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
Q2 		$101K Sell
57,842
-4,609
-7% -$8.24K ﹤0.01% 3529
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 $2.21B AUM 431.26% 1-Year Est. Return
CAM
Cormorant Asset Management Boston, Massachusetts $1.95B AUM 773.9% 1-Year Est. Return
SCM
Silverarc Capital Management Boston, Massachusetts $962M AUM 524.64% 1-Year Est. Return
VPC
Vestal Point Capital New York $4.28B AUM 239% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
FLSM
Frazier Life Sciences Management Palo Alto, California $4.59B AUM 237.58% 1-Year Est. Return
Ensign Peak Advisors
Ensign Peak Advisors Salt Lake City, Utah $60.8B AUM 42.06% 1-Year Est. Return
WP
Woodline Partners San Francisco, California $32.4B AUM 58.5% 1-Year Est. Return
Millennium Management
Millennium Management New York $276B AUM 44.8% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $875B AUM 40.89% 1-Year Est. Return

XTX Topco's IBIO Position: Q2 2026 in Review

XTX Topco reduced its iBio (IBIO) stake by 7.4% in Q2 2026, selling an estimated $8.24K and leaving 57,842 shares worth $101K. The position accounts for ﹤0.01% of the portfolio, ranked #3529.

XTX Topco first reported a position in IBIO in Q1 2021 and has held it in 4 quarters since. The position peaked at $119K in Q1 2026. 55 funds tracked by Wall St. Rank hold IBIO as of Q2 2026.

  • XTX Topco held 57,842 shares of iBio worth $101K as of Q2 2026.
  • XTX Topco sold 4,609 iBio shares in Q2 2026, an estimated $8.24K.
  • iBio made up ﹤0.01% of XTX Topco's portfolio in Q2 2026, its #3529 holding.
  • XTX Topco first reported a position in iBio in Q1 2021 and has held it in 4 quarters since.
  • XTX Topco's iBio position peaked at $119K in Q1 2026.
  • 55 funds tracked by Wall St. Rank held iBio as of Q2 2026.

Based on XTX Topco's 13F filing for Q2 2026, filed 14 Aug 2026.