Woodline Partners LP

Position in MASI — Masimo Corp

CIK 1784547 San Francisco, CA

Position in MASI

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$27,255,731

-$3,479,576 QoQ

Shares Held

153,234

-16.1% QoQ

Ownership

0.293%

of shares outstanding

% of Portfolio

0.11%

of 13F equity value

Holder Rank

#63

of 445 holders

Holding Since

Jun 2022

12 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Healthcare · as of Mar 31, 2026

Woodline Partners LP holds $407,442,598 across 16 Medical Devices names. MASI ranks #6 (6.7% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	EW	Edwards Lifesciences Corp	1,768,176	$141,595,534
2	PEN	Penumbra Inc	241,597	$79,333,206
3	SYK	Stryker Corp	128,378	$42,183,727
4	DXCM	Dexcom Inc	513,321	$32,236,558
5	ABT	Abbott Laboratories	286,108	$29,374,708
6	MASI	Masimo Corp This page	153,234	$27,255,731
7	BSX	Boston Scientific Corp	290,453	$18,225,925
8	ENOV	Enovis CORP	364,895	$8,301,361

12 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$27,255,731	153,234	-16.1%	Shares	Sole	2026-05-15
2025-06-30	$30,735,307	182,709	+37.4%	Shares	Sole	2025-08-14
2025-03-31	$22,152,635	132,969	+159.8%	Shares	Sole	2025-05-15
2024-12-31	$8,460,880	51,185	+450.4%	Shares	Sole	2025-02-14
2024-09-30	$1,239,969	9,300	-95.0%	Shares	Sole	2024-11-14
2024-06-30	$23,423,580	185,990	+250.0%	Shares	Sole	2024-08-14
2024-03-31	$7,804,490	53,146	-81.2%	Shares	Sole	2024-05-15
2023-12-31	$33,085,452	282,275	+298.8%	Shares	Sole	2024-02-14
2023-09-30	$6,205,902	70,779	-12.1%	Shares	Sole	2023-11-14
2022-12-31	$11,912,342	80,516	+360.1%	Shares	Sole	2023-02-14
2022-09-30	$2,470,158	17,499	-59.3%	Shares	Sole	2022-11-14
2022-06-30	$5,623,514	43,036	—	Shares	Sole	2022-08-15
No filing history on record for this holder in this stock.