Jane Street’s Pulmatrix PULM Stock Holding History

Jane Street’s Portfolio PULM Stock Details PULM Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	–	Sell	-14,584	Closed	-$18.8K	–	12818
2026 Q1	$18.8K	Buy	+14,584	New	+$34.6K	﹤0.01%	11202
2019 Q2	–	Sell	-763	Closed	-$19K	–	5612
2019 Q1	$19K	Buy	+763	New	+$25.5K	﹤0.01%	4906

Other funds holding PULM

Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

SBI Securities Tokyo, Japan $4.4B AUM 74.26% 1-Year Est. Return

Shay Capital New York $1.56B AUM 46.17% 1-Year Est. Return

Vanguard Fiduciary Trust Malvern, Pennsylvania $454B AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

XTX Topco George Town, Cayman Islands $7.72B AUM 32.88% 1-Year Est. Return

UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return

Jane Street's PULM Position: Q2 2026 in Review

Jane Street sold out of Pulmatrix (PULM) in Q2 2026, closing a stake of 14,584 shares — an estimated $18.8K sold.

Jane Street first reported a position in PULM in Q1 2019 and held it in 2 quarters. The position peaked at $19K in Q1 2019. 15 funds tracked by Wall St. Rank hold PULM as of Q2 2026.

Jane Street reported no remaining Pulmatrix position as of Q2 2026 after selling out during the quarter.
Jane Street sold 14,584 Pulmatrix shares in Q2 2026, an estimated $18.8K.
Jane Street first reported a position in Pulmatrix in Q1 2019 and held it in 2 quarters.
Jane Street's Pulmatrix position peaked at $19K in Q1 2019.
15 funds tracked by Wall St. Rank held Pulmatrix as of Q2 2026.

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