Jane Street’s Simpson Manufacturing SSD Stock Holding History

Jane Street’s Portfolio SSD Stock Details SSD Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-3,400	Closed	-$549K	–	12922
2025 Q4	$549K	Sell	3,400 -3,300	-49%	-$558K	﹤0.01%	7463
2025 Q3	$1.12M	Buy	+6,700	New	+$1.2M	﹤0.01%	6076
2024 Q4	–	Sell	-4,200	Closed	-$803K	–	10533
2024 Q3	$803K	Buy	+4,200	New	+$754K	﹤0.01%	6307
2022 Q4	–	Sell	-22,200	Closed	-$1.74M	–	10103
2022 Q3	$1.74M	Buy	+22,200	New	+$2.15M	﹤0.01%	4432
2021 Q1	–	Sell	-12,100	Closed	-$1.13M	–	9574
2020 Q4	$1.13M	Buy	+12,100	New	+$1.12M	﹤0.01%	4441

Other funds holding SSD

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Kayne Anderson Rudnick Investment Management Los Angeles, California $34B AUM 6.31% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

ValueAct Holdings San Francisco, California $5.71B AUM 7.41% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

BAAM

Baker Avenue Asset Management San Francisco, California $5.28B AUM 39.19% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

Jane Street's SSD Position: Q1 2026 in Review

Jane Street increased its Simpson Manufacturing (SSD) stake by 22% in Q1 2026, buying an estimated $2.63M and bringing the position to 80,499 shares worth $13.8M. The position accounts for ﹤0.01% of the portfolio, ranked #2153.

Jane Street first reported a position in SSD in Q3 2013 and has held it in 27 quarters since. The position peaked at $43.5M in Q2 2024. 460 funds tracked by Wall St. Rank hold SSD as of Q1 2026.

Jane Street held 80,499 shares of Simpson Manufacturing worth $13.8M as of Q1 2026.
Jane Street bought 14,245 Simpson Manufacturing shares in Q1 2026, an estimated $2.63M.
Simpson Manufacturing made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #2153 holding.
Jane Street first reported a position in Simpson Manufacturing in Q3 2013 and has held it in 27 quarters since.
Jane Street's Simpson Manufacturing position peaked at $43.5M in Q2 2024.
460 funds tracked by Wall St. Rank held Simpson Manufacturing as of Q1 2026.

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