FRONTIER CAPITAL MANAGEMENT CO LLC

Position in SIGI — Selective Insurance Group Inc

CIK 351173 Boston, MA

Position in SIGI

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$34,508,300

-$20,507,401 QoQ

Shares Held

355,719

-51.3% QoQ

Ownership

0.597%

of shares outstanding

% of Portfolio

0.32%

of 13F equity value

Holder Rank

#32

of 371 holders

Holding Since

Jun 2025

5 quarters on record

Voting authority Sole 52% Shared 0% None 48%

Financial Services · as of Jun 30, 2026

FRONTIER CAPITAL MANAGEMENT CO LLC holds $119,690,354 across 5 Insurance - Property & Casualty names. SIGI ranks #2 (28.8% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	LMND	Lemonade, Inc.	609,820	$39,668,791
2	SIGI	Selective Insurance Group Inc This page	355,719	$34,508,300
3	PRCH	Porch Group, Inc.	1,547,453	$23,273,693
4	MKL	Markel Group Inc.	6,566	$12,823,463
5	WRB	Berkley W R Corp	133,505	$9,416,107

5 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$34,508,300	355,719	-51.3%	Shares	Sole	2026-08-14
2026-03-31	$55,015,701	729,748	+18.6%	Shares	Sole	2026-05-15
2025-12-31	$51,475,290	615,218	+270.7%	Shares	Sole	2026-02-17
2025-09-30	$13,455,755	165,977	-28.5%	Shares	Sole	2025-11-14
2025-06-30	$20,107,565	232,055	—	Shares	Sole	2025-08-14
No filing history on record for this holder in this stock.