WESTFIELD CAPITAL MANAGEMENT CO LP

Position in IMAX — Imax Corp

CIK 1177719 BOSTON, MA

Position in IMAX

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

Position Value

$88,896,875

+$2,170,753 QoQ

Shares Held

2,338,776

-0.3% QoQ

Ownership

4.26%

of shares outstanding

% of Portfolio

0.37%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Sep 2025

3 quarters on record

Voting authority Sole 95.05425059945887.ToString("F0")% Shared 0.ToString("F0")% None 4.945749400541137.ToString("F0")%

Communication Services · as of Mar 31, 2026

WESTFIELD CAPITAL MANAGEMENT CO LP holds $513,436,261 across 4 Entertainment names. IMAX ranks #4 (17.3% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	NFLX	Netflix Inc	1,969,994	$189,414,923
2	LYV	Live Nation Entertainment, Inc.	810,710	$123,641,382
3	ROKU	Roku, Inc	1,178,219	$111,483,081
4	IMAX	Imax Corp This page	2,338,776	$88,896,875

5 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-05-31	$108,619,278	2,737,381	+1.2%	Shares	Sole	2026-06-03
2026-04-30	$102,758,087	2,704,872	+15.7%	Shares	Sole	2026-05-05
2026-03-31	$88,896,875	2,338,776	-0.3%	Shares	Sole	2026-05-11
2025-12-31	$86,726,122	2,346,486	+44.6%	Shares	Sole	2026-02-11
2025-09-30	$53,140,968	1,622,625	—	Shares	Sole	2025-11-12
No filing history on record for this holder in this stock.