XTX Topco’s Simpson Manufacturing SSD Stock Holding History

XTX Topco’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	$493K	Buy	+2,871	New	+$529K	0.01%	2065
2025 Q4	–	Sell	-2,059	Closed	-$345K	–	3775
2025 Q3	$345K	Buy	+2,059	New	+$368K	0.02%	1402
2025 Q2	–	Sell	-7,122	Closed	-$1.12M	–	3119
2025 Q1	$1.12M	Buy	+7,122	New	+$1.17M	0.06%	498
2024 Q4	–	Sell	-6,497	Closed	-$1.24M	–	2901
2024 Q3	$1.24M	Sell	6,497 -1,591	-20%	-$286K	0.09%	331
2024 Q2	$1.36M	Buy	+8,088	New	+$1.42M	0.12%	252
2023 Q4	–	Sell	-2,236	Closed	-$335K	–	2112
2023 Q3	$335K	Buy	+2,236	New	+$340K	0.06%	653
2021 Q4	–	Sell	-2,523	Closed	-$270K	–	981
2021 Q3	$270K	Buy	+2,523	New	+$279K	0.09%	376

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 $4.43B AUM 26.6% 1-Year Est. Return

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

XTX Topco's SSD Position: Q1 2026 in Review

XTX Topco opened a new position in Simpson Manufacturing (SSD) in Q1 2026: 2,871 shares worth $493K. The stake represents 0.01% of the portfolio and ranks #2065 among its holdings. This is a return to the name: XTX Topco previously reported a position in SSD as recently as Q3 2025.

XTX Topco first reported a position in SSD in Q3 2021 and has held it in 7 quarters since. The position peaked at $1.36M in Q2 2024. 460 funds tracked by Wall St. Rank hold SSD as of Q1 2026.

XTX Topco held 2,871 shares of Simpson Manufacturing worth $493K as of Q1 2026.
Simpson Manufacturing was a new XTX Topco position in Q1 2026.
Simpson Manufacturing made up 0.01% of XTX Topco's portfolio in Q1 2026, its #2065 holding.
XTX Topco first reported a position in Simpson Manufacturing in Q3 2021 and has held it in 7 quarters since.
XTX Topco's Simpson Manufacturing position peaked at $1.36M in Q2 2024.
460 funds tracked by Wall St. Rank held Simpson Manufacturing as of Q1 2026.

Based on XTX Topco's 13F filing for Q1 2026, filed 15 May 2026.