SELECTIVE INSURANCE GROUP (SIGI) Top 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 March 31, 2026. The institutional investors covered on this page collectively reported approximately $3.73B 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 $565.36M in its March 31, 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 $694.65M, representing an estimated gain of +22.87% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 57% of the total disclosed SIGI value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Aqr Capital Management Llc, Vanguard Portfolio 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
367
Total Reported Value
$3.73B
Largest Holder
Blackrock, Inc.
Largest Position
$565.36M
Insider Transactions (90d)
0
Latest Filing Quarter
Q1 2026
New Institutional Positions
61
Funds Exiting Positions
1
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.01% | 7,499,150 | $565,360,920 | $694,646,265 | +$129,285,345 | +22.87% | |
| Aqr Capital Management Llc | 0.14% | 3,936,658 | $296,784,659 | $364,652,631 | +$67,867,972 | +22.87% | |
| Vanguard Portfolio Management Llc | 0.01% | 3,459,250 | $260,792,857 | $320,430,328 | +$59,637,471 | +22.87% | |
| Vanguard Capital Management Llc | 0.01% | 2,682,461 | $202,230,735 | $248,476,362 | +$46,245,627 | +22.87% | |
| Fmr Llc | 0.01% | 2,501,231 | $188,567,811 | $231,689,028 | +$43,121,217 | +22.87% | |
| State Street Corp | 0.01% | 2,326,280 | $175,378,249 | $215,483,316 | +$40,105,067 | +22.87% | |
| Geode Capital Management, Llc | 0.01% | 1,708,819 | $128,847,474 | $158,287,904 | +$29,440,430 | +22.85% | |
| First Trust Advisors Lp | 0.07% | 1,381,867 | $104,178,980 | $128,002,340 | +$23,823,360 | +22.87% | |
| Dimensional Fund Advisors Lp | 0.02% | 1,359,224 | $102,472,734 | $125,904,919 | +$23,432,185 | +22.87% | |
| American Century Companies Inc | 0.05% | 1,267,272 | $95,539,651 | $117,387,405 | +$21,847,754 | +22.87% | |
| Nomura Asset Management International Inc. | 0.15% | 1,197,811 | $90,303,000 | $110,953,233 | +$20,650,233 | +22.87% | |
| Morgan Stanley | 0.01% | 1,122,086 | $84,594,225 | $103,938,826 | +$19,344,601 | +22.87% | |
| Charles Schwab Investment Management Inc | 0.01% | 893,753 | $67,380,039 | $82,788,340 | +$15,408,301 | +22.87% | |
| Northern Trust Corp | 0.01% | 869,770 | $65,571,960 | $80,566,795 | +$14,994,835 | +22.87% | |
| Janus Henderson Group Plc | 0.03% | 784,231 | $59,123,456 | $72,643,318 | +$13,519,862 | +22.87% | |
| Bank Of America Corp | 0.00% | 759,122 | $57,230,236 | $70,317,471 | +$13,087,235 | +22.87% | |
| Frontier Capital Management Co Llc | 0.57% | 729,748 | $55,015,677 | $67,596,557 | +$12,580,880 | +22.87% | |
| Goldman Sachs Group Inc | 0.01% | 602,964 | $45,457,480 | $55,852,555 | +$10,395,075 | +22.87% | |
| Franklin Resources Inc | 0.01% | 555,324 | $41,865,876 | $51,439,662 | +$9,573,786 | +22.87% | |
| Jacobs Levy Equity Management, Inc | 0.17% | 549,595 | $41,433,967 | $50,908,985 | +$9,475,018 | +22.87% | |
| Verition Fund Management Llc | 0.35% | 484,007 | $36,489,288 | $44,833,568 | +$8,344,280 | +22.87% | |
| Bank Of New York Mellon Corp | 0.01% | 482,884 | $36,404,655 | $44,729,545 | +$8,324,890 | +22.87% | |
| Massachusetts Financial Services Co | 0.01% | 476,532 | $35,925,747 | $44,141,159 | +$8,215,412 | +22.87% | |
| Qube Research & Technologies Ltd | 0.05% | 468,682 | $35,333,936 | $43,414,014 | +$8,080,078 | +22.87% | |
| Vaughan Nelson Investment Management, L.P. | 0.35% | 464,237 | $34,998,827 | $43,002,273 | +$8,003,446 | +22.87% | |
| Boston Trust Walden Corp | 0.26% | 425,463 | $32,075,656 | $39,410,638 | +$7,334,982 | +22.87% | |
| Arrowstreet Capital, Limited Partnership | 0.02% | 420,106 | $31,671,791 | $38,914,419 | +$7,242,628 | +22.87% | |
| Vanguard Fiduciary Trust Co | 0.01% | 415,865 | $31,352,062 | $38,521,575 | +$7,169,513 | +22.87% | |
| William Blair Investment Management, Llc | 0.09% | 370,419 | $27,925,888 | $34,311,912 | +$6,386,024 | +22.87% | |
| Raymond James Financial Inc | 0.01% | 351,297 | $26,478,904 | $32,540,641 | +$6,061,737 | +22.89% | |
| Systematic Financial Management Lp | 0.57% | 329,496 | $24,840,769 | $30,521,214 | +$5,680,445 | +22.87% | |
| Nuveen, Llc | 0.01% | 324,679 | $24,477,551 | $30,075,016 | +$5,597,465 | +22.87% | |
| Deutsche Bank Ag\ | 0.01% | 305,128 | $23,003,601 | $28,264,007 | +$5,260,406 | +22.87% | |
| Metlife Investment Management, Llc | 0.10% | 262,539 | $19,792,815 | $24,318,988 | +$4,526,173 | +22.87% | |
| Principal Financial Group Inc | 0.01% | 253,223 | $19,090,482 | $23,456,046 | +$4,365,564 | +22.87% | |
| Tributary Capital Management, Llc | 1.83% | 250,607 | $18,893,270 | $23,213,726 | +$4,320,456 | +22.87% | |
| Invesco Ltd. | 0.00% | 226,079 | $17,044,114 | $20,941,698 | +$3,897,584 | +22.87% | |
| Ubs Am, A Distinct Business Unit Of Ubs Asset Management Americas Llc | 0.00% | 207,412 | $15,636,790 | $19,212,574 | +$3,575,784 | +22.87% | |
| Rhumbline Advisers | 0.01% | 197,077 | $14,857,602 | $18,255,243 | +$3,397,641 | +22.87% | |
| Voloridge Investment Management, Llc | 0.06% | 192,226 | $14,491,918 | $17,805,894 | +$3,313,976 | +22.87% | |
| Kennedy Capital Management Llc | 0.30% | 186,923 | $14,092,125 | $17,314,677 | +$3,222,552 | +22.87% | |
| Ubs Group Ag | 0.00% | 184,957 | $13,943,909 | $17,132,567 | +$3,188,658 | +22.87% | |
| Exoduspoint Capital Management, Lp | 0.14% | 184,844 | $13,935,389 | $17,122,100 | +$3,186,711 | +22.87% | |
| Russell Investments Group, Ltd. | 0.01% | 176,847 | $13,332,592 | $16,381,338 | +$3,048,746 | +22.87% | |
| Healthcare Of Ontario Pension Plan Trust Fund | 0.02% | 173,869 | $13,107,984 | $16,105,485 | +$2,997,501 | +22.87% | |
| Lighthouse Investment Partners, Llc | 0.45% | 158,582 | $11,955,497 | $14,689,451 | +$2,733,954 | +22.87% | |
| California Public Employees Retirement System | 0.01% | 157,104 | $11,844,071 | $14,552,544 | +$2,708,473 | +22.87% | |
| Trexquant Investment Lp | 0.08% | 151,143 | $11,394,671 | $14,000,376 | +$2,605,705 | +22.87% | |
| Alliancebernstein L.P. | 0.00% | 113,055 | $9,459,312 | $10,472,285 | +$1,012,973 | +10.71% | |
| Citadel Advisors Llc | 0.01% | 120,946 | $9,118,119 | $11,203,228 | +$2,085,109 | +22.87% |
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.