HOWLAND CAPITAL MANAGEMENT LLC

Position in PSNL — Personalis, Inc.

CIK 1079112 BOSTON, MA

Position in PSNL

as of Jun 30, 2026 · filed Jul 13, 2026 Compact

Position Value

$7,445,589

+$3,960,467 QoQ

Shares Held

555,641

+1.6% QoQ

Ownership

0.531%

of shares outstanding

% of Portfolio

0.35%

of 13F equity value

Holder Rank

#1

of 13 holders

Holding Since

Sep 2022

16 quarters on record

Voting authority Sole 16% Shared 0% None 84%

Healthcare · as of Jun 30, 2026

HOWLAND CAPITAL MANAGEMENT LLC holds $103,425,832 across 6 Diagnostics & Research names. PSNL ranks #4 (7.2% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	TMO	Thermo Fisher Scientific Inc.	69,813	$35,001,445
2	DHR	Danaher Corp /De/	173,960	$33,135,900
3	IDXX	Idexx Laboratories Inc /De	46,776	$24,624,757
4	PSNL	Personalis, Inc. This page	555,641	$7,445,589
5	ILMN	Illumina, Inc.	16,550	$2,909,986
6	NEO	Neogenomics Inc	21,121	$308,155

16 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$7,445,589	555,641	+1.6%	Shares	Sole	2026-07-13
2026-03-31	$3,485,122	547,115	0.0%	Shares	Sole	2026-04-14
2025-12-31	$4,355,035	547,115	+65.5%	Shares	Sole	2026-02-13
2025-09-30	$2,155,987	330,673	+15.9%	Shares	Sole	2025-10-29
2025-06-30	$1,871,620	285,308	+0.9%	Shares	Sole	2025-08-15
2025-03-31	$992,656	282,808	+7.7%	Shares	Sole	2025-05-08
2024-12-31	$1,517,874	262,608	0.0%	Shares	Sole	2025-01-28
2024-09-30	$1,412,831	262,608	0.0%	Shares	Sole	2024-11-12
2024-06-30	$307,251	262,608	+24.4%	Shares	Sole	2024-08-12
2024-03-31	$314,565	211,118	+392.8%	Shares	Sole	2024-05-03
2023-12-31	$89,972	42,844	+13.2%	Shares	Sole	2024-01-23
2023-09-30	$45,791	37,844	+87.3%	Shares	Sole	2023-10-17
2023-06-30	$37,976	20,200	0.0%	Shares	Sole	2023-07-28
2023-03-31	$55,752	20,200	0.0%	Shares	Sole	2023-05-05
2022-12-31	$39,996	20,200	0.0%	Shares	Sole	2023-01-30
2022-09-30	$59,994	20,200	—	Shares	Sole	2022-10-17
No filing history on record for this holder in this stock.