Simplex Trading
CDNA icon

Simplex Trading’s CareDx CDNA Stock Holding History

Simplex Trading’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
2026
Q2 		$19.8K Buy
+695
New +$15.1K ﹤0.01% 7116
2026
Q1 		– Sell
-9,141
Closed -$172K – 9138
2025
Q4 		$172K Buy
9,141
+4,554
+99% +$76.3K ﹤0.01% 4380
2025
Q3 		$66K Buy
+4,587
New +$65.4K ﹤0.01% 6162
2025
Q2 		– Sell
-2,008
Closed -$35.7K – 8722
2025
Q1 		$35K Buy
+2,008
New +$43.2K ﹤0.01% 6107
2023
Q4 		– Sell
-1,067
Closed -$8.74K – 8856
2023
Q3 		$7K Buy
1,067
+1,051
+6,569% +$9.71K ﹤0.01% 7401
2023
Q2 		$0 Buy
+16
New +$133 ﹤0.01% 9039
2023
Q1 		– Sell
-8,163
Closed -$104K – 9095
2022
Q4 		$93K Buy
8,163
+7,917
+3,218% +$117K ﹤0.01% 5170
2022
Q3 		$4K Buy
+246
New +$5.28K ﹤0.01% 8883
2022
Q2 		– Sell
-1,205
Closed -$33.4K – 10035
2022
Q1 		$44K Sell
1,205
-7,596
-86% -$296K ﹤0.01% 7302
2021
Q4 		$400K Buy
+8,801
New +$459K ﹤0.01% 4127
2021
Q2 		– Sell
-2,128
Closed -$169K – 10075
2021
Q1 		$144K Buy
+2,128
New +$165K ﹤0.01% 5237
2020
Q1 		– Sell
-21,308
Closed -$477K – 7629
2019
Q4 		$459K Sell
21,308
-4,222
-17% -$96.9K ﹤0.01% 2831
2019
Q3 		$577K Buy
25,530
+24,379
+2,118% +$675K ﹤0.01% 2468
2019
Q2 		$41K Buy
+1,151
New +$36.8K ﹤0.01% 5024
2019
Q1 		– Sell
-1,746
Closed -$50.9K – 7166
2018
Q4 		$43K Buy
+1,746
New +$44.9K ﹤0.01% 4653

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
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
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Simplex Trading's CDNA Position: Q2 2026 in Review

Simplex Trading opened a new position in CareDx (CDNA) in Q2 2026: 695 shares worth $19.8K. The stake represents ﹤0.01% of the portfolio and ranks #7116 among its holdings. This is a return to the name: Simplex Trading previously reported a position in CDNA as recently as Q4 2025.

Simplex Trading first reported a position in CDNA in Q4 2018 and has held it in 15 quarters since. The position peaked at $577K in Q3 2019. 228 funds tracked by Wall St. Rank hold CDNA as of Q2 2026.

  • Simplex Trading held 695 shares of CareDx worth $19.8K as of Q2 2026.
  • CareDx was a new Simplex Trading position in Q2 2026.
  • CareDx made up ﹤0.01% of Simplex Trading's portfolio in Q2 2026, its #7116 holding.
  • Simplex Trading first reported a position in CareDx in Q4 2018 and has held it in 15 quarters since.
  • Simplex Trading's CareDx position peaked at $577K in Q3 2019.
  • 228 funds tracked by Wall St. Rank held CareDx as of Q2 2026.

Based on Simplex Trading's 13F filing for Q2 2026, filed 12 Aug 2026.