XT
IBIO icon

XTX Topco’s iBio IBIO Stock Holding History

XTX Topco’s Portfolio IBIO Stock Details IBIO Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$119K Buy
62,451
+25,437
+69% +$59K ﹤0.01% 3048
2025
Q4 		$71.4K Buy
+37,014
New +$50.5K ﹤0.01% 2738
2021
Q2 		– Sell
-72
Closed -$55K – 937
2021
Q1 		$55K Buy
+72
New +$62.7K 0.03% 615

Other funds holding IBIO

AAA
Affinity Asset Advisors New York $1.94B AUM 374.45% 1-Year Est. Return
FLSM
Frazier Life Sciences Management Palo Alto, California $3.89B AUM 201.1% 1-Year Est. Return
EC
EcoR1 Capital San Francisco, California $2.36B AUM 204.53% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
LGM
Logos Global Management San Francisco, California $2B AUM 444.09% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Balyasny Asset Management
Balyasny Asset Management Chicago, Illinois $77.1B AUM 42.89% 1-Year Est. Return
IC
Ikarian Capital Dallas, Texas $1.23B AUM 600.17% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return
SCM
Sio Capital Management New York $697M AUM 79.73% 1-Year Est. Return

XTX Topco's IBIO Position: Q1 2026 in Review

XTX Topco increased its iBio (IBIO) stake by 69% in Q1 2026, buying an estimated $59K and bringing the position to 62,451 shares worth $119K. The position accounts for ﹤0.01% of the portfolio, ranked #3048.

XTX Topco first reported a position in IBIO in Q1 2021 and has held it in 3 quarters since. 52 funds tracked by Wall St. Rank hold IBIO as of Q1 2026.

  • XTX Topco held 62,451 shares of iBio worth $119K as of Q1 2026.
  • XTX Topco bought 25,437 iBio shares in Q1 2026, an estimated $59K.
  • iBio made up ﹤0.01% of XTX Topco's portfolio in Q1 2026, its #3048 holding.
  • XTX Topco first reported a position in iBio in Q1 2021 and has held it in 3 quarters since.
  • 52 funds tracked by Wall St. Rank held iBio as of Q1 2026.

Based on XTX Topco's 13F filing for Q1 2026, filed 15 May 2026.