Jane Street
IBO

Jane Street’s Impact BioMedical IBO Stock Holding History

Jane Street’s Portfolio IBO Stock Details IBO Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$11.3K Buy
+24,528
New +$14.5K ﹤0.01% 11291
2026
Q1 		– Sell
-14,086
Closed -$7.11K – 13309
2025
Q4 		$7.11K Buy
+14,086
New +$7.45K ﹤0.01% 10883
2024
Q4 		– Sell
-13,361
Closed -$26.7K – 10858
2024
Q3 		$26.7K Buy
+13,361
New +$31.6K ﹤0.01% 9261

Other funds holding IBO

Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Vanguard Fiduciary Trust
Vanguard Fiduciary Trust Malvern, Pennsylvania $454B AUM
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Northern Trust
Northern Trust Chicago, Illinois $860B AUM 41.15% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $875B AUM 40.89% 1-Year Est. Return
Vanguard Global Advisers
Vanguard Global Advisers Malvern, Pennsylvania $215B AUM
Two Sigma Investments
Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return
MAC
Mason & Associates (California) Los Angeles, California $619M AUM 29.44% 1-Year Est. Return

Jane Street's IBO Position: Q2 2026 in Review

Jane Street opened a new position in Impact BioMedical (IBO) in Q2 2026: 24,528 shares worth $11.3K. The stake represents ﹤0.01% of the portfolio and ranks #11291 among its holdings. This is a return to the name: Jane Street previously reported a position in IBO as recently as Q4 2025.

Jane Street first reported a position in IBO in Q3 2024 and has held it in 3 quarters since. The position peaked at $26.7K in Q3 2024. 22 funds tracked by Wall St. Rank hold IBO as of Q2 2026.

  • Jane Street held 24,528 shares of Impact BioMedical worth $11.3K as of Q2 2026.
  • Impact BioMedical was a new Jane Street position in Q2 2026.
  • Impact BioMedical made up ﹤0.01% of Jane Street's portfolio in Q2 2026, its #11291 holding.
  • Jane Street first reported a position in Impact BioMedical in Q3 2024 and has held it in 3 quarters since.
  • Jane Street's Impact BioMedical position peaked at $26.7K in Q3 2024.
  • 22 funds tracked by Wall St. Rank held Impact BioMedical as of Q2 2026.

Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.