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SIGI · Selective Insurance Group Inc

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Market Cap
$5.50B
Shares
59.57M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 371
Total Value: $5,126,654,130
Total Shares: 52,846,659
Showing 1–100 of 373 holdings by value · page 1 of 4

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 371 13F filers · Δ vs Mar 31, 2026
Top Holder
14.7%
Sep 2023 → Jun 2026 · range 14.2% – 15.5%
−0.0 pts
Top 5
37.4%
Sep 2023 → Jun 2026 · range 37.4% – 48.3%
−2.0 pts
Top 10
54.5%
Sep 2023 → Jun 2026 · range 54.5% – 61.0%
−0.7 pts
HHI
448
Sep 2023 → Jun 2026 · range 448 – 621
Broadly held−19

Quarterly Activity

vs Mar 31, 2026
New
62
Increased
132
Decreased
119
Sold Out
67
Unchanged
58
Holder count: -5
Institutional value: +33.5%
Shares held: +3.8%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 100 of 373
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 230557 CUSIP 816300107 13F (30d) 293 filings 290 filers Visit website Investor relations