Jane Street’s Jiayin Group JFIN Stock Holding History

Jane Street’s Portfolio JFIN Stock Details JFIN Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-15,800	Closed	-$91.6K	–	12293
2025 Q4	$91.6K	Sell	15,800 -5,700	-27%	-$48K	﹤0.01%	10230
2025 Q3	$222K	Sell	21,500 -3,800	-15%	-$51.8K	﹤0.01%	9471
2025 Q2	$405K	Buy	25,300 +12,100	+92%	+$164K	﹤0.01%	7321
2025 Q1	$181K	Buy	+13,200	New	+$124K	﹤0.01%	8520

Other funds holding JFIN

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

Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return

Trexquant Investment Stamford, Connecticut $17B AUM 39.66% 1-Year Est. Return

Susquehanna International Group Bala Cynwyd, Pennsylvania $1.28T AUM 58.89% 1-Year Est. Return

RQS

Ramsey Quantitative Systems Louisville, Kentucky $112M AUM 16.38% 1-Year Est. Return

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

Healthcare of Ontario Pension Plan (HOOPP) Trust Fund Toronto, Ontario, Canada $71.2B AUM 48.86% 1-Year Est. Return

American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

AWM

Ariadne Wealth Management Santa Barbara, California $226M AUM 45.73% 1-Year Est. Return

Jane Street's JFIN Position: Q2 2026 in Review

Jane Street increased its Jiayin Group (JFIN) stake by 141% in Q2 2026, buying an estimated $114K and bringing the position to 45,881 shares worth $131K. The position accounts for ﹤0.01% of the portfolio, ranked #10445.

Jane Street first reported a position in JFIN in Q1 2021 and has held it in 6 quarters since. The position peaked at $467K in Q1 2021. 28 funds tracked by Wall St. Rank hold JFIN as of Q2 2026.

Jane Street held 45,881 shares of Jiayin Group worth $131K as of Q2 2026.
Jane Street bought 26,851 Jiayin Group shares in Q2 2026, an estimated $114K.
Jiayin Group made up ﹤0.01% of Jane Street's portfolio in Q2 2026, its #10445 holding.
Jane Street first reported a position in Jiayin Group in Q1 2021 and has held it in 6 quarters since.
Jane Street's Jiayin Group position peaked at $467K in Q1 2021.
28 funds tracked by Wall St. Rank held Jiayin Group as of Q2 2026.

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