Jane Street’s BondBloxx IR+M Tax-Aware ETF for Massachusetts Residents TAXM Stock Holding History

Jane Street’s Portfolio TAXM Stock Details TAXM Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-18,988	Closed	-$954K	–	13421
2025 Q4	$954K	Buy	18,988 +8,600	+83%	+$433K	﹤0.01%	6218
2025 Q3	$521K	Sell	10,388 -6,827	-40%	-$336K	﹤0.01%	7780
2025 Q2	$847K	Sell	17,215 -3,136	-15%	-$154K	﹤0.01%	5933
2025 Q1	$1.01M	Buy	+20,351	New	+$1.01M	﹤0.01%	5555

Other funds holding TAXM

IRM

Income Research & Management Boston, Massachusetts $184B AUM 0.09% 1-Year Est. Return

PSA

Plum Street Advisors New Orleans, Louisiana $289M AUM 17.28% 1-Year Est. Return

Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return

TWM

Tanager Wealth Management Goring On Thames, United Kingdom $1.15B AUM 19.91% 1-Year Est. Return

Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return

Claro Advisors Boston, Massachusetts $953M AUM 24.79% 1-Year Est. Return

1IA

1620 Investment Advisors Plymouth, Massachusetts $161M AUM 30.15% 1-Year Est. Return

Jane Street's TAXM Position: Q1 2026 in Review

Jane Street sold out of BondBloxx IR+M Tax-Aware ETF for Massachusetts Residents (TAXM) in Q1 2026, closing a stake of 18,988 shares — an estimated $954K sold.

Jane Street first reported a position in TAXM in Q1 2025 and held it in 4 quarters. The position peaked at $1.01M in Q1 2025. 7 funds tracked by Wall St. Rank hold TAXM as of Q1 2026.

Jane Street reported no remaining BondBloxx IR+M Tax-Aware ETF for Massachusetts Residents position as of Q1 2026 after selling out during the quarter.
Jane Street sold 18,988 BondBloxx IR+M Tax-Aware ETF for Massachusetts Residents shares in Q1 2026, an estimated $954K.
Jane Street first reported a position in BondBloxx IR+M Tax-Aware ETF for Massachusetts Residents in Q1 2025 and held it in 4 quarters.
Jane Street's BondBloxx IR+M Tax-Aware ETF for Massachusetts Residents position peaked at $1.01M in Q1 2025.
7 funds tracked by Wall St. Rank held BondBloxx IR+M Tax-Aware ETF for Massachusetts Residents as of Q1 2026.

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