Simplex Trading’s Perimeter Solutions PRM Stock Holding History

Simplex Trading’s Portfolio PRM Stock Details PRM Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$89.1K	Sell	2,500 -1,400	-36%	-$43.7K	﹤0.01%	5702
2026 Q1	$95.2K	Sell	3,900 -200	-5%	-$5.1K	﹤0.01%	5142
2025 Q4	$113K	Sell	4,100 -6,000	-59%	-$152K	﹤0.01%	4876
2025 Q3	$226K	Sell	10,100 -1,800	-15%	-$34.1K	﹤0.01%	4791
2025 Q2	$165K	Sell	11,900 -8,500	-42%	-$98.1K	﹤0.01%	4713
2025 Q1	$205K	Buy	20,400 +16,800	+467%	+$188K	﹤0.01%	4297
2024 Q4	$46K	Sell	3,600 -34,400	-91%	-$449K	﹤0.01%	5969
2024 Q3	$511K	Buy	38,000 +35,800	+1,627%	+$371K	﹤0.01%	3571
2024 Q2	$17K	Sell	2,200 -1,600	-42%	-$12K	﹤0.01%	7043
2024 Q1	$28K	Buy	3,800 +1,600	+73%	+$8.61K	﹤0.01%	6815
2023 Q4	$10K	Sell	2,200 -600	-21%	-$2.3K	﹤0.01%	7446
2023 Q3	$12K	Buy	+2,800	New	+$15.6K	﹤0.01%	7061

Other funds holding PRM

WPL

WINDACRE PARTNERSHIP LLC Houston, Texas $10.1B AUM 10.46% 1-Year Est. Return

Principal Financial Group Des Moines, Iowa $204B AUM 27.99% 1-Year Est. Return

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

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

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

Jupiter Topco New York $245B AUM

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

DDC

DF Dent & Co Baltimore, Maryland $5.27B AUM 7.89% 1-Year Est. Return

Simplex Trading's PRM Position: Q2 2026 in Review

Simplex Trading increased its Perimeter Solutions (PRM) stake by 359% in Q2 2026, buying an estimated $221K and bringing the position to 9,058 shares worth $323K. The position accounts for ﹤0.01% of the portfolio, ranked #4138.

Simplex Trading first reported a position in PRM in Q3 2022 and has held it in 11 quarters since. The position peaked at $960K in Q4 2025. 311 funds tracked by Wall St. Rank hold PRM as of Q2 2026.

Simplex Trading held 9,058 shares of Perimeter Solutions worth $323K as of Q2 2026.
Simplex Trading bought 7,086 Perimeter Solutions shares in Q2 2026, an estimated $221K.
Perimeter Solutions made up ﹤0.01% of Simplex Trading's portfolio in Q2 2026, its #4138 holding.
Simplex Trading first reported a position in Perimeter Solutions in Q3 2022 and has held it in 11 quarters since.
Simplex Trading's Perimeter Solutions position peaked at $960K in Q4 2025.
311 funds tracked by Wall St. Rank held Perimeter Solutions as of Q2 2026.

Based on Simplex Trading's 13F filing for Q2 2026, filed 12 Aug 2026.