# HANOVER INS GROUP INC COM

HANOVER INS GROUP INC COM is a security (CUSIP 410867105) tracked across SEC portfolio filings. 539 institutional managers reported $5.3B on Form 13F as of 2026-06-30; 46 registered fund positions totaling $550.3M via N-PORT as of 2026-06-30.

## Summary

- Issuer: HANOVER INS GROUP INC
- Class: COM
- CUSIP: 410867105
- Asset category: EC
- 13F holders: 539
- 13F value: $5.3B
- 13F period: 2026-06-30
- N-PORT fund positions: 46
- N-PORT value: $550.3M
- N-PORT report: 2026-06-30

## Top institutional holders (Form 13F)

_Showing 15 of 539 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| BlackRock, Inc. | New York, NY | $756.5M | 3,532,932 |
| [VANGUARD GROUP INC](https://search.stillhousedata.com/firm/105958) | Valley Forge, PA | $669.0M | 3,660,213 |
| STATE STREET CORP | BOSTON, MA | $348.4M | 1,627,020 |
| [AQR CAPITAL MANAGEMENT LLC](https://search.stillhousedata.com/firm/111883) | Greenwich, CT | $175.4M | 1,013,395 |
| AMERICAN CENTURY COMPANIES INC | KANSAS CITY, MO | $173.8M | 1,002,527 |
| FULLER & THALER ASSET MANAGEMENT, INC. | San Mateo, CA | $171.6M | 989,837 |
| DIMENSIONAL FUND ADVISORS LP | AUSTIN, TX | $168.2M | 970,177 |
| [ALLIANCEBERNSTEIN L.P.](https://search.stillhousedata.com/firm/108477) | NASHVILLE, TN | $152.0M | 831,545 |
| FIRST TRUST ADVISORS LP | Wheaton, IL | $143.4M | 827,320 |
| [MASSACHUSETTS FINANCIAL SERVICES CO /MA/](https://search.stillhousedata.com/firm/110045) | Boston, MA | $127.5M | 595,647 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://search.stillhousedata.com/firm/115504) | BOSTON, MA | $126.3M | 728,167 |
| [Qube Research & Technologies Ltd](https://search.stillhousedata.com/firm/304552) | LONDON, X0 | $85.4M | 492,751 |
| [CHARLES SCHWAB INVESTMENT MANAGEMENT INC](https://search.stillhousedata.com/firm/106753) | SAN FRANCISCO, CA | $81.6M | 470,830 |
| MORGAN STANLEY | NEW YORK, NY | $80.2M | 462,672 |
| [VAUGHAN NELSON INVESTMENT MANAGEMENT, L.P.](https://search.stillhousedata.com/firm/106975) | HOUSTON, TX | $79.8M | 372,514 |

## Top fund holders (N-PORT)

_Showing 15 of 46 fund positions by value._

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| State Street SPDR S&P MidCap 400SM ETF Trust | SPDR S&P MIDCAP 400 ETF TRUST | $185.0M | 76.40% |
| [T. Rowe Price Mid-Cap Value Fund, Inc.](https://search.stillhousedata.com/fund/S000002103) | T. ROWE PRICE MID-CAP VALUE FUND, INC. | $110.5M | 74.73% |
| [VANGUARD EXTENDED MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002841) | VANGUARD INDEX FUNDS | $68.5M | 8.41% |
| [MFS Mid Cap Value Fund](https://search.stillhousedata.com/fund/S000002499) | MFS SERIES TRUST XI | $48.5M | 30.33% |
| [VANGUARD PRIMECAP CORE FUND](https://search.stillhousedata.com/fund/S000002581) | VANGUARD FENWAY FUNDS | $22.4M | 16.56% |
| [VANGUARD STRATEGIC EQUITY FUND](https://search.stillhousedata.com/fund/S000002593) | VANGUARD HORIZON FUNDS | $20.9M | 20.64% |
| [MFS New Discovery Value Fund](https://search.stillhousedata.com/fund/S000032712) | MFS SERIES TRUST XIII | $19.8M | 79.71% |
| [Heartland Value Plus Fund](https://search.stillhousedata.com/fund/S000003524) | HEARTLAND GROUP INC. | $12.1M | 413.16% |
| [Bridge Builder Tax Managed Small/Mid Cap Fund](https://search.stillhousedata.com/fund/S000076295) | Bridge Builder Trust | $9.5M | 31.20% |
| [T. Rowe Price Diversified Mid-Cap Growth Fund, Inc.](https://search.stillhousedata.com/fund/S000002073) | T. ROWE PRICE DIVERSIFIED MID-CAP GROWTH FUND, INC. | $5.1M | 12.04% |
| [Columbia Mid Cap Index Fund](https://search.stillhousedata.com/fund/S000010826) | COLUMBIA FUNDS SERIES TRUST | $4.7M | 18.53% |
| [T. Rowe Price Financial Services Fund, Inc.](https://search.stillhousedata.com/fund/S000002084) | T. ROWE PRICE FINANCIAL SERVICES FUND, INC. | $4.2M | 24.26% |
| [Large Cap Index Master Portfolio](https://search.stillhousedata.com/fund/S000033023) | Master Investment Portfolio | $3.5M | 0.98% |
| [VANGUARD BALANCED INDEX FUND](https://search.stillhousedata.com/fund/S000002560) | VANGUARD VALLEY FORGE FUNDS | $3.1M | 0.52% |
| [AGF U.S. Market Neutral Anti-Beta Fund](https://search.stillhousedata.com/fund/S000033013) | AGF Investments Trust | $3.0M | 74.57% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/410867105.md)
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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.