漢諾威保險集團有限公司
US ˙ NYSE ˙ US4108671052

SecurityTHG / The Hanover Insurance Group, Inc.
InstitutionMorgan Stanley
Latest Disclosed Ownership462,672 shares
Latest Disclosed Value $ 80,204,796
Morgan Stanley reports 14.92% increase in ownership of THG / The Hanover Insurance Group, Inc.

On May 15, 2026 - Morgan Stanley filed a 13F-HR form disclosing ownership of 462,672 shares of The Hanover Insurance Group, Inc. (US:THG) valued at $80,204,191 USD as of March 31, 2026. The entity filed a previous 13F-HR/A on May 27, 2026 disclosing 402,613 shares of The Hanover Insurance Group, Inc.. This represents a change in shares of 14.92% during the quarter. The current value of the position is $86,515,037 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date		 Effective
Date		Form Security Class ID Avg Price
Paid (Est)		 Reported
Shares		 ΔShares ΔShares
(%)		 Reported
Value
(x1000)		 ΔValue
(%)		 Alloc
(%)		 ΔAlloc ΔAlloc (%) Cost Basis
(x1000)		 Unrealized
Gain/Loss
(x1000)
2026-05-15 2026-03-31 13F HANOVER INS GROUP COM 410867105 462,672 60,059 14.92 80,205 9.00 0.0048
2026-05-27 2025-12-31 13F/A-1 HANOVER INS GROUP COM 410867105 402,613 37,970 10.41 73,586 11.11 0.0044
2026-02-13 2025-12-31 13F HANOVER INS GROUP COM 410867105 402,613 37,970 73,586 0.0044
2026-05-27 2025-09-30 13F/A-1 HANOVER INS GROUP COM 410867105 364,643 38,807 11.91 66,230 19.66 0.0040
2025-11-14 2025-09-30 13F HANOVER INS GROUP COM 410867105 364,643 38,807 66,230 0.0040
2025-08-15 2025-06-30 13F HANOVER INS GROUP COM 410867105 325,836 -85,211 -20.73 55,350 -22.59 0.0036
2025-05-15 2025-03-31 13F HANOVER INS GROUP COM 410867105 411,047 -41,841 -9.24 71,502 2.08 0.0051
2025-05-15 2024-12-31 13F/A-1 HANOVER INS GROUP COM 410867105 452,888 20,234 4.68 70,044 9.31 0.0049
2025-02-14 2024-12-31 13F HANOVER INS GROUP COM 410867105 452,888 20,234 70,044 0.0049
2025-05-14 2024-09-30 13F/A-2 HANOVER INS GROUP COM 410867105 432,654 9,628 2.28 64,081 20.76 0.0046
2025-02-14 2024-09-30 13F/A-1 HANOVER INS GROUP COM 410867105 432,654 9,628 64,081 0.0046
2024-11-14 2024-09-30 13F HANOVER INS GROUP COM 410867105 432,654 9,628 64,081 0.0006
2025-05-14 2024-06-30 13F/A-2 HANOVER INS GROUP COM 410867105 423,026 2,927 0.70 53,065 -7.24 0.0041
2024-10-17 2024-06-30 13F/A-1 HANOVER INS GROUP COM 410867105 423,026 2,927 53,065 0.0041
2024-08-14 2024-06-30 13F HANOVER INS GROUP COM 410867105 423,026 2,927 53,065 0.0041
2024-10-17 2024-03-31 13F/A-2 HANOVER INS GROUP COM 410867105 420,099 24,267 6.13 57,205 19.02 0.0046
2024-08-16 2024-03-31 13F/A-1 HANOVER INS GROUP COM 410867105 420,099 24,267 57,205 0.0005
2024-05-15 2024-03-31 13F HANOVER INS GROUP COM 410867105 420,099 24,267 57,205 0.0046
2024-08-16 2023-12-31 13F/A-1 HANOVER INS GROUP COM 410867105 395,832 -34,813 -8.08 48,062 0.56 0.0042
2024-02-13 2023-12-31 13F HANOVER INS GROUP COM 410867105 395,832 -34,813 48,062 0.0042
2023-11-15 2023-09-30 13F HANOVER INS GROUP COM 410867105 430,645 101,823 30.97 47,793 28.59 0.0049
2023-08-14 2023-06-30 13F HANOVER INS GROUP COM 410867105 328,822 -22,779 -6.48 37,167 -17.74 0.0037
2023-05-15 2023-03-31 13F HANOVER INS GROUP COM 410867105 351,601 -49,256 -12.29 45,181 -16.59 0.0048
2023-02-14 2022-12-31 13F HANOVER INS GROUP COM 410867105 400,857 16,730 4.36 54,168 10.04 0.0062
2022-11-14 2022-09-30 13F HANOVER INS GROUP COM 410867105 384,127 9,860 2.63 49,224 -10.07 0.0067
2022-10-27 2022-06-30 13F/A-1 HANOVER INS GROUP COM 410867105 374,267 280,616 299.64 54,737 290.92 0.0071
2022-08-15 2022-06-30 13F HANOVER INS GROUP COM 410867105 374,267 280,616 54,737 0.0071
2022-10-27 2022-03-31 13F/A-1 HANOVER INS GROUP COM 410867105 93,651 26,137 38.71 14,002 58.21 0.0019
2022-05-13 2022-03-31 13F HANOVER INS GROUP COM 410867105 93,651 26,137 14,002 0.0019
2022-02-14 2021-12-31 13F HANOVER INS GROUP COM 410867105 67,514 -10,090 -13.00 8,850 -12.03 0.0011
2021-11-15 2021-09-30 13F HANOVER INS GROUP COM 410867105 77,604 5,870 8.18 10,060 3.40 0.0014
2021-08-23 2021-06-30 13F/A-1 HANOVER INS GROUP COM 410867105 71,734 23,675 49.26 9,729 56.36 0.0013
2021-08-16 2021-06-30 13F HANOVER INS GROUP COM 410867105 71,734 23,675 9,729 0.0003
2021-05-17 2021-03-31 13F HANOVER INS GROUP COM 410867105 48,059 -10,486 -17.91 6,222 -9.09 0.0009
2021-02-16 2020-12-31 13F HANOVER INS GROUP COM 410867105 58,545 38,664 194.48 6,844 269.35 0.0011
2020-11-13 2020-09-30 13F HANOVER INS GROUP COM 410867105 19,881 -20,150 -50.34 1,853 -54.31 0.0004
2020-08-14 2020-06-30 13F HANOVER INS GROUP COM 410867105 40,031 15,784 65.10 4,056 84.70 0.0009
2020-05-26 2020-03-31 13F/A-1 HANOVER INS GROUP COM 410867105 24,247 -11,894 -32.91 2,196 -55.55 0.0006
2020-05-15 2020-03-31 13F HANOVER INS GROUP COM 410867105 24,247 -11,894 2,196 168.6986
2020-02-14 2019-12-31 13F HANOVER INS GROUP COM 410867105 36,141 20,276 127.80 4,940 129.66 0.0011
2019-11-14 2019-09-30 13F HANOVER INS GROUP COM 410867105 15,865 -5,296 -25.03 2,151 -20.74 0.0006
2019-08-14 2019-06-30 13F HANOVER INS GROUP COM 410867105 21,161 544 2.64 2,714 15.29 0.0007
2019-05-15 2019-03-31 13F HANOVER INS GROUP COM 410867105 20,617 -25,859 -55.64 2,354 -56.62 0.0007
2019-02-14 2018-12-31 13F HANOVER INS GROUP COM 410867105 46,476 -28,481 -38.00 5,427 -41.31 0.0016
2019-04-23 2018-09-30 13F/A-2 HANOVER INS GROUP COM 410867105 74,957 -5,214 -6.50 9,247 -3.54 0.0023
2018-11-20 2018-09-30 13F/A-1 HANOVER INS GROUP COM 410867105 74,957 0 9,247 0.0023
2018-11-14 2018-09-30 13F HANOVER INS GROUP COM 410867105 74,957 -5,214 9,247
2019-04-23 2018-06-30 13F/A-1 HANOVER INS GROUP COM 410867105 80,171 -16,986 -17.48 9,586 -16.30 0.0026
2018-08-14 2018-06-30 13F HANOVER INS GROUP COM 410867105 80,171 -16,986 9,586
2019-04-23 2018-03-31 13F/A-1 HANOVER INS GROUP COM 410867105 97,157 9,577 10.94 11,453 20.99 0.0032
2018-05-14 2018-03-31 13F HANOVER INS GROUP COM 410867105 97,157 9,577 11,453
2019-04-23 2017-12-31 13F/A-1 HANOVER INS GROUP COM 410867105 87,580 -15,146 -14.74 9,466 -4.93 0.0026
2018-02-14 2017-12-31 13F HANOVER INS GROUP COM 410867105 87,580 -15,146 9,466
2017-11-14 2017-09-30 13F HANOVER INS GROUP COM 410867105 102,726 17,023 19.86 9,957 31.08 0.0030
2017-08-11 2017-06-30 13F HANOVER INS GROUP COM 410867105 85,703 -129,553 -60.19 7,596 -60.82 0.0023
2017-05-22 2017-03-31 13F/A-1 HANOVER INS GROUP COM 410867105 215,256 -21,831 -9.21 19,386 -10.15 0.0060
2017-05-12 2017-03-31 13F HANOVER INS GROUP COM 410867105 215,256 19,386
2017-02-22 2016-12-31 13F/A-1 HANOVER INS GROUP COM 410867105 237,087 -120,358 -33.67 21,577 -19.96 0.0071
2017-02-13 2016-12-31 13F HANOVER INS GROUP COM 410867105 237,087 21,577
2016-11-10 2016-09-30 13F HANOVER INS GROUP COM 410867105 357,445 -13,335 -3.60 26,958 -14.08 0.0092
2016-08-12 2016-06-30 13F HANOVER INS GROUP COM 410867105 370,780 91,473 32.75 31,376 24.52 0.0113
2016-05-12 2016-03-31 13F HANOVER INS GROUP COM 410867105 279,307 -108,197 -27.92 25,198 -20.05 0.0097
2016-02-09 2015-12-31 13F HANOVER INS GROUP COM 410867105 387,504 109,159 39.22 31,518 45.73 0.0114
2016-02-08 2015-09-30 13F/A-1 HANOVER INS GROUP COM 410867105 278,345 36,101 14.90 21,627 20.59 0.0080
2015-11-09 2015-09-30 13F HANOVER INS GROUP COM 410867105 278,345 21,627
2015-08-12 2015-06-30 13F HANOVER INS GROUP COM 410867105 242,244 67,670 38.76 17,934 41.54 0.0062
2015-05-14 2015-03-31 13F HANOVER INS GROUP COM 410867105 174,574 624 0.36 12,671 2.14 0.0047
2015-02-13 2014-12-31 13F HANOVER INS GROUP COM 410867105 173,950 -55,287 -24.12 12,406 -11.88 0.0045
2014-12-16 2014-09-30 13F/A-1 HANOVER INS GROUP COM 410867105 229,237 91,385 66.29 14,079 66.22 0.0054
2014-11-14 2014-09-30 13F HANOVER INS GROUP COM 410867105 229,237 14,079
2014-05-13 2014-03-31 13F HANOVER INS GROUP COM 410867105 137,852 -36,282 -20.84 8,470 -18.53 0.0035
2014-02-13 2013-12-31 13F HANOVER INS GROUP COM 410867105 174,134 77,440 80.09 10,397 94.34 0.0044
2013-11-13 2013-09-30 13F THE HANOVER INSURANCE GROUP COM 410867105 96,694 -24,949 -20.51 5,350 -10.11 0.0025
2013-08-08 2013-06-30 13F THE HANOVER INSURANCE GROUP COM 410867105 121,643 121,643 5,952 0.0030
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.