Jackson Square Partners’s Simpson Manufacturing SSD Stock Holding History

Jackson Square Partners’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
2025 Q4	–	Sell	-12,613	Closed	-$2.11M	–	39
2025 Q3	$2.11M	Sell	12,613 -3,560	-22%	-$637K	0.85%	42
2025 Q2	$2.51M	Sell	16,173 -80,893	-83%	-$12.5M	0.93%	48
2025 Q1	$15.2M	Sell	97,066 -19,557	-17%	-$3.21M	2.05%	27
2024 Q4	$19.3M	Sell	116,623 -23,325	-17%	-$4.27M	2.01%	28
2024 Q3	$26.8M	Buy	+139,948	New	+$25.1M	2.31%	17

Other funds holding SSD

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

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

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

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

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

ValueAct Holdings San Francisco, California $5.71B AUM 7.41% 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 $4.43B AUM 26.6% 1-Year Est. Return

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

QCM

Quantinno Capital Management New York $59.9B AUM 28.07% 1-Year Est. Return

Jackson Square Partners's SSD Position: Q4 2025 in Review

Jackson Square Partners sold out of Simpson Manufacturing (SSD) in Q4 2025, closing a stake of 12,613 shares — an estimated $2.11M sold.

Jackson Square Partners first reported a position in SSD in Q3 2024 and held it in 5 quarters. The position peaked at $26.8M in Q3 2024. 437 funds tracked by Wall St. Rank hold SSD as of Q4 2025.

Jackson Square Partners reported no remaining Simpson Manufacturing position as of Q4 2025 after selling out during the quarter.
Jackson Square Partners sold 12,613 Simpson Manufacturing shares in Q4 2025, an estimated $2.11M.
Jackson Square Partners first reported a position in Simpson Manufacturing in Q3 2024 and held it in 5 quarters.
Jackson Square Partners's Simpson Manufacturing position peaked at $26.8M in Q3 2024.
437 funds tracked by Wall St. Rank held Simpson Manufacturing as of Q4 2025.

Based on Jackson Square Partners's 13F filing for Q4 2025.