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Effectdossier · gearchiveerd kwartaal

WTM

White Mountains Insurance Group, Ltd. · Financial Services · Insurance - Diversified

2,160.3 +0.8% marktkapitalisatie $5.16B koers vertraagd (FMP) · per Oct 18 03:59 UTC · los van onderstaande aangiftegegevens

Q3 2026 Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024
107Gevolgde houders
0Δ houders
1.13MGehouden aandelen
$2.49BGerapporteerde waarde
+3Nieuwe posities
−4Uitstappen
Stable Overtuigingsscore 39/100 Hoe deze worden berekend → Dit toelichten aan de Research Desk →

Momentum-inputs (vergelijkbare managers): breedte van houders 0.0% · aandelenstroom +1.8% · netto nieuwe posities -0.9% · formule

Alle eigendomscijfers: uitsluitend gevolgde 13F-managers, posities in gewone aandelen, rapportageperiode Q1 2026

Eigendom in de tijd
KwartaalHoudersΔAandelenGerapporteerde waardeNieuwUitstappen
Q3 2026 1 0 692 $1.22M n/a n/a
Q2 2026 99 -4 1.16M $2.41B +3 −8
Q1 2026 107 0 1.13M $2.49B +3 −4
Q4 2025 108 +2 1.27M $2.64B +3 n/a
Q3 2025 16 +1 649.64K $1.09B +1 −1
Q2 2025 13 -1 533.60K $958.13M +1 −2
Q1 2025 11 +1 169.09K $325.53M +1 n/a
Q4 2024 10 0 193.12K $375.52M n/a n/a
Q3 2024 9 -1 149.43K $253.48M n/a −1
Q2 2024 10 n/a 158.36K $287.38M n/a n/a
Aantal houders
Wie het bezit · Q1 2026
#ManagerAandelenΔ aandelenWaardeHun gewichtGehouden
1 Dimensional Fund Advisors Lp 156.62K 0.0% $344.08M 0.1% ▲ Add 2 SEC ↗ ×5
2 Neuberger Berman Group LLC 124.72K -3.8% $273.99M 0.2% ▼ Trim 2 SEC ↗ ×2
3 BlackRock ✦ (passief) 113.33K +0.9% $248.98M 0.0% ▲ Add 4 SEC ↗ ×16
4 Vanguard Capital Management Llc 109.16K n/a $239.81M 0.0% n/c 1 SEC ↗
5 Morgan Stanley ✦ 59.30K -27.8% $130.27M 0.0% ▼ Trim 3 SEC ↗ ×14
6 Boston Partners 57.46K -25.3% $126.22M 0.1% ▼ Trim 2 SEC ↗ ×4
7 State Street Global Advisors ✦ (passief) 49.16K -3.0% $108.00M 0.0% ▼ Trim 6 SEC ↗
8 Geode Capital Management ✦ (passief) 42.12K +1.4% $92.56M 0.0% ▲ Add 8 SEC ↗ ×2
9 Bank Of America Corp /De/ 28.36K -1.6% $62.30M 0.0% ▼ Trim 2 SEC ↗ ×6
10 Charles Schwab Investment… 24.24K +4.3% $53.26M 0.0% ▲ Add 2 SEC ↗
11 Raymond James Financial Inc 23.95K -0.1% $52.62M 0.0% ▼ Trim 2 SEC ↗ ×4
12 Allspring Global Investments… 18.61K -7.8% $40.55M 0.1% ▼ Trim 2 SEC ↗ ×2
13 Brown Advisory Inc 17.84K -5.9% $39.20M 0.1% ▼ Trim 2 SEC ↗ ×2
14 Goldman Sachs Group ✦ 15.78K +200.1% $34.67M 0.0% ▲ Add 3 SEC ↗ ×3
15 Envestnet Asset Management Inc 15.56K -1.5% $34.19M 0.0% ▼ Trim 2 SEC ↗
16 Northern Trust Corp 15.49K -7.0% $34.04M 0.0% ▼ Trim 2 SEC ↗ ×5
17 Wellington Management ✦ 14.88K -6.5% $32.70M 0.0% ▼ Trim 8 SEC ↗ ×4
18 Jane Street Group, Llc 13.81K +708.9% $30.34M 0.0% ▲ Add 2 SEC ↗ ×2
19 Victory Capital Management Inc 11.14K +77.0% $24.49M 0.0% ▲ Add 2 SEC ↗
20 Sei Investments Co 11.10K +40.2% $24.38M 0.0% ▲ Add 2 SEC ↗ ×2
21 Susquehanna International Group, Llp 10.96K +8206.8% $24.09M 0.0% ▲ Add 2 SEC ↗
22 UBS Group AG 10.44K +74.0% $22.94M 0.0% ▲ Add 2 SEC ↗ ×3
23 Quantinno Capital Management LP 9.78K +34.6% $21.50M 0.0% ▲ Add 2 SEC ↗
24 Gotham Asset Management ✦ 9.05K +34.7% $19.88M 0.1% ▲ Add 4 SEC ↗
25 D. E. Shaw & Co. ✦ 8.91K +3.7% $19.57M 0.0% ▲ Add 8 SEC ↗ ×2
26 Wells Fargo & Company/Mn 8.78K -3.9% $19.29M 0.0% ▼ Trim 2 SEC ↗ ×4
27 Bank of New York Mellon Corp 8.44K -4.4% $18.55M 0.0% ▼ Trim 2 SEC ↗ ×10
28 American Century Companies Inc 8.31K +828.3% $18.25M 0.0% ▲ Add 2 SEC ↗
29 UBS AM, a distinct business unit of… 7.83K +2.2% $17.19M 0.0% ▲ Add 2 SEC ↗ ×8
30 AQR Capital Management ✦ 7.74K +72.9% $17.00M 0.0% ▲ Add 8 SEC ↗ ×7
31 Bnp Paribas Financial Markets 6.62K +98.3% $14.55M 0.0% ▲ Add 2 SEC ↗
32 California Public Employees… 6.41K -4.5% $14.09M 0.0% ▼ Trim 2 SEC ↗
33 Hotchkis & Wiley Capital Management… 6.05K -10.4% $13.29M 0.0% ▼ Trim 2 SEC ↗
34 Wcm Investment Management, Llc 6.00K -43.9% $13.15M 0.0% ▼ Trim 2 SEC ↗
35 Swiss National Bank 5.04K -1.0% $11.06M 0.0% ▼ Trim 2 SEC ↗
36 Franklin Resources Inc 4.80K +1099.5% $10.54M 0.0% ▲ Add 2 SEC ↗ ×5
37 Nuveen, LLC 4.31K +24.0% $9.47M 0.0% ▲ Add 2 SEC ↗ ×2
38 Rhumbline Advisers 4.13K -0.8% $9.08M 0.0% ▼ Trim 2 SEC ↗
39 Creative Planning 4.05K +18.6% $8.90M 0.0% ▲ Add 2 SEC ↗
40 Marshall Wace ✦ 3.88K +253.2% $8.52M 0.0% ▲ Add 2 SEC ↗ ×2
41 First Trust Advisors Lp 3.06K -32.9% $6.72M 0.0% ▼ Trim 2 SEC ↗
42 Invesco Ltd. 2.97K -0.9% $6.52M 0.0% ▼ Trim 2 SEC ↗ ×6
43 California State Teachers… 2.89K +17.5% $6.34M 0.0% ▲ Add 2 SEC ↗
44 Ameriprise Financial Inc 2.87K -6.1% $6.30M 0.0% ▼ Trim 2 SEC ↗ ×3
45 Renaissance Technologies ✦ 2.61K +74.0% $5.74M 0.0% ▲ Add 3 SEC ↗
46 Citadel Advisors ✦ 2.60K +118.2% $5.72M 0.0% ▲ Add 5 SEC ↗ ×2
47 JPMorgan Chase ✦ 2.57K +42.1% $5.63M 0.0% ▲ Add 3 SEC ↗ ×6
48 New York State Common Retirement… 2.51K 0.0% $5.52M 0.0% Held 2 SEC ↗
49 Mml Investors Services, Llc 2.46K -16.2% $5.40M 0.0% ▼ Trim 2 SEC ↗
50 Legal & General Group Plc 2.41K -20.7% $5.29M 0.0% ▼ Trim 2 SEC ↗ ×3
51 Hrt Financial Lp 2.38K +1685.7% $5.22M 0.0% ▲ Add 2 SEC ↗
52 State Board Of Administration Of… 2.26K -19.0% $4.97M 0.0% ▼ Trim 2 SEC ↗
53 T. Rowe Price ✦ 2.21K +11.1% $4.86M 0.0% ▲ Add 8 SEC ↗
54 Robeco Institutional Asset… 2.18K +249.8% $4.79M 0.0% ▲ Add 2 SEC ↗
55 Arrowstreet Capital ✦ 1.91K +135.9% $4.20M 0.0% ▲ Add 2 SEC ↗
56 Cerity Partners LLC 1.87K -47.3% $4.10M 0.0% ▼ Trim 2 SEC ↗ ×3
57 Focus Partners Wealth 1.13K -29.9% $3.82M 0.0% ▼ Trim 2 SEC ↗
58 HighTower Advisors, LLC 1.45K 0.0% $3.18M 0.0% Held 2 SEC ↗
59 Citigroup Inc 1.40K -24.3% $3.08M 0.0% ▼ Trim 2 SEC ↗ ×2
60 LPL Financial LLC 1.40K -29.0% $3.07M 0.0% ▼ Trim 2 SEC ↗
61 Corient Private Wealth LP 1.40K -22.9% $3.02M 0.0% ▼ Trim 2 SEC ↗
62 Tidal Investments LLC 1.35K +560.8% $2.96M 0.0% ▲ Add 2 SEC ↗
63 Stifel Financial Corp 1.29K -1.4% $2.84M 0.0% ▼ Trim 2 SEC ↗ ×3
64 Captrust Financial Advisors 1.24K +75.2% $2.71M 0.0% ▲ Add 2 SEC ↗
65 Royal Bank Of Canada 1.20K +8.9% $2.63M 0.0% ▲ Add 2 SEC ↗ ×4
66 Russell Investments Group, Ltd. 1.14K +187.7% $2.51M 0.0% ▲ Add 2 SEC ↗ ×6
67 Janus Henderson Group Plc 1.12K 0.0% $2.46M 0.0% Held 2 SEC ↗
68 Qube Research & Technologies Ltd 1.02K +91.0% $2.23M 0.0% ▲ Add 2 SEC ↗
69 Td Asset Management Inc 932 -6.8% $2.05M 0.0% ▼ Trim 2 SEC ↗
70 Zurcher Kantonalbank (Zurich… 913 0.0% $2.01M 0.0% Held 2 SEC ↗
71 Fidelity (FMR) ✦ 905 -3.6% $1.99M 0.0% ▼ Trim 4 SEC ↗ ×2
72 Alliancebernstein L.P. 953 +18.1% $1.98M 0.0% ▲ Add 2 SEC ↗
73 Mercer Global Advisors Inc /Adv 866 +21.1% $1.90M 0.0% ▲ Add 2 SEC ↗
74 Truist Financial Corp 684 -7.1% $1.50M 0.0% ▼ Trim 2 SEC ↗ ×2
75 Osaic Holdings, Inc. 650 +58.5% $1.43M 0.0% ▲ Add 2 SEC ↗ ×2
76 Amundi 615 Nieuw $1.35M 0.0% New 1 SEC ↗
77 Manufacturers Life Insurance… 614 +10.6% $1.35M 0.0% ▲ Add 2 SEC ↗
78 Mariner, LLC 607 +51.0% $1.33M 0.0% ▲ Add 2 SEC ↗
79 Pnc Financial Services Group, Inc. 546 +1.9% $1.20M 0.0% ▲ Add 2 SEC ↗ ×7
80 Barclays Plc 535 -4.3% $1.18M 0.0% ▼ Trim 2 SEC ↗ ×4
81 Bank Of Montreal /Can/ 433 +0.5% $951,287 0.0% ▲ Add 2 SEC ↗ ×2
82 Pictet Asset Management Holding SA 430 +7.5% $944,693 0.0% ▲ Add 2 SEC ↗
83 Bridgewater Associates ✦ 414 Nieuw $909,541 0.0% New 1 SEC ↗
84 Universal- Beteiligungs- und… 405 +12.8% $889,769 0.0% ▲ Add 2 SEC ↗
85 Millennium Management ✦ 387 -54.8% $850,224 0.0% ▼ Trim 8 SEC ↗
86 Cetera Investment Advisers 346 -5.0% $760,518 0.0% ▼ Trim 2 SEC ↗
87 Commonwealth Equity Services, Llc 274 +1.1% $602,290 0.0% ▲ Add 2 SEC ↗
88 Rockefeller Capital Management L.P. 260 -13.3% $571,436 0.0% ▼ Trim 2 SEC ↗ ×3
89 Deutsche Bank Ag\ 255 +7.6% $560,225 0.0% ▲ Add 2 SEC ↗ ×3
90 State Of Wisconsin Investment Board 246 +78.3% $540,452 0.0% ▲ Add 2 SEC ↗
91 Voya Investment Management Llc 237 -2.5% $520,680 0.0% ▼ Trim 2 SEC ↗
92 Ensign Peak Advisors, Inc 200 0.0% $439,392 0.0% Held 2 SEC ↗
93 Bank Of Nova Scotia 178 -5.8% $391,059 0.0% ▼ Trim 2 SEC ↗
94 Wealth Enhancement Advisory… 176 -22.5% $381,878 0.0% ▼ Trim 2 SEC ↗
95 Us Bancorp \De\ 137 +10.5% $300,984 0.0% ▲ Add 2 SEC ↗ ×3
96 CIBC Asset Management Inc 124 0.0% $272,423 0.0% Held 2 SEC ↗
97 First Manhattan Co. Llc. 115 +15.0% $252,650 0.0% ▲ Add 2 SEC ↗
98 Clearbridge Investments, LLC 100 0.0% $219,696 0.0% Held 2 SEC ↗
99 Hsbc Holdings Plc 94 Nieuw $206,499 0.0% New 1 SEC ↗ ×2
100 Cwm, Llc 92 +411.1% $202,120 0.0% ▲ Add 2 SEC ↗

"Hun weging" = het aandeel van de positie in de gerapporteerde 13F-aandelenwaarde van die manager: de overtuigingsmaatstaf. ✦ = gecureerde manager.

Nieuwe kopers

Amundi $1.35M 0.0%
Bridgewater Associates $909,541 0.0%
Hsbc Holdings Plc $206,499 0.0%

Verlaten

Norges Bank $66.88M was 0.0%
Holocene Advisors, LP $2.07M was 0.0%
Squarepoint Ops LLC $1.47M was 0.0%
Danske Bank A/S $41,561 was 0.0%

Volledige marktcontext: over ALLE 13F-indieners (SEC gestructureerde data, Q1 2026): 363 houders, 2.21M aandelen, $4.62B gerapporteerd. Dit betreft een andere, oudere periode dan de bovenstaande cijfers van het gevolgde universum; beide worden nooit gecombineerd.

Vaak gezamenlijk in bezit

Wat de gevolgde houders van dit effect het vaakst nog meer bezitten: aantallen gedeeld eigendom, geen fundamentele relaties.

Herkomst: Eigendom op basis van geparseerde 13F common-stockposities (gevolgde universum, vergelijkbare sets voor wijzigingen); insider-rijen afkomstig van formulieren 3/4/5; belangen uit Schedules 13D/13G; elke indiening verwijst naar het origineel op SEC EDGAR. Rapportageperiode: Q1 2026 · Methodologie · Verkrijg dit via de API