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 $132M AUM

KAM

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

RHJA

Rice Hall James & Associates San Diego, California $2.05B AUM 43.16% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

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

AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return

QCM

Quantinno Capital Management New York $83.3B AUM 37.97% 1-Year Est. Return

PIM

Pullen Investment Management Bradenton, Florida $216M AUM 32.94% 1-Year Est. Return

Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

Marshall Wace London, United Kingdom $127B AUM 46.06% 1-Year Est. Return

Jane Street's SSTI Position: Q2 2026 in Review

Jane Street increased its SoundThinking (SSTI) stake by 193% in Q2 2026, buying an estimated $653K and bringing the position to 138,821 shares worth $1.26M. The position accounts for ﹤0.01% of the portfolio, ranked #6061.

Jane Street first reported a position in SSTI in Q4 2023 and has held it in 7 quarters since. 77 funds tracked by Wall St. Rank hold SSTI as of Q2 2026.

Jane Street held 138,821 shares of SoundThinking worth $1.26M as of Q2 2026.
Jane Street bought 91,425 SoundThinking shares in Q2 2026, an estimated $653K.
SoundThinking made up ﹤0.01% of Jane Street's portfolio in Q2 2026, its #6061 holding.
Jane Street first reported a position in SoundThinking in Q4 2023 and has held it in 7 quarters since.
77 funds tracked by Wall St. Rank held SoundThinking as of Q2 2026.

Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.