Jane Street’s Ionic Inflation Protection ETF CPII Stock Holding History

Jane Street’s Portfolio CPII Stock Details CPII Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$313K	Buy	16,303 +2,146	+15%	+$40.8K	﹤0.01%	9147
2025 Q4	$267K	Buy	+14,157	New	+$270K	﹤0.01%	9092
2025 Q2	–	Sell	-102,439	Closed	-$2.01M	–	9779
2025 Q1	$2.01M	Buy	102,439 +68,692	+204%	+$1.33M	﹤0.01%	4346
2024 Q4	$646K	Sell	33,747 -6,909	-17%	-$135K	﹤0.01%	6224
2024 Q3	$783K	Sell	40,656 -10,825	-21%	-$208K	﹤0.01%	6364
2024 Q2	$1M	Buy	51,481 +7,628	+17%	+$150K	﹤0.01%	5762
2024 Q1	$858K	Sell	43,853 -2,469	-5%	-$48K	﹤0.01%	5688
2023 Q4	$883K	Buy	46,322 +24,319	+111%	+$484K	﹤0.01%	5772
2023 Q3	$442K	Buy	+22,003	New	+$436K	﹤0.01%	6477
2022 Q4	–	Sell	-15,110	Closed	-$298K	–	9257
2022 Q3	$298K	Buy	+15,110	New	+$304K	﹤0.01%	7603

Other funds holding CPII

UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return

Jane Street's CPII Position: Q1 2026 in Review

Jane Street increased its Ionic Inflation Protection ETF (CPII) stake by 15% in Q1 2026, buying an estimated $40.8K and bringing the position to 16,303 shares worth $313K. The position accounts for ﹤0.01% of the portfolio, ranked #9147.

Jane Street first reported a position in CPII in Q3 2022 and has held it in 10 quarters since. The position peaked at $2.01M in Q1 2025. 2 funds tracked by Wall St. Rank hold CPII as of Q1 2026.

Jane Street held 16,303 shares of Ionic Inflation Protection ETF worth $313K as of Q1 2026.
Jane Street bought 2,146 Ionic Inflation Protection ETF shares in Q1 2026, an estimated $40.8K.
Ionic Inflation Protection ETF made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #9147 holding.
Jane Street first reported a position in Ionic Inflation Protection ETF in Q3 2022 and has held it in 10 quarters since.
Jane Street's Ionic Inflation Protection ETF position peaked at $2.01M in Q1 2025.
2 funds tracked by Wall St. Rank held Ionic Inflation Protection ETF as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.