Jane Street’s IB Acquisition Corp IBAC Stock Holding History

Jane Street’s Portfolio IBAC Stock Details IBAC Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$220K	Buy	20,436 +63	+0.3%	+$679	﹤0.01%	9907
2026 Q1	$217K	Buy	+20,373	New	+$217K	﹤0.01%	9958
2025 Q3	–	Sell	-12,868	Closed	-$135K	–	11981
2025 Q2	$135K	Buy	+12,868	New	+$134K	﹤0.01%	8815

Other funds holding IBAC

HRT Financial New York $54.8B AUM 81.03% 1-Year Est. Return

FTUS

Flow Traders U.S. New York $2.43B AUM 44.44% 1-Year Est. Return

Clear Street New York $39.5B AUM 124.03% 1-Year Est. Return

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Jane Street's IBAC Position: Q2 2026 in Review

Jane Street increased its IB Acquisition Corp (IBAC) stake by 0.31% in Q2 2026, buying an estimated $679 and bringing the position to 20,436 shares worth $220K. The position accounts for ﹤0.01% of the portfolio, ranked #9907.

Jane Street first reported a position in IBAC in Q2 2025 and has held it in 3 quarters since. 5 funds tracked by Wall St. Rank hold IBAC as of Q2 2026.

Jane Street held 20,436 shares of IB Acquisition Corp worth $220K as of Q2 2026.
Jane Street bought 63 IB Acquisition Corp shares in Q2 2026, an estimated $679.
IB Acquisition Corp made up ﹤0.01% of Jane Street's portfolio in Q2 2026, its #9907 holding.
Jane Street first reported a position in IB Acquisition Corp in Q2 2025 and has held it in 3 quarters since.
5 funds tracked by Wall St. Rank held IB Acquisition Corp as of Q2 2026.

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