JO
CDNA icon

John Overdeck’s CareDx CDNA Stock Holding History

John Overdeck’s Portfolio CDNA Stock Details CDNA Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2021
Q3 		– Sell
-4,300
Closed -$394K – 4269
2021
Q2 		$394K Buy
4,300
+400
+10% +$31.8K ﹤0.01% 3293
2021
Q1 		$266K Buy
+3,900
New +$303K ﹤0.01% 3423

Other funds holding CDNA

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
DM
Deerfield Management New York $9.59B AUM 113.36% 1-Year Est. Return
AIM
ARK Investment Management St. Petersburg, Florida $15.4B AUM 50.29% 1-Year Est. Return
Boston Partners
Boston Partners Boston, Massachusetts $113B AUM 38.87% 1-Year Est. Return
BAMCO Inc
BAMCO Inc New York $66.6B AUM 7.35% 1-Year Est. Return
California State Teachers Retirement System (CalSTRS)
California State Teachers Retirement System (CalSTRS) West Sacramento, California $782B AUM 28.39% 1-Year Est. Return
GS
Gagnon Securities New York $519M AUM 44.91% 1-Year Est. Return
Chevy Chase Trust
Chevy Chase Trust Bethesda, Maryland $38.8B AUM 41.35% 1-Year Est. Return

John Overdeck's CDNA Position: Q2 2026 in Review

John Overdeck increased its CareDx (CDNA) stake by 74% in Q2 2026, buying an estimated $3.71M and bringing the position to 401,987 shares worth $11.5M. The position accounts for 0.01% of the portfolio, ranked #1427.

John Overdeck first reported a position in CDNA in Q4 2017 and has held it in 32 quarters since. The position peaked at $26.6M in Q1 2021. 226 funds tracked by Wall St. Rank hold CDNA as of Q2 2026.

  • John Overdeck held 401,987 shares of CareDx worth $11.5M as of Q2 2026.
  • John Overdeck bought 170,387 CareDx shares in Q2 2026, an estimated $3.71M.
  • CareDx made up 0.01% of John Overdeck's portfolio in Q2 2026, its #1427 holding.
  • John Overdeck first reported a position in CareDx in Q4 2017 and has held it in 32 quarters since.
  • John Overdeck's CareDx position peaked at $26.6M in Q1 2021.
  • 226 funds tracked by Wall St. Rank held CareDx as of Q2 2026.

Based on Two Sigma Investments's 13F filing for Q2 2026, filed 14 Aug 2026.