 2025. 144 funds tracked by Wall St. Rank hold ZBIO as of Q2 2026.

  • SR One Capital Management held 5,037,854 shares of Zenas BioPharma worth $128M as of Q2 2026.
  • SR One Capital Management left its Zenas BioPharma share count unchanged in Q2 2026.
  • Zenas BioPharma made up 12.31% of SR One Capital Management's portfolio in Q2 2026, its #2 holding.
  • SR One Capital Management first reported a position in Zenas BioPharma in Q3 2024 and has held it in 8 quarters since.
  • SR One Capital Management's Zenas BioPharma position peaked at $183M in Q4 2025.
  • 144 funds tracked by Wall St. Rank held Zenas BioPharma as of Q2 2026.

Based on SR One Capital Management's 13F filing for Q2 2026, filed 12 Aug 2026.