Security key
410867105
- Security type / class
- Equity / COM
- Total 13F shares
- 31,373,807
- Share change
- -889,303
- Total reported value
- $5,697,505,767
- Put/Call ratio
- 172%
- Reported price per share
- $181.63
- Number of holders
- 457
- Value change
- -$154,915,403
- Number of buys
- 235
- Number of sells
- 178
Security identity
Holder snapshot
Report period
Q3 2025
Institutions
457
Top holders
10
THG full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q4 2025
Previous quarter: Q2 2025
HANOVER INSURANCE GROUP, INC. SEC filings
HANOVER INSURANCE GROUP, INC. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 410867105
Recent filing periods:
Ownership snapshot
Top reported holders of THG - HANOVER INSURANCE GROUP, INC. - COM (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Lead holder
VANGUARD GROUP INC
13D/G signal
—
Evidence rows
15
Latest as of
30 Jun 2025
13F
Highest disclosed value: $629,585,784
Showing 1-6 of 15 holder rows.
Rank 1 holder
VANGUARD GROUP INC
13F
- Ownership
- —
- Position
- $629.59M
Rank 2 holder
BlackRock, Inc.
13F
- Ownership
- —
- Position
- $613.35M
Rank 3 holder
PRICE T ROWE ASSOCIATES INC /MD/
13F
- Ownership
- —
- Position
- $288.02M
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| VANGUARD GROUP INC |
13F
Company
|
—
class O/S missing
|
$629,585,784
3,706,280 shares
|
— | 30 Jun 2025 |
| BlackRock, Inc. |
13F
Company
|
—
class O/S missing
|
$613,345,725
3,610,677 shares
|
— | 30 Jun 2025 |
| PRICE T ROWE ASSOCIATES INC /MD/ |
13F
Company
|
—
class O/S missing
|
$288,020,000
1,695,528 shares
|
— | 30 Jun 2025 |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ |
13F
Company
|
—
class O/S missing
|
$219,901,302
1,294,527 shares
|
— | 30 Jun 2025 |
| ALLIANCEBERNSTEIN L.P. |
13F
Company
|
—
class O/S missing
|
$217,504,606
1,280,418 shares
|
— | 30 Jun 2025 |
| STATE STREET CORP |
13F
Company
|
—
class O/S missing
|
$215,798,262
1,270,373 shares
|
— | 30 Jun 2025 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q3 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
457
Shares
31,373,807
Rows available
457
| Investor | Option | Weight % | Change % | Reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* Reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that failed the local validity check.
Compare Q3 2025 vs Q2 2025 Across Filers
Q2 2025 holders
430
Q3 2025 holders
457
Holder diff
27
| Investor | Q2 2025 Shares | Q3 2025 Shares | Share Diff | Share Chg % | Q2 2025 value | Q3 2025 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend