Security Snapshot

SELECTIVE INSURANCE GROUP INC - COMMON STOCK (SIGI) Institutional Ownership

CUSIP: 816300107

13F Institutional Holders and Ownership History from Q1 2014 to Q1 2026

Latest Period

Q1 2026

Institutions Reporting

369

Shares (Excl. Options)

50,873,569

Price

$75.39

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Type / Class
Equity / COMMON STOCK
Symbol
SIGI on Nasdaq
Shares outstanding
59,553,121
Price per share
$82.48
All holders as of 31 Mar 2026
Q1 2026
Total 13F shares
50,873,569
Total reported value
$3,836,620,701
% of total 13F portfolios
0%
Share change
-1,816,067
Value change
-$148,282,879
Number of holders
369
Price from insider filings
$82.48
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Key facts

  • SIGI - SELECTIVE INSURANCE GROUP INC - COMMON STOCK is tracked under CUSIP 816300107.
  • 369 institutions reported positions in Q1 2026.
  • 4 significant owners is listed from Schedule 13D/13G reporting.

Change

  • Holder count moved from 356 to 369 between Q4 2025 and Q1 2026.
  • Reported value moved from $4,410,196,610 to $3,836,620,701.

Research use

  • You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
  • 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Evidence

Source: SEC Form 13F

Latest holder context comes from 369 institutions filings for Q1 2026.

Open SEC Evidence

Security key

816300107

Latest holder period

Q1 2026

13F holders

369

13D/G owners

4

CIK / CUSIP context first

Open Q1 2026 holders SIGI full holder history SELECTIVE INSURANCE GROUP INC SEC filings SELECTIVE INSURANCE GROUP INC company facts SELECTIVE INSURANCE GROUP INC insider transactions

Broader feeds

Latest 13F filings Latest 13D/G filings All securities

Significant Owners of SELECTIVE INSURANCE GROUP INC - COMMON STOCK (SIGI) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
AQR CAPITAL MANAGEMENT LLC 6.7% $337,429,547 4,059,547 AQR Capital Management, LLC 31 Dec 2025
VANGUARD PORTFOLIO MANAGEMENT LLC 5.9% $265,051,789 3,515,742 Vanguard Portfolio Management 31 Mar 2026
VANGUARD CAPITAL MANAGEMENT LLC 5.2% $236,856,005 3,141,743 Vanguard Capital Management 31 Mar 2026
FMR LLC 4.2% $199,948,413 2,501,231 FMR LLC 31 Mar 2026

As of 31 Mar 2026, 369 institutional investors reported holding 50,873,569 shares of SELECTIVE INSURANCE GROUP INC - COMMON STOCK (SIGI). This represents 85% of the company’s total 59,553,121 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of SELECTIVE INSURANCE GROUP INC - COMMON STOCK (SIGI) together control 65% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
BlackRock, Inc. 13% 7,499,150 +0.35% 0.01% $565,360,920
AQR CAPITAL MANAGEMENT LLC 6.6% 3,936,658 -3% 0.14% $296,784,659
VANGUARD PORTFOLIO MANAGEMENT LLC 5.8% 3,459,250 0% 0.01% $260,792,857
VANGUARD CAPITAL MANAGEMENT LLC 4.5% 2,682,461 0% 0.01% $202,230,735
FMR LLC 4.2% 2,501,231 -49% 0.01% $188,567,811
STATE STREET CORP 3.9% 2,326,280 -1.1% 0.01% $175,378,249
GEODE CAPITAL MANAGEMENT, LLC 2.9% 1,708,819 +2.9% 0.01% $128,847,474
FIRST TRUST ADVISORS LP 2.3% 1,381,867 +33% 0.07% $104,178,980
DIMENSIONAL FUND ADVISORS LP 2.3% 1,359,224 +3.4% 0.02% $102,472,734
AMERICAN CENTURY COMPANIES INC 2.1% 1,267,272 +108% 0.05% $95,539,651
NOMURA ASSET MANAGEMENT INTERNATIONAL INC. 2% 1,197,811 -11% 0.15% $90,303,000
MORGAN STANLEY 1.9% 1,122,086 -2% 0.01% $84,594,225
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 1.5% 893,753 +0.36% 0.01% $67,380,039
NORTHERN TRUST CORP 1.5% 869,770 +0.23% 0.01% $65,571,960
JANUS HENDERSON GROUP PLC 1.3% 784,231 +0.23% 0.03% $59,123,456
BANK OF AMERICA CORP /DE/ 1.3% 759,122 +2.5% 0% $57,230,236
FRONTIER CAPITAL MANAGEMENT CO LLC 1.2% 729,748 +19% 0.57% $55,015,677
GOLDMAN SACHS GROUP INC 1% 602,964 +21% 0.01% $45,457,480
FRANKLIN RESOURCES INC 0.93% 555,324 +0.5% 0.01% $41,865,876
JACOBS LEVY EQUITY MANAGEMENT, INC 0.92% 549,595 -19% 0.17% $41,433,967
RAYMOND JAMES FINANCIAL INC 0.81% 485,113 +15% 0.01% $36,561,940
Verition Fund Management LLC 0.81% 484,007 +9.9% 0.35% $36,489,288
Bank of New York Mellon Corp 0.81% 482,884 +0.11% 0.01% $36,404,655
MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 0.8% 476,532 -1.2% 0.01% $35,925,747
Qube Research & Technologies Ltd 0.79% 468,682 0.05% $35,333,936

Institutional Holders of SELECTIVE INSURANCE GROUP INC - COMMON STOCK (SIGI) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q1 50,873,569 $3,836,620,701 -$148,282,879 $75.39 369
2025 Q4 52,706,078 $4,410,196,610 +$15,956,067 $83.67 356
2025 Q3 51,235,921 $4,151,080,052 -$99,293,059 $81.07 339
2025 Q2 52,343,287 $4,534,956,196 +$137,334,502 $86.65 345
2025 Q1 50,683,431 $4,639,437,400 -$41,350,813 $91.54 340
2024 Q4 51,411,649 $4,807,987,230 +$10,715,495 $93.52 336
2024 Q3 51,153,825 $4,775,467,137 +$30,807,018 $93.30 325
2024 Q2 51,031,924 $4,788,509,707 +$14,322,302 $93.83 314
2024 Q1 50,803,585 $5,544,166,457 +$81,129,400 $109.17 329
2023 Q4 50,215,355 $4,995,462,446 -$82,573,624 $99.48 332
2023 Q3 50,998,932 $5,261,567,682 -$18,183,014 $103.17 297
2023 Q2 51,181,250 $4,910,863,989 -$70,804,219 $95.95 295
2023 Q1 51,933,995 $4,950,672,688 +$82,473,711 $95.33 274
2022 Q4 51,118,631 $4,530,166,422 +$139,989,816 $88.61 268
2022 Q3 51,152,579 $4,164,212,909 -$191,650,025 $81.40 247
2022 Q2 50,737,502 $4,410,358,959 +$112,396,240 $86.94 242
2022 Q1 49,689,837 $4,439,569,396 +$48,773,684 $89.36 250
2021 Q4 49,122,317 $4,024,089,395 +$18,601,682 $81.94 242
2021 Q3 48,860,308 $3,691,238,527 -$40,801,226 $75.53 239
2021 Q2 49,373,026 $4,006,322,334 +$104,731,073 $81.15 236
2021 Q1 48,128,727 $3,491,673,221 +$1,736,112 $72.54 234
2020 Q4 48,172,267 $3,226,598,360 +$793,013 $66.98 235
2020 Q3 48,320,496 $2,487,944,643 +$9,006,861 $51.49 228
2020 Q2 48,132,903 $2,541,968,442 +$56,124,361 $52.74 224
2020 Q1 47,202,832 $2,345,936,692 +$9,333,175 $49.70 226
2019 Q4 46,547,503 $3,034,492,393 +$20,072,611 $65.19 264
2019 Q3 46,514,747 $3,497,031,403 -$76,642,528 $75.19 283
2019 Q2 47,519,030 $3,558,695,646 +$45,767,306 $74.89 239
2019 Q1 47,207,616 $2,988,098,471 -$5,003,990 $63.28 236
2018 Q4 47,311,057 $2,882,090,842 +$13,043,671 $60.94 240
2018 Q3 46,996,160 $2,983,535,118 +$7,166,572 $63.50 214
2018 Q2 46,903,101 $2,580,093,796 +$27,796,987 $55.00 207
2018 Q1 46,369,480 $2,814,559,443 +$10,079,579 $60.70 226
2017 Q4 46,245,073 $2,714,558,310 -$14,245,244 $58.70 217
2017 Q3 46,164,137 $2,485,837,399 +$13,064,321 $53.85 200
2017 Q2 46,239,254 $2,314,873,902 +$8,682,180 $50.05 210
2017 Q1 46,346,505 $2,185,292,884 +$300,231,595 $47.15 206
2016 Q4 45,586,104 $1,962,189,694 +$10,852,389 $43.05 212
2016 Q3 45,420,964 $1,809,014,655 +$26,004,825 $39.86 201
2016 Q2 44,824,999 $1,712,651,965 +$27,145,699 $38.21 210
2016 Q1 44,132,417 $1,615,147,319 +$25,412,717 $36.61 211
2015 Q4 43,474,327 $1,460,186,206 +$8,767,241 $33.58 209
2015 Q3 43,458,650 $1,351,398,751 +$21,684,374 $31.06 209
2015 Q2 42,558,261 $1,193,818,550 +$29,022,698 $28.05 187
2015 Q1 41,504,406 $1,205,234,552 +$18,383,573 $29.05 189
2014 Q4 40,994,485 $1,113,850,379 -$18,709,738 $27.17 174
2014 Q3 41,495,184 $918,708,358 +$2,410,365 $22.14 162
2014 Q2 41,368,996 $1,020,894,996 +$6,868,408 $24.72 165
2014 Q1 41,058,671 $957,464,160 +$7,366,116 $23.32 156
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