White Mountains Insurance Group

Insurance and reinsurance / Insurance and Financial Services

🚀 Founded 1980 🌎 USA 🏷️ WTM BMG9618E1075 ⭐ 500 DCF -18157.49 💰2177.02

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Date	Press release
2026-02-26 17:00:00	Bishop Street Underwriters Announces Strategic Investment By White Mountains New york, feb. 26, 2026 (globe newswire) -- bishop street underwriters (“bishop street”), a redbird capital partners portfolio company, today announced that it has completed a strategic structured capital investment of $125 million by white mountains insurance group, ltd. (“white mountains”) (nyse: wtm).
2026-02-06 08:00:00	White Mountains Reports Fourth Quarter Results Hamilton, bermuda, feb. 6, 2026 /prnewswire/ -- white mountains insurance group, ltd. (nyse: wtm) reported book value per share of $2,188 as of december 31, 2025, an increase of 18% for the fourth quarter of 2025 and 25% for the year ended december 31, 2025, including dividends.
2025-12-24 08:00:00	White Mountains Announces Final Results Of Its Tender Offer Hamilton, bermuda , dec. 24, 2025 /prnewswire/ -- white mountains insurance group, ltd. (nyse: wtm) announced today the final results of its ’modified dutch auction’ tender offer.
2025-12-22 08:00:00	White Mountains Announces Preliminary Results Of Its Tender Offer Hamilton, bermuda , dec. 22, 2025 /prnewswire/ -- white mountains insurance group, ltd. (nyse: wtm) announced today the preliminary results of its ’modified dutch auction’ tender offer to purchase up to $300 million in value of its common shares.
2025-12-08 08:00:00	White Mountains Completes Sale Of Bamboo Hamilton, bermuda , dec. 8, 2025 /prnewswire/ -- white mountains insurance group, ltd. (nyse: wtm) (’white mountains’) announced today that it has completed the sale of a controlling interest in bamboo to affiliates of funds advised by cvc capital partners (’cvc’).
2025-11-21 06:00:00	V2hpdGUgTW 91bnRhaW5z IFRvIENvbW 1lbmNlIFNl bGYtdGVuZG VyIE9mZmVy IFRvIFB1cm NoYXNlIFVw IFRvICQzMD AgTWlsbGlv biBJbiBWYW x1ZSBPZiBJ dHMgQ29tbW 9uIFNoYXJl cw== SGFtaWx0b2 4sIGJlcm11 ZGEgLCBub3 YuIDIxLCAy MDI1IC9wcm 5ld3N3aXJl LyAtLcKgd2 hpdGUgbW91 bnRhaW5zIG luc3VyYW5j ZSBncm91cC wgbHRkLiAo bnlzZTogd3 RtKSBhbm5v dW5jZWQgdG 9kYXkgdGhh dCBpdCBoYX MgY29tbWVu Y2VkIGEg4o CZbW9kaWZp ZWQgZHV0Y2 ggYXVjdGlv buKAmSBzZW xmLXRlbmRl ciBvZmZlci B0byBwdXJj aGFzZSB1cC B0byAkMzAw IG1pbGxpb2 4gaW4gdmFs dWUgb2YgaX RzIGNvbW1v biBzaGFyZX MsIGF0IGEg cHVyY2hhc2 UgcHJpY2Ug bm90IGdyZW F0ZXIgdGhh biAkMiwwNT Agbm9yIGxl c3MgdGhhbi AkMSw4NTAg cGVyIHNoYX JlLCBpbiBj YXNoLCBsZX NzIGFueSBh cHBsaWNhYm xlIHdpdGho b2xkaW5nIH RheGVzIGFu ZCB3aXRob3 V0IGludGVy ZXN0Lg==
2025-11-06 08:00:00	V2hpdGUgTW 91bnRhaW5z IFJlcG9ydH MgVGhpcmQg UXVhcnRlci BSZXN1bHRz SGFtaWx0b2 4sIGJlcm11 ZGEgLCBub3 YuIDYsIDIw MjUgL3Bybm V3c3dpcmUv IC0tIHdoaX RlIG1vdW50 YWlucyBpbn N1cmFuY2Ug Z3JvdXAsIG x0ZC4gKG55 c2U6IHd0bS kgcmVwb3J0 ZWQgYm9vay B2YWx1ZSBw ZXIgc2hhcm Ugb2YgJDEs ODUxIGFzIG 9mIHNlcHRl bWJlciAzMC wgMjAyNSwg YW4gaW5jcm Vhc2Ugb2Yg MyUgZm9yIH RoZSB0aGly ZCBxdWFydG VyIG9mIDIw MjUgYW5kID YlIGZvciB0 aGUgZmlyc3 QgbmluZSBt b250aHMgb2 YgMjAyNSwg aW5jbHVkaW 5nIGRpdmlk ZW5kcy4=
2025-10-03 08:00:00	V2hpdGUgTW 91bnRhaW5z IFRvIFNlbG wgQmFtYm9v IFRvIEN2Yw == SGFtaWx0b2 4sIGJlcm11 ZGEgLCBvY3 QuIDMsIDIw MjUgL3Bybm V3c3dpcmUv IC0twqB3aG l0ZSBtb3Vu dGFpbnMgaW 5zdXJhbmNl IGdyb3VwLC BsdGQuIChu eXNlOsKgd3 RtKSAo4oCZ d2hpdGUgbW 91bnRhaW5z 4oCZKSBhbm 5vdW5jZWQg dG9kYXkgdG hhdCBpdCBo YXMgc2lnbm VkIGEgZGVm aW5pdGl2ZS BhZ3JlZW1l bnQgdG8gc2 VsbCBhIGNv bnRyb2xsaW 5nIGludGVy ZXN0IGluIG JhbWJvbywg YSBkYXRhLW VuYWJsZWQg aW5zdXJhbm NlIGRpc3Ry aWJ1dGlvbi BwbGF0Zm9y bSBwcm92aW RpbmcgaG9t ZW93bmVyc+ KAmSBpbnN1 cmFuY2UgYW 5kIHJlbGF0 ZWQgcHJvZH VjdHMgdG8g dGhlIHJlc2 lkZW50aWFs IHByb3Blcn R5IG1hcmtl dCBpbiBjYW xpZm9ybmlh IGFuZCB0ZX hhcywgdG8g ZnVuZHMgYW R2aXNlZCBi eSBjdmMgY2 FwaXRhbCBw YXJ0bmVycy Ao4oCZY3Zj 4oCZKS4=
2025-09-30 08:00:00	QmFtYm9vIF Bpb25lZXJz IE1nYS1zcG 9uc29yZWQg U2lkZWNhci BFeHBhbnNp b24gV2l0aC BBY2NyZWRp dGVkIFRvIE xhdW5jaCBF JnMgU2lnbm F0dXJlIElu IFRleGFz TWlkdmFsZS wgdXRhaCAs IHNlcHQuID MwLCAyMDI1 IC9wcm5ld3 N3aXJlLyAt LcKgYmFtYm 9vIGlkZTgg aW5zdXJhbm NlIHNlcnZp Y2VzLCBsbG Mu
2025-09-02 08:03:00	TGlhbSBDYW ZmcmV5IFRv IEJlY29tZS BDZW8gT2Yg V2hpdGUgTW 91bnRhaW5z IEluIDIwMj Y= SGFtaWx0b2 4sIGJlcm11 ZGEgLCBzZX B0LiAyLCAy MDI1IC9wcm 5ld3N3aXJl LyAtLcKgd2 hpdGUgbW91 bnRhaW5zIG luc3VyYW5j ZSBncm91cC wgbHRkLg==
2025-08-07 08:00:00	V2hpdGUgTW 91bnRhaW5z IFJlcG9ydH MgU2Vjb25k IFF1YXJ0ZX IgUmVzdWx0 cw== SGFtaWx0b2 4sIGJlcm11 ZGEgLCBhdW cuIDcsIDIw MjUgL3Bybm V3c3dpcmUv IC0twqB3aG l0ZSBtb3Vu dGFpbnMgaW 5zdXJhbmNl IGdyb3VwLC BsdGQuIChu eXNlOiB3dG 0pIHJlcG9y dGVkIGJvb2 sgdmFsdWUg cGVyIHNoYX JlIG9mICQx LDgwNCBhcy BvZiBqdW5l IDMwLCAyMD I1LCBhbiBp bmNyZWFzZS BvZiAzJSBm b3IgYm90aC B0aGUgc2Vj b25kIHF1YX J0ZXIgb2Yg MjAyNSBhbm QgdGhlIGZp cnN0IHNpeC Btb250aHMg b2YgMjAyNS wgaW5jbHVk aW5nIGRpdm lkZW5kcy4=
2025-07-21 14:43:00	QW0gQmVzdC BBc3NpZ25z IENyZWRpdC BSYXRpbmdz IFRvIERhdm lkc2hpZWxk IEluc3VyYW 5jZSBDb21w YW55 TG9uZG9uLS 0oYnVzaW5l c3Mgd2lyZS ktLWFtIGJl c3QgaGFzIG Fzc2lnbmVk IGEgZmluYW 5jaWFsIHN0 cmVuZ3RoIH JhdGluZyBv ZiBiKysgKG dvb2QpIGFu ZCBhIGxvbm ctdGVybSBp c3N1ZXIgY3 JlZGl0IHJh dGluZyBvZi DigJxiYmIr 4oCdIChnb2 9kKSB0byBk YXZpZHNoaW VsZCBpbnN1 cmFuY2UgY2 9tcGFueSAo ZHNpYykgKG lzcmFlbCku IGRzaWMgaX MgYSB3aG9s bHkgb3duZW Qgc3Vic2lk aWFyeSBvZi BkYXZpZHNo aWVsZCBwYX NzcG9ydGNh cmQgbHRkIC hwYXNzcG9y dGNhcmQgZ3 JvdXApLCB3 aGljaCBpcy B1bHRpbWF0 ZWx5IG1ham 9yaXR5LW93 bmVkIGJ5IG l0cyBwYXJl bnQgY29tcG FueSwgd2hp dGUgbW91bn RhaW5zIGlu c3VyYW5jZS Bncm91cCwg bHRkLiAod3 RtKSBbbnlz ZTogd3RtXS 4gdGhlIG91 dGxvb2sgYX NzaWduZWQg dG8gdGhlc2 UgY3JlZGl0 IHJhdGluZ3 MgKHJhdGlu Z3MpIGlzIH N0YWJsZS4g dGhlIHJhdG luZ3MgcmVm bGVjdCBkc2 lj4oCZcyBi YWxhbmNlIH NoZS4=
2025-07-07 09:15:00	TWFqb3JpdH kgU3Rha2Ug SW4gRGlzdG luZ3Vpc2hl ZCBQcm9ncm FtcyBBY3F1 aXJlZCBCeS BXaGl0ZSBN b3VudGFpbn M= TmV3IHlvcm stLShidXNp bmVzcyB3aX JlKS0tZGlz dGluZ3Vpc2 hlZCBwcm9n cmFtcyAo4o CcZGlzdGlu Z3Vpc2hlZO KAnSBvciB0 aGUg4oCcY2 9tcGFueeKA nSksIGEgbm F0aW9uYWwg c3BlY2lhbH R5IGluc3Vy YW5jZSBtZ2 EgYW5kIHBy b2dyYW0gbW FuYWdlciwg aXMgcGxlYX NlZCB0byBh bm5vdW5jZS B0aGF0IGl0 IGhhcyBlbn RlcmVkIGlu dG8gYSBkZW Zpbml0aXZl IGFncmVlbW VudCBpbiB3 aGljaCB3aG l0ZSBtb3Vu dGFpbnMgaW 5zdXJhbmNl IGdyb3VwLC BsdGQuICji gJx3aGl0ZS Btb3VudGFp bnPigJ0pIH dpbGwgYWNx dWlyZSBhIG 1ham9yaXR5 IHN0YWtlIG luIHRoZSBj b21wYW55Li B3aGl0ZSBt b3VudGFpbn Mgd2lsbCBz dXBwb3J0IG Rpc3Rpbmd1 aXNoZWTigJ lzIGNvbnRp bnVlZCBvcm dhbmljIGFu ZCBpbm9yZ2 FuaWMgZ3Jv d3RoIHN0cm F0ZWd5LiBk aXN0aW5ndW lzaGVkIHdp bGwgY29udG ludWUgdG8g YmUgbGVkIG J5IGluZHVz dHJ5IHZldG VyYW5zIGJp bGwgbWFsbG 95IChjZW8p LCBqLg==
2025-07-07 08:45:00	V2hpdGUgTW 91bnRhaW5z IFRvIEFjcX VpcmUgQSBN YWpvcml0eS BTdGFrZSBJ biBEaXN0aW 5ndWlzaGVk IFByb2dyYW 1z SGFtaWx0b2 4sIGJlcm11 ZGEgLCBqdW x5IDcsIDIw MjUgL3Bybm V3c3dpcmUv IC0tIHdoaX RlIG1vdW50 YWlucyBpbn N1cmFuY2Ug Z3JvdXAsIG x0ZC4gKG55 c2U6IHd0bS kgYW5ub3Vu Y2VkIHRvZG F5IHRoYXQg aXQgaGFzIG VudGVyZWQg aW50byBhbi BhZ3JlZW1l bnQgdG8gYW NxdWlyZSBh IG1ham9yaX R5IHN0YWtl IGluIGRpc3 Rpbmd1aXNo ZWQgcHJvZ3 JhbXMgKOKA mWRpc3Rpbm d1aXNoZWTi gJkgb3IgdG hlIOKAmWNv bXBhbnnigJ kpLCBhbiBt Z2EgYW5kIH Byb2dyYW0g YWRtaW5pc3 RyYXRvciBm b3Igc3BlY2 lhbHR5IHBy b3BlcnR5IC YgY2FzdWFs dHkgaW5zdX JhbmNlLg==
2025-05-19 08:00:00	V2hpdGUgTW 91bnRhaW5z IFRvIEhvbG QgMjAyNSBB bm51YWwgSW 52ZXN0b3Ig SW5mb3JtYX Rpb24gTWVl dGluZyBPbi BKdW5lIDYs IDIwMjU= SGFtaWx0b2 4sIGJlcm11 ZGEgLCBtYX kgMTksIDIw MjUgL3Bybm V3c3dpcmUv IC0tIHdoaX RlIG1vdW50 YWlucyBpbn N1cmFuY2Ug Z3JvdXAsIG x0ZC4gKG55 c2U6IHd0bS kgd2lsbCBo b2xkIGl0cy Bhbm51YWwg aW52ZXN0b3 IgaW5mb3Jt YXRpb24gbW VldGluZyBv bjogZGF0ZT ogZnJpZGF5 LCA2IGp1bm UsIDIwMjUg dGltZTrCoC AxMDowMCBh Lm0u

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