SELECTIVE INSURANCE GROUP (SIGI) Institutional Shareholders
SELECTIVE INSURANCE GROUP (SIGI) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $5.05B in SIGI holdings during the latest filing period.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of SIGI tracked by InsiderSet, reporting ownership valued at approximately $754.56M in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $674.36M, representing an estimated loss of -10.63% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 55% of the total disclosed SIGI value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Vanguard Portfolio Management Llc, Aqr Capital Management Llc, and several other long-term asset managers with concentrated positions in SELECTIVE INSURANCE GROUP (SIGI).
This page ranks the largest institutional SIGI shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
360
Total Reported Value
$5.05B
Largest Holder
Blackrock, Inc.
Largest Position
$754.56M
Insider Transactions (90d)
2
Latest Filing Quarter
Q2 2026
New Institutional Positions
44
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.01% | 7,778,138 | $754,557,163 | $674,364,565 | -$80,192,598 | -10.63% | |
| Vanguard Portfolio Management Llc | 0.02% | 3,495,978 | $339,144,826 | $303,101,293 | -$36,043,533 | -10.63% | |
| Aqr Capital Management Llc | 0.11% | 3,345,130 | $324,511,044 | $290,022,771 | -$34,488,273 | -10.63% | |
| Vanguard Capital Management Llc | 0.01% | 2,697,663 | $261,700,288 | $233,887,382 | -$27,812,906 | -10.63% | |
| State Street Corp | 0.01% | 2,451,382 | $237,814,179 | $212,534,819 | -$25,279,360 | -10.63% | |
| American Century Companies Inc | 0.10% | 2,228,969 | $216,232,542 | $193,251,612 | -$22,980,930 | -10.63% | |
| Fmr Llc | 0.01% | 1,941,671 | $188,361,518 | $168,342,876 | -$20,018,642 | -10.63% | |
| Geode Capital Management, Llc | 0.01% | 1,825,150 | $177,084,193 | $158,240,505 | -$18,843,688 | -10.64% | |
| First Trust Advisors Lp | 0.09% | 1,610,141 | $156,199,720 | $139,599,225 | -$16,600,495 | -10.63% | |
| Dimensional Fund Advisors Lp | 0.03% | 1,449,582 | $140,628,491 | $125,678,759 | -$14,949,732 | -10.63% | |
| Morgan Stanley | 0.00% | 971,847 | $94,279,022 | $84,259,135 | -$10,019,887 | -10.63% | |
| Vaughan Nelson Investment Management, L.P. | 0.80% | 931,336 | $90,348,905 | $80,746,831 | -$9,602,074 | -10.63% | |
| Northern Trust Corp | 0.01% | 916,721 | $88,931,105 | $79,479,711 | -$9,451,394 | -10.63% | |
| Nomura Asset Management International Inc. | 0.13% | 903,173 | $87,617,000 | $78,305,099 | -$9,311,901 | -10.63% | |
| Charles Schwab Investment Management Inc | 0.01% | 892,649 | $86,595,879 | $77,392,668 | -$9,203,211 | -10.63% | |
| Wellington Management Group Llp | 0.01% | 795,272 | $77,149,337 | $68,950,082 | -$8,199,255 | -10.63% | |
| Norges Bank | 0.01% | 764,284 | $74,143,191 | $66,263,423 | -$7,879,768 | -10.63% | |
| Goldman Sachs Group Inc | 0.01% | 658,666 | $63,897,246 | $57,106,342 | -$6,790,904 | -10.63% | |
| Bank Of America Corp | 0.00% | 653,775 | $63,422,668 | $56,682,293 | -$6,740,376 | -10.63% | |
| Janus Henderson Group Plc | 0.03% | 784,231 | $59,123,456 | $67,992,828 | +$8,869,372 | +15.00% | |
| Jacobs Levy Equity Management, Inc | 0.21% | 600,650 | $58,269,056 | $52,076,355 | -$6,192,701 | -10.63% | |
| Arrowstreet Capital, Limited Partnership | 0.03% | 588,462 | $57,086,699 | $51,019,655 | -$6,067,044 | -10.63% | |
| Verition Fund Management Llc | 0.36% | 534,470 | $51,848,935 | $46,338,549 | -$5,510,386 | -10.63% | |
| Bank Of New York Mellon Corp | 0.01% | 489,452 | $47,481,737 | $42,435,488 | -$5,046,249 | -10.63% | |
| Victory Capital Management Inc | 0.02% | 456,285 | $44,264,207 | $39,559,910 | -$4,704,298 | -10.63% | |
| Massachusetts Financial Services Co | 0.01% | 453,220 | $43,966,872 | $39,294,174 | -$4,672,698 | -10.63% | |
| Schroder Investment Management Group | 0.03% | 419,315 | $40,992,234 | $36,354,611 | -$4,637,624 | -11.31% | |
| Boston Trust Walden Corp | 0.30% | 403,358 | $39,129,760 | $34,971,139 | -$4,158,621 | -10.63% | |
| Vanguard Fiduciary Trust Co | 0.01% | 397,524 | $38,563,803 | $34,465,331 | -$4,098,472 | -10.63% | |
| Jpmorgan Chase & Co | 0.00% | 353,194 | $34,800,802 | $30,621,920 | -$4,178,882 | -12.01% | |
| Frontier Capital Management Co Llc | 0.32% | 355,719 | $34,508,258 | $30,840,837 | -$3,667,421 | -10.63% | |
| T. Rowe Price Investment Management, Inc. | 0.02% | 346,778 | $33,641,000 | $30,065,653 | -$3,575,347 | -10.63% | |
| Systematic Financial Management Lp | 0.66% | 340,986 | $33,079,158 | $29,563,486 | -$3,515,672 | -10.63% | |
| Nuveen, Llc | 0.01% | 336,056 | $32,600,793 | $29,136,055 | -$3,464,738 | -10.63% | |
| Deutsche Bank Ag\ | 0.01% | 314,118 | $30,472,587 | $27,234,031 | -$3,238,556 | -10.63% | |
| Raymond James Financial Inc | 0.01% | 301,413 | $29,240,029 | $26,132,507 | -$3,107,522 | -10.63% | |
| Ubs Group Ag | 0.00% | 295,962 | $28,711,274 | $25,659,905 | -$3,051,369 | -10.63% | |
| William Blair Investment Management, Llc | 0.09% | 292,525 | $28,377,850 | $25,361,918 | -$3,015,933 | -10.63% | |
| Invesco Ltd. | 0.00% | 292,179 | $28,344,308 | $25,331,919 | -$3,012,389 | -10.63% | |
| Renaissance Technologies LLC | Jim Simons | 0.04% | 286,594 | $27,802,484 | $24,847,700 | -$2,954,784 | -10.63% |
| Principal Financial Group Inc | 0.01% | 265,562 | $25,762,170 | $23,024,225 | -$2,737,945 | -10.63% | |
| Metlife Investment Management, Llc | 0.11% | 246,296 | $23,893,175 | $21,353,863 | -$2,539,312 | -10.63% | |
| Tributary Capital Management, Llc | 1.94% | 243,301 | $23,602,641 | $21,094,197 | -$2,508,444 | -10.63% | |
| Healthcare Of Ontario Pension Plan Trust Fund | 0.03% | 209,137 | $20,288,380 | $18,132,178 | -$2,156,202 | -10.63% | |
| Deprince Race & Zollo Inc | 0.33% | 204,539 | $19,842,328 | $17,733,531 | -$2,108,797 | -10.63% | |
| Rhumbline Advisers | 0.01% | 195,793 | $18,993,851 | $16,975,253 | -$2,018,598 | -10.63% | |
| Assenagon Asset Management S.A. | 0.02% | 193,405 | $18,762,219 | $16,768,214 | -$1,994,006 | -10.63% | |
| Russell Investments Group, Ltd. | 0.02% | 189,562 | $18,389,641 | $16,435,025 | -$1,954,616 | -10.63% | |
| Kennedy Capital Management Llc | 0.32% | 187,467 | $18,186,174 | $16,253,389 | -$1,932,785 | -10.63% | |
| Natixis Advisors, Llc | 0.02% | 177,878 | $17,255,000 | $15,422,023 | -$1,832,977 | -10.62% |
Frequently asked questions about SIGI
Who owns the most SIGI stock?
The largest holders of SIGI are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for SELECTIVE INSURANCE GROUP (SIGI).
Is SIGI widely held by superinvestors?
Many widely followed stocks like SIGI appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly SIGI is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.