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
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 $1.66T AUM 25.57% 1-Year Est. Return
Barclays
Barclays London, United Kingdom $416B AUM 33.63% 1-Year Est. Return
Citigroup
Citigroup New York $235B AUM 32.99% 1-Year Est. Return
KC
Kadensa Capital Central, Hong Kong $718M AUM 38.33% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return

Jane Street's SY Position: Q1 2026 in Review

Jane Street reduced its So-Young International (SY) stake by 97% in Q1 2026, selling an estimated $1.68M and leaving 15,870 shares worth $43.3K. The position accounts for ﹤0.01% of the portfolio, ranked #11018.

Jane Street first reported a position in SY in Q2 2019 and has held it in 16 quarters since. The position peaked at $1.48M in Q4 2025. 30 funds tracked by Wall St. Rank hold SY as of Q1 2026.

  • Jane Street held 15,870 shares of So-Young International worth $43.3K as of Q1 2026.
  • Jane Street sold 561,706 So-Young International shares in Q1 2026, an estimated $1.68M.
  • So-Young International made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #11018 holding.
  • Jane Street first reported a position in So-Young International in Q2 2019 and has held it in 16 quarters since.
  • Jane Street's So-Young International position peaked at $1.48M in Q4 2025.
  • 30 funds tracked by Wall St. Rank held So-Young International as of Q1 2026.

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