ESSEX INVESTMENT MANAGEMENT CO LLC

Position in ADPT — Adaptive Biotechnologies Corp

CIK 201772 BOSTON, MA

Position in ADPT

as of Mar 31, 2026 · filed May 11, 2026 Compact

Position Value

$6,848,433

-$3,288,851 QoQ

Shares Held

493,403

-21.0% QoQ

Ownership

0.308%

of shares outstanding

% of Portfolio

1.09%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2023

13 quarters on record

Voting authority Sole 52.88334282523617.ToString("F0")% Shared 0.ToString("F0")% None 47.11665717476383.ToString("F0")%

Healthcare · as of Mar 31, 2026

ESSEX INVESTMENT MANAGEMENT CO LLC holds $8,763,680 across 2 Diagnostics & Research names. ADPT ranks #1 (78.1% of the industry book) .

#	Ticker	Company	Shares	Value (USD)	Open
1	ADPT	Adaptive Biotechnologies Corp This page	493,403	$6,848,433
2	BDSX	Biodesix Inc	132,086	$1,915,247

13 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$6,848,433	493,403	-21.0%	Shares	Sole	2026-05-11
2025-12-31	$10,137,284	624,217	-2.2%	Shares	Sole	2026-02-13
2025-09-30	$9,551,376	638,461	+3.4%	Shares	Sole	2025-11-06
2025-06-30	$7,191,533	617,299	-0.7%	Shares	Sole	2025-08-12
2025-03-31	$4,619,320	621,712	-0.7%	Shares	Sole	2025-05-07
2024-12-31	$3,751,898	625,838	-12.9%	Shares	Sole	2025-02-07
2024-09-30	$3,679,518	718,656	+15.2%	Shares	Sole	2024-10-10
2024-06-30	$2,258,246	623,825	+125.1%	Shares	Sole	2024-08-12
2024-03-31	$889,478	277,096	+1.9%	Shares	Sole	2024-05-03
2023-12-31	$1,332,373	271,913	+29.3%	Shares	Sole	2024-02-08
2023-09-30	$1,145,699	210,220	-0.7%	Shares	Sole	2023-11-09
2023-06-30	$1,420,547	211,706	+17.2%	Shares	Sole	2023-08-14
2023-03-31	$1,594,450	180,572	—	Shares	Sole	2023-05-04
No filing history on record for this holder in this stock.