Jane Street’s SoundThinking SSTI Stock Holding History

Jane Street’s Portfolio SSTI Stock Details SSTI Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-124,000	Closed	-$996K	–	12924
2025 Q4	$996K	Sell	124,000 -116,800	-49%	-$1.02M	﹤0.01%	6127
2025 Q3	$2.9M	Sell	240,800 -200	-0.1%	-$2.48K	﹤0.01%	4282
2025 Q2	$3.15M	Buy	241,000 +221,600	+1,142%	+$3.46M	﹤0.01%	3678
2025 Q1	$329K	Buy	+19,400	New	+$287K	﹤0.01%	7637

Other funds holding SSTI

VCM

Veradace Capital Management Dallas, Texas $112M AUM

KAM

Kopion Asset Management Mckinney, Texas $158M AUM 11.93% 1-Year Est. Return

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

Federated Hermes Pittsburgh, Pennsylvania $61.5B AUM 30.7% 1-Year Est. Return

RHJA

Rice Hall James & Associates San Diego, California $1.8B AUM 36.16% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

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

QCM

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

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

DGI

Disciplined Growth Investors Minneapolis, Minnesota $4.89B AUM 33.85% 1-Year Est. Return

Jane Street's SSTI Position: Q1 2026 in Review

Jane Street reduced its SoundThinking (SSTI) stake by 26% in Q1 2026, selling an estimated $122K and leaving 47,396 shares worth $314K. The position accounts for ﹤0.01% of the portfolio, ranked #9144.

Jane Street first reported a position in SSTI in Q4 2023 and has held it in 6 quarters since. The position peaked at $514K in Q4 2025. 89 funds tracked by Wall St. Rank hold SSTI as of Q1 2026.

Jane Street held 47,396 shares of SoundThinking worth $314K as of Q1 2026.
Jane Street sold 16,637 SoundThinking shares in Q1 2026, an estimated $122K.
SoundThinking made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #9144 holding.
Jane Street first reported a position in SoundThinking in Q4 2023 and has held it in 6 quarters since.
Jane Street's SoundThinking position peaked at $514K in Q4 2025.
89 funds tracked by Wall St. Rank held SoundThinking as of Q1 2026.

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