330 tracked 13F filers disclose a position in SIGI as of the latest SEC 13F filings, a combined $3.9B in reported value. Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | $565.4M | 7.5M | ▲+0.3% Added · +26K sh | Q1 2026 | |
| 2 | AQR CAPITAL MANAGEMENT LLC | $296.8M | 3.9M | ▼−3.0% Reduced · −123K sh | Q1 2026 | |
| 3 | VANGUARD PORTFOLIO MANAGEMENT LLC | $260.8M | 3.5M | →First observed position No prior filed position | Q1 2026 | |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | $202.2M | 2.7M | →First observed position No prior filed position | Q1 2026 | |
| 5 | FMR LLC | $188.6M | 2.5M | ▼−49% Reduced · −2.4M sh | Q1 2026 | |
| 6 | STATE STREET CORP | $237.8M | 2.5M | ▲+5.4% Added · +125K sh | Q2 2026 | |
| 7 | GEODE CAPITAL MANAGEMENT, LLC | $177.1M | 1.8M | ▲+6.8% Added · +116K sh | Q2 2026 | |
| 8 | FIRST TRUST ADVISORS LP | $104.2M | 1.4M | ▲+33% Added · +345K sh | Q1 2026 | |
| 9 | DIMENSIONAL FUND ADVISORS LP | $102.5M | 1.4M | ▲+3.4% Added · +45K sh | Q1 2026 | |
| 10 | AMERICAN CENTURY COMPANIES INC | $95.5M | 1.3M | ▲+108% Added · +657K sh | Q1 2026 | |
| 11 | MORGAN STANLEY | $84.6M | 1.1M | ▼−2.0% Reduced · −23K sh | Q1 2026 | |
| 12 | VAUGHAN NELSON INVESTMENT MANAGEMENT, L.P. | $90.3M | 931K | ▲+101% Added · +467K sh | Q2 2026 | |
| 13 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $67.4M | 894K | ▲+0.4% Added · +3K sh | Q1 2026 | |
| 14 | NORTHERN TRUST CORP | $65.6M | 870K | ▲+0.2% Added · +2K sh | Q1 2026 | |
| 15 | NORGES BANK | $65.6M | 784K | ▲+11% Added · +75K sh | Q4 2025 | |
| 16 | JANUS HENDERSON GROUP PLC | $59.1M | 784K | ▲+0.2% Added · +2K sh | Q1 2026 | |
| 17 | BANK OF AMERICA CORP /DE/ | $57.2M | 759K | ▲+2.5% Added · +19K sh | Q1 2026 | |
| 18 | GOLDMAN SACHS GROUP INC | $45.5M | 603K | ▲+21% Added · +106K sh | Q1 2026 | |
| 19 | FRANKLIN RESOURCES INC | $41.9M | 555K | ▲+0.5% Added · +3K sh | Q1 2026 | |
| 20 | JACOBS LEVY EQUITY MANAGEMENT, INC | $41.4M | 550K | ▼−19% Reduced · −126K sh | Q1 2026 | |
| 21 | Verition Fund Management LLC | $51.8M | 534K | ▲+10% Added · +50K sh | Q2 2026 | |
| 22 | RAYMOND JAMES FINANCIAL INC | $36.6M | 485K | ▲+15% Added · +63K sh | Q1 2026 | |
| 23 | Bank of New York Mellon Corp | $36.4M | 483K | ▲+0.1% Added · +520 sh | Q1 2026 | |
| 24 | MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | $35.9M | 477K | ▼−1.2% Reduced · −6K sh | Q1 2026 | |
| 25 | Qube Research & Technologies Ltd | $35.3M | 469K | ▲New +469K sh | Q1 2026 |
Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.
Last quarter, 8 funds opened a new position in SIGI and 20 added to an existing one, while 22 reduced and 0 exited entirely — based on 13F filings from active, signal-eligible managers (passive index funds and other mechanical holders are excluded from this count).
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 178 funds | $247.6B |
| ELI LILLY & COLLY | 173 funds | $71.9B |
| AMAZON.COM INCAMZN | 171 funds | $187.3B |
| NVIDIA CORPNVDA | 170 funds | $359.9B |
| APPLE INCAAPL | 170 funds | $272.0B |
| JPMORGAN CHASE & COJPM | 168 funds | $56.6B |
| META PLATFORMS INC-CLASS AMETA | 167 funds | $101.6B |
| ALPHABET INC-CL AGOOGL | 165 funds | $147.4B |
| BROADCOM INCAVGO | 164 funds | $145.6B |
| CHEVRON CORPCVX | 164 funds | $28.3B |
| VISA INC-CLASS A SHARESV | 163 funds | $55.7B |
| ALPHABET INC-CL CGOOG | 161 funds | $116.5B |
Ranked by how many of SIGI's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Jul 28, 2026 | Lanza Michael H | EVP and General Counsel | Sell (S) | 17K | $1.6M |
| Feb 17, 2026 | Harnett Anthony D. | SVP, Chief Accounting Officer | Sell (S) | 1K | $93K |
| Feb 2, 2026 | Harnett Anthony D. | SVP, Chief Accounting Officer | Sell (S) | 955 | $81K |
| Feb 2, 2026 | Bacus Lisa R | Director | Buy (P) | 600 | $51K |
| Oct 24, 2025 | Brennan Patrick Sean | EVP, Chief Financial Officer | Buy (P) | 3K | $206K |
| Aug 1, 2025 | DOHERTY ROBERT KELLY | Director | Buy (P) | 2K | $116K |
| Jul 28, 2025 | Marchioni John J. | President and CEO, Director | Buy (P) | 3K | $249K |
| Jul 28, 2025 | McCarthy Thomas A | Director | Buy (P) | 3K | $194K |
| Jul 25, 2025 | Cavanaugh Terrence W | Director | Buy (P) | 2K | $151K |
| Jul 25, 2025 | Eppers Joseph | EVP, Chief Investment Officer | Buy (P) | 1K | $108K |
| Apr 25, 2025 | Harnett Anthony D. | SVP, Chief Accounting Officer | Sell (S) | 1K | $118K |
| Mar 3, 2025 | Marchioni John J. | President and CEO, Director | Buy (P) | 1K | $102K |
Connected entities for SIGI
This stock page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/stocks/SIGI/capital-change-brief"
Use Arkolith's capital_change_brief for SIGI. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for SIGI. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.