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Two Sigma Securities’s iBio IBIO Stock Holding History

Two Sigma Securities’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 		$28.3K Buy
+16,151
New +$28.9K ﹤0.01% 1450
2025
Q4 		– Sell
-45,079
Closed -$37.3K – 1721
2025
Q3 		$37.3K Buy
45,079
+16,517
+58% +$12.7K 0.01% 1032
2025
Q2 		$21.8K Buy
+28,562
New +$31K ﹤0.01% 1196
2023
Q1 		– Sell
-1,679
Closed -$14.9K – 2930
2022
Q4 		$14.9K Buy
+1,679
New +$56.8K ﹤0.01% 2308
2022
Q3 		– Sell
-79
Closed -$10K – 2824
2022
Q2 		$10K Buy
+79
New +$11.9K ﹤0.01% 2052
2022
Q1 		– Sell
-35
Closed -$10K – 2282
2021
Q4 		$10K Buy
35
+2
+6% +$763 ﹤0.01% 1476
2021
Q3 		$17K Buy
+33
New +$20.6K ﹤0.01% 1468
2019
Q3 		– Sell
-45
Closed -$16K – 2229
2019
Q2 		$16K Buy
45
+11
+32% +$4.44K ﹤0.01% 1967
2019
Q1 		$15K Buy
+34
New +$14.8K ﹤0.01% 1695
2018
Q4 		– Sell
-38
Closed -$16K – 2449
2018
Q3 		$16K Buy
+38
New +$15.4K ﹤0.01% 2467
2018
Q2 		– Sell
-10
Closed -$11K – 2794
2018
Q1 		$11K Buy
10
+2
+25% +$2.1K ﹤0.01% 2604
2017
Q4 		$7K Sell
8
-13
-62% -$16.7K ﹤0.01% 1685
2017
Q3 		$34K Buy
21
+18
+600% +$29K ﹤0.01% 778
2017
Q2 		$7K Sell
3
-3
-50% -$5.88K ﹤0.01% 818
2017
Q1 		$12K Buy
+6
New +$12.5K ﹤0.01% 858
2015
Q4 		– Sell
-5
Closed -$15K – 320
2015
Q3 		$15K Buy
+5
New +$18.5K 0.02% 188

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

Two Sigma Securities's IBIO Position: Q2 2026 in Review

Two Sigma Securities opened a new position in iBio (IBIO) in Q2 2026: 16,151 shares worth $28.3K. The stake represents ﹤0.01% of the portfolio and ranks #1450 among its holdings. This is a return to the name: Two Sigma Securities previously reported a position in IBIO as recently as Q3 2025.

Two Sigma Securities first reported a position in IBIO in Q3 2015 and has held it in 16 quarters since. The position peaked at $37.3K in Q3 2025. 55 funds tracked by Wall St. Rank hold IBIO as of Q2 2026.

  • Two Sigma Securities held 16,151 shares of iBio worth $28.3K as of Q2 2026.
  • iBio was a new Two Sigma Securities position in Q2 2026.
  • iBio made up ﹤0.01% of Two Sigma Securities's portfolio in Q2 2026, its #1450 holding.
  • Two Sigma Securities first reported a position in iBio in Q3 2015 and has held it in 16 quarters since.
  • Two Sigma Securities's iBio position peaked at $37.3K in Q3 2025.
  • 55 funds tracked by Wall St. Rank held iBio as of Q2 2026.

Based on Two Sigma Securities's 13F filing for Q2 2026, filed 14 Aug 2026.