WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC

Position in PLNT — Planet Fitness, Inc.

CIK 1644956 CHICAGO, IL

Position in PLNT

as of Mar 31, 2026 · filed May 8, 2026 Compact

Position Value

$108,047,511

-$50,242,217 QoQ

Shares Held

1,452,642

-0.5% QoQ

Ownership

1.83%

of shares outstanding

% of Portfolio

0.36%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

15 quarters on record

Voting authority Sole 93.46143096509671.ToString("F0")% Shared 0.ToString("F0")% None 6.5385690349033005.ToString("F0")%

Consumer Cyclical · as of Mar 31, 2026

WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC holds $121,490,713 across 2 Leisure names. PLNT ranks #1 (88.9% of the industry book) .

#	Ticker	Company	Shares	Value (USD)	Open
1	PLNT	Planet Fitness, Inc. This page	1,452,642	$108,047,511
2	YETI	YETI Holdings, Inc.	367,401	$13,443,202

15 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$108,047,511	1,452,642	-0.5%	Shares	Sole	2026-05-08
2025-12-31	$158,289,728	1,459,295	-8.4%	Shares	Sole	2026-02-09
2025-09-30	$165,447,546	1,593,907	-8.3%	Shares	Sole	2025-11-12
2025-06-30	$189,631,843	1,738,944	-5.7%	Shares	Sole	2025-07-29
2025-03-31	$178,118,601	1,843,687	-8.9%	Shares	Sole	2025-05-09
2024-12-31	$200,035,761	2,023,220	-9.8%	Shares	Sole	2025-02-10
2024-09-30	$182,256,218	2,243,982	-1.1%	Shares	Sole	2024-11-08
2024-06-30	$166,977,623	2,269,026	-9.9%	Shares	Sole	2024-08-08
2023-06-30	$169,761,991	2,517,230	+35.3%	Shares	Sole	2023-08-11
2023-03-31	$144,455,636	1,859,864	-1.1%	Shares	Sole	2023-05-12
2022-12-31	$148,207,749	1,880,809	+62.2%	Shares	Sole	2023-02-09
2022-09-30	$66,876,835	1,159,848	+0.2%	Shares	Sole	2022-11-09
2022-06-30	$78,691,718	1,157,061	-38.5%	Shares	Sole	2022-08-10
2020-06-30	$113,902,914	1,880,517	+1.0%	Shares	Sole	2020-08-12
2020-03-31	$90,671,510	1,861,838	—	Shares	Sole	2020-05-08
No filing history on record for this holder in this stock.