Jim Simons
IBIO icon

Jim Simons’s iBio IBIO Stock Holding History

Jim Simons’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 		– Sell
-353,339
Closed -$682K – 3444
2025
Q4 		$682K Buy
+353,339
New +$482K ﹤0.01% 2452
2024
Q2 		– Sell
-15,879
Closed -$64K – 3710
2024
Q1 		$64K Buy
+15,879
New +$20K ﹤0.01% 3446
2023
Q3 		– Sell
-2,305
Closed -$28K – 3859
2023
Q2 		$28K Sell
2,305
-1,090
-32% -$20.6K ﹤0.01% 3716
2023
Q1 		$141K Sell
3,395
-15,685
-82% -$404K ﹤0.01% 3388
2022
Q4 		$170K Buy
19,080
+16,504
+641% +$558K ﹤0.01% 3473
2022
Q3 		$219K Buy
2,576
+273
+12% +$37.6K ﹤0.01% 3349
2022
Q2 		$304K Buy
2,303
+1,433
+165% +$215K ﹤0.01% 3453
2022
Q1 		$186K Buy
+870
New +$182K ﹤0.01% 3667
2021
Q4 		– Sell
-303
Closed -$161K – 4041
2021
Q3 		$161K Buy
+303
New +$189K ﹤0.01% 3250
2020
Q2 		– Sell
-80
Closed -$42K – 3581
2020
Q1 		$42K Buy
+80
New +$30.8K ﹤0.01% 3339
2019
Q4 		– Sell
-80
Closed -$22K – 3600
2019
Q3 		$22K Buy
+80
New +$26.9K ﹤0.01% 3373
2015
Q1 		– Sell
-94
Closed -$321K – 3250
2014
Q4 		$321K Buy
+94
New +$502K ﹤0.01% 2560

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

Jim Simons's IBIO Position: Q1 2026 in Review

Jim Simons sold out of iBio (IBIO) in Q1 2026, closing a stake of 353,339 shares — an estimated $682K sold.

Jim Simons first reported a position in IBIO in Q4 2014 and held it in 12 quarters. The position peaked at $682K in Q4 2025. 52 funds tracked by Wall St. Rank hold IBIO as of Q1 2026.

  • Jim Simons reported no remaining iBio position as of Q1 2026 after selling out during the quarter.
  • Jim Simons sold 353,339 iBio shares in Q1 2026, an estimated $682K.
  • Jim Simons first reported a position in iBio in Q4 2014 and held it in 12 quarters.
  • Jim Simons's iBio position peaked at $682K in Q4 2025.
  • 52 funds tracked by Wall St. Rank held iBio as of Q1 2026.

Based on Renaissance Technologies's 13F filing for Q1 2026, filed 14 May 2026.