Portolan Capital Management’s CareDx CDNA Stock Holding History

Portolan Capital Management’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	$19.5M	Buy	684,805 +344,453	+101%	+$7.5M	0.73%	47
2026 Q1	$5.91M	Sell	340,352 -418,423	-55%	-$7.92M	0.31%	86
2025 Q4	$14.3M	Sell	758,775 -174,757	-19%	-$2.93M	0.77%	44
2025 Q3	$13.6M	Buy	933,532 +303,555	+48%	+$4.33M	0.73%	45
2025 Q2	$12.3M	Buy	629,977 +218,294	+53%	+$3.88M	0.77%	42
2025 Q1	$7.31M	Buy	+411,683	New	+$8.87M	0.56%	59
2022 Q3	–	Sell	-109,827	Closed	-$2.36M	–	131
2022 Q2	$2.36M	Buy	+109,827	New	+$3.05M	0.24%	109

Other funds holding CDNA

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

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, Massachusetts $113B AUM 38.87% 1-Year Est. Return

BAMCO Inc New York $66.6B AUM 7.35% 1-Year Est. Return

Gagnon Securities New York $519M AUM 44.91% 1-Year Est. Return

Chevy Chase Trust Bethesda, Maryland $38.8B AUM 41.35% 1-Year Est. Return

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

Portolan Capital Management's CDNA Position: Q2 2026 in Review

Portolan Capital Management increased its CareDx (CDNA) stake by 101% in Q2 2026, buying an estimated $7.5M and bringing the position to 684,805 shares worth $19.5M. The position accounts for 0.73% of the portfolio, ranked #47.

Portolan Capital Management first reported a position in CDNA in Q2 2022 and has held it in 7 quarters since. 227 funds tracked by Wall St. Rank hold CDNA as of Q2 2026.

Portolan Capital Management held 684,805 shares of CareDx worth $19.5M as of Q2 2026.
Portolan Capital Management bought 344,453 CareDx shares in Q2 2026, an estimated $7.5M.
CareDx made up 0.73% of Portolan Capital Management's portfolio in Q2 2026, its #47 holding.
Portolan Capital Management first reported a position in CareDx in Q2 2022 and has held it in 7 quarters since.
227 funds tracked by Wall St. Rank held CareDx as of Q2 2026.

Based on Portolan Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.