Group One Trading’s System1 SST Stock Holding History

Group One Trading’s Portfolio SST Stock Details SST Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$673	Sell	223 -440	-66%	-$1.48K	﹤0.01%	7281
2025 Q4	$2.6K	Sell	663 -58	-8%	-$300	﹤0.01%	7455
2025 Q3	$5.08K	Sell	721 -1,353	-65%	-$9.35K	﹤0.01%	7536
2025 Q2	$11.5K	Sell	2,074 -25	-1%	-$111	﹤0.01%	6632
2025 Q1	$8K	Buy	+2,099	New	+$12.9K	﹤0.01%	6398
2024 Q1	–	Sell	-6,587	Closed	-$112K	–	7930
2023 Q4	$146K	Buy	+6,587	New	+$97.5K	﹤0.01%	4147
2023 Q3	–	Sell	-2,397	Closed	-$57.4K	–	8261
2023 Q2	$108K	Buy	2,397 +121	+5%	+$4.58K	﹤0.01%	4540
2023 Q1	$97.9K	Buy	2,276 +372	+20%	+$16.5K	﹤0.01%	4325
2022 Q4	$89.3K	Sell	1,904 -3,005	-61%	-$154K	﹤0.01%	4527
2022 Q3	$309K	Buy	+4,909	New	+$428K	﹤0.01%	3707

Other funds holding SST

Cannae Holdings Las Vegas, Nevada $134M AUM 85.46% 1-Year Est. Return

Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return

Cerity Partners New York $70.8B AUM 21.68% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Millennium Management New York $240B AUM 35.51% 1-Year Est. Return

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

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

NMC

Nine Masts Capital Central, Hong Kong $995M AUM 22.79% 1-Year Est. Return

Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return

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

Group One Trading's SST Position: Q1 2026 in Review

Group One Trading reduced its System1 (SST) stake by 66% in Q1 2026, selling an estimated $1.48K and leaving 223 shares worth $673. The position accounts for ﹤0.01% of the portfolio, ranked #7281.

Group One Trading first reported a position in SST in Q3 2022 and has held it in 10 quarters since. The position peaked at $309K in Q3 2022. 25 funds tracked by Wall St. Rank hold SST as of Q1 2026.

Group One Trading held 223 shares of System1 worth $673 as of Q1 2026.
Group One Trading sold 440 System1 shares in Q1 2026, an estimated $1.48K.
System1 made up ﹤0.01% of Group One Trading's portfolio in Q1 2026, its #7281 holding.
Group One Trading first reported a position in System1 in Q3 2022 and has held it in 10 quarters since.
Group One Trading's System1 position peaked at $309K in Q3 2022.
25 funds tracked by Wall St. Rank held System1 as of Q1 2026.

Based on Group One Trading's 13F filing for Q1 2026, filed 13 May 2026.