Jane Street
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Jane Street’s Cardio Diagnostics CDIO Stock Holding History

Jane Street’s Portfolio CDIO Stock Details CDIO Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$26.1K Sell
11,933
-69,350
-85% -$131K ﹤0.01% 11141
2026
Q1 		$159K Buy
+81,283
New +$213K ﹤0.01% 10343
2025
Q2 		– Sell
-2,694
Closed -$26.7K – 9726
2025
Q1 		$26.7K Sell
2,694
-1,058
-28% -$16.5K ﹤0.01% 9110
2024
Q4 		$103K Buy
+3,752
New +$52K ﹤0.01% 8752

Other funds holding CDIO

Renaissance Technologies
Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Citadel Advisors
Citadel Advisors Miami, Florida $875B AUM 40.89% 1-Year Est. Return
XT
XTX Topco George Town, Cayman Islands $7.72B AUM 32.88% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
Vanguard Fiduciary Trust
Vanguard Fiduciary Trust Malvern, Pennsylvania $454B AUM
TRCT
Tower Research Capital (TRC) New York $4.08B AUM 58.77% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return

Jane Street's CDIO Position: Q2 2026 in Review

Jane Street reduced its Cardio Diagnostics (CDIO) stake by 85% in Q2 2026, selling an estimated $131K and leaving 11,933 shares worth $26.1K. The position accounts for ﹤0.01% of the portfolio, ranked #11141.

Jane Street first reported a position in CDIO in Q4 2024 and has held it in 4 quarters since. The position peaked at $159K in Q1 2026. 17 funds tracked by Wall St. Rank hold CDIO as of Q2 2026.

  • Jane Street held 11,933 shares of Cardio Diagnostics worth $26.1K as of Q2 2026.
  • Jane Street sold 69,350 Cardio Diagnostics shares in Q2 2026, an estimated $131K.
  • Cardio Diagnostics made up ﹤0.01% of Jane Street's portfolio in Q2 2026, its #11141 holding.
  • Jane Street first reported a position in Cardio Diagnostics in Q4 2024 and has held it in 4 quarters since.
  • Jane Street's Cardio Diagnostics position peaked at $159K in Q1 2026.
  • 17 funds tracked by Wall St. Rank held Cardio Diagnostics as of Q2 2026.

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