Jane Street
SY

Jane Street’s So-Young International SY Stock Holding History

Jane Street’s Portfolio SY Stock Details SY Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$39.5K Sell
26,700
-10,500
-28% -$25.2K ﹤0.01% 11017
2026
Q1 		$102K Buy
37,200
+3,500
+10% +$10.5K ﹤0.01% 10646
2025
Q4 		$86.3K Buy
+33,700
New +$109K ﹤0.01% 10259
2021
Q3 		– Sell
-14,000
Closed -$135K – 10700
2021
Q2 		$135K Buy
+14,000
New +$129K ﹤0.01% 9112

Other funds holding SY

TAA
TB Alternative Assets Grand Cayman, Cayman Islands $623M AUM 154.99% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Barclays
Barclays London, United Kingdom $521B AUM 51.41% 1-Year Est. Return
Citigroup
Citigroup New York $303B AUM 53.02% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Nomura Holdings
Nomura Holdings Tokyo, Japan $85.4B AUM 91.09% 1-Year Est. Return
HF
HRT Financial New York $54.8B AUM 81.03% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Jane Street's SY Position: Q2 2026 in Review

Jane Street increased its So-Young International (SY) stake by 606% in Q2 2026, buying an estimated $231K and bringing the position to 112,001 shares worth $166K. The position accounts for ﹤0.01% of the portfolio, ranked #10270.

Jane Street first reported a position in SY in Q2 2019 and has held it in 17 quarters since. The position peaked at $1.48M in Q4 2025. 25 funds tracked by Wall St. Rank hold SY as of Q2 2026.

  • Jane Street held 112,001 shares of So-Young International worth $166K as of Q2 2026.
  • Jane Street bought 96,131 So-Young International shares in Q2 2026, an estimated $231K.
  • So-Young International made up ﹤0.01% of Jane Street's portfolio in Q2 2026, its #10270 holding.
  • Jane Street first reported a position in So-Young International in Q2 2019 and has held it in 17 quarters since.
  • Jane Street's So-Young International position peaked at $1.48M in Q4 2025.
  • 25 funds tracked by Wall St. Rank held So-Young International as of Q2 2026.

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