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Sio Capital Management’s iBio IBIO Stock Holding History

Sio Capital Management’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 		$1.58M Hold
904,268
– – 0.26% 48
2026
Q1 		$1.72M Buy
904,268
+164,268
+22% +$381K 0.25% 57
2025
Q4 		$1.43M Buy
+740,000
New +$1.01M 0.22% 53

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

Sio Capital Management's IBIO Position: Q2 2026 in Review

Sio Capital Management held its iBio (IBIO) position steady in Q2 2026 at 904,268 shares worth $1.58M. The position accounts for 0.26% of the portfolio, ranked #48.

Sio Capital Management first reported a position in IBIO in Q4 2025 and has held it in 3 quarters since. The position peaked at $1.72M in Q1 2026. 55 funds tracked by Wall St. Rank hold IBIO as of Q2 2026.

  • Sio Capital Management held 904,268 shares of iBio worth $1.58M as of Q2 2026.
  • Sio Capital Management left its iBio share count unchanged in Q2 2026.
  • iBio made up 0.26% of Sio Capital Management's portfolio in Q2 2026, its #48 holding.
  • Sio Capital Management first reported a position in iBio in Q4 2025 and has held it in 3 quarters since.
  • Sio Capital Management's iBio position peaked at $1.72M in Q1 2026.
  • 55 funds tracked by Wall St. Rank held iBio as of Q2 2026.

Based on Sio Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.