Portolan Capital Management, LLC

Position in RRX — Regal Rexnord Corp

CIK 1350290 BOSTON, MA

Position in RRX

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

Position Value

$10,107,358

+$6,866,247 QoQ

Shares Held

53,975

+133.7% QoQ

Ownership

0.081%

of shares outstanding

% of Portfolio

0.55%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Jun 2025

3 quarters on record

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

Industrials · as of Mar 31, 2026

Portolan Capital Management, LLC holds $28,287,275 across 3 Specialty Industrial Machinery names. RRX ranks #1 (35.7% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	RRX	Regal Rexnord Corp This page	53,975	$10,107,358
2	AMSC	American Superconductor Corp /De/	295,636	$10,007,278
3	GHM	Graham Corp	103,556	$8,172,639

3 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$10,107,358	53,975	+133.7%	Shares	Sole	2026-05-15
2025-12-31	$3,241,111	23,098	-7.4%	Shares	Sole	2026-02-17
2025-06-30	$3,615,737	24,943	—	Shares	Sole	2025-08-13
No filing history on record for this holder in this stock.