Who owns HANOVER INSURANCE GROUP, INC.?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of THG from SEC Form 13F filings across 543 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 543 institutions disclosed 32.1M shares of HANOVER INSURANCE GROUP, INC. worth $6.83B — about 91.7% of shares outstanding; the largest disclosed holder is BlackRock, Inc.. Source: SEC Form 13F filings, parsed by EvidInvest.
543
13F holders
$6.83B
value, 2026 filers
91.7%
of shares outstanding (32.1M sh)
90
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of THG's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 3.5M | $756.5M | 0.0% | 10.1% | -4.0% |
| 2 | VANGUARD PORTFOLIO MANAGEMENT LLC | 1.9M | $411.0M | 0.0% | 5.5% | -0.7% |
| 3 | PRICE T ROWE ASSOCIATES INC /MD/ | 1.8M | $392.2M | 0.0% | 5.2% | +32.3% |
| 4 | STATE STREET CORP | 1.6M | $348.4M | 0.0% | 4.6% | -0.3% |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | 1.5M | $312.3M | 0.0% | 4.2% | +0.4% |
| 6 | AQR CAPITAL MANAGEMENT LLC | 1.3M | $287.2M | 0.1% | 3.8% | +32.3% |
| 7 | FULLER & THALER ASSET MANAGEMENT, INC. | 1.1M | $233.3M | 0.6% | 3.1% | +10.1% |
| 8 | AMERICAN CENTURY COMPANIES INC | 1.1M | $230.8M | 0.1% | 3.1% | +7.5% |
| 9 | DIMENSIONAL FUND ADVISORS LP | 1.0M | $220.7M | 0.0% | 2.9% | +6.2% |
| 10 | ALLIANCEBERNSTEIN L.P. | 909,130 | $157.6M | 0.1% | 2.6% | +9.3% |
| 11 | FIRST TRUST ADVISORS LP | 824,257 | $176.5M | 0.1% | 2.4% | -0.4% |
| 12 | GEODE CAPITAL MANAGEMENT, LLC | 729,091 | $156.1M | 0.0% | 2.1% | +0.1% |
| 13 | AMERIPRISE FINANCIAL INC | 699,163 | $149.7M | 0.0% | 2% | +0.6% |
| 14 | MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 595,647 | $127.5M | 0.0% | 1.7% | -0.5% |
| 15 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 453,309 | $97.1M | 0.0% | 1.3% | -3.7% |
| 16 | Invesco Ltd. | 452,418 | $96.9M | 0.0% | 1.3% | -0.1% |
| 17 | MORGAN STANLEY | 450,920 | $96.6M | 0.0% | 1.3% | -2.5% |
| 18 | NORGES BANKNEW | 447,262 | $95.8M | 0.0% | 1.3% | new |
| 19 | VAUGHAN NELSON INVESTMENT MANAGEMENT, L.P. | 372,514 | $79.8M | 0.7% | 1.1% | +126.2% |
| 20 | LONDON CO OF VIRGINIA | 360,801 | $77.3M | 0.4% | 1% | -5.5% |
| 21 | NORTHERN TRUST CORP | 342,036 | $73.2M | 0.0% | 1% | 0.0% |
| 22 | Allspring Global Investments Holdings, LLC | 333,520 | $72.3M | 0.1% | 1% | -16.9% |
| 23 | GOLDMAN SACHS GROUP INC | 329,424 | $70.5M | 0.0% | 0.9% | +50.6% |
| 24 | Bank of New York Mellon Corp | 324,496 | $69.5M | 0.0% | 0.9% | -4.2% |
| 25 | Woodline Partners LP | 321,972 | $68.9M | 0.2% | 0.9% | -23.2% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.