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Effectdossier · gearchiveerd kwartaal

WTM

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

2,141.2 +0.4% marktkapitalisatie $5.30B koers vertraagd (FMP) · per Aug 25 22:08 UTC — los van onderstaande aangiftegegevens

Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024
108Gevolgde houders
+2Δ houders
1.27MGehouden aandelen
$2.64BGerapporteerde waarde
+3Nieuwe posities
−0Uitstappen
Stable Overtuigingsscore 44/100 3 kwartalen van stijgende gevolgde aandelen ●●●○○○ Hoe deze worden berekend → Dit toelichten aan de Research Desk →

Momentum-inputs (vergelijkbare managers): breedte van houders +1.9% · aandelenstroom -5.7% · netto nieuwe posities +2.8%formule
Versnippering van eigendom — meer houders, kleinere totale positie

Alle eigendomscijfers: uitsluitend gevolgde 13F-managers, posities in gewone aandelen, rapportageperiode Q4 2025

Eigendom in de tijd
KwartaalHoudersΔAandelenGerapporteerde waardeNieuwUitstappen
Q2 2026 100 -5 1.16M $2.41B +2 −6
Q1 2026 107 0 1.13M $2.49B +3 −4
Q4 2025 108 +2 1.27M $2.64B +3
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
Q4 2024 10 0 193.12K $375.52M
Q3 2024 9 -1 149.43K $253.48M −1
Q2 2024 10 158.36K $287.38M
Aantal houders
Wie het bezit · Q4 2025
#ManagerAandelenΔ aandelenWaardeHun gewichtGehouden
1 The Vanguard Group (passief) 235.70K -4.6% $489.79M 0.0% ▼ Trim 3 SEC ↗
2 The Vanguard Group (passief) 235.70K -4.6% $489.79M 0.0% ▼ Trim 3 SEC ↗
3 The Vanguard Group (passief) 235.70K -4.6% $489.79M 0.0% ▼ Trim 3 SEC ↗
4 The Vanguard Group (passief) 235.70K -4.6% $489.79M 0.0% ▼ Trim 3 SEC ↗
5 The Vanguard Group (passief) 235.70K -4.6% $489.79M 0.0% ▼ Trim 3 SEC ↗
6 Dimensional Fund Advisors Lp 156.60K $325.43M 0.1% n/c 1 SEC ↗
7 Dimensional Fund Advisors Lp 156.60K $325.43M 0.1% n/c 1 SEC ↗
8 Dimensional Fund Advisors Lp 156.60K $325.43M 0.1% n/c 1 SEC ↗
9 Dimensional Fund Advisors Lp 156.60K $325.43M 0.1% n/c 1 SEC ↗
10 Dimensional Fund Advisors Lp 156.60K $325.43M 0.1% n/c 1 SEC ↗
11 Neuberger Berman Group LLC 129.65K $269.42M 0.2% n/c 1 SEC ↗
12 Neuberger Berman Group LLC 129.65K $269.42M 0.2% n/c 1 SEC ↗
13 BlackRock (passief) 112.29K -0.3% $233.34M 0.0% ▼ Trim 3 SEC ↗
14 BlackRock (passief) 112.29K -0.3% $233.34M 0.0% ▼ Trim 3 SEC ↗
15 BlackRock (passief) 112.29K -0.3% $233.34M 0.0% ▼ Trim 3 SEC ↗
16 BlackRock (passief) 112.29K -0.3% $233.34M 0.0% ▼ Trim 3 SEC ↗
17 BlackRock (passief) 112.29K -0.3% $233.34M 0.0% ▼ Trim 3 SEC ↗
18 BlackRock (passief) 112.29K -0.3% $233.34M 0.0% ▼ Trim 3 SEC ↗
19 BlackRock (passief) 112.29K -0.3% $233.34M 0.0% ▼ Trim 3 SEC ↗
20 BlackRock (passief) 112.29K -0.3% $233.34M 0.0% ▼ Trim 3 SEC ↗
21 BlackRock (passief) 112.29K -0.3% $233.34M 0.0% ▼ Trim 3 SEC ↗
22 BlackRock (passief) 112.29K -0.3% $233.34M 0.0% ▼ Trim 3 SEC ↗
23 BlackRock (passief) 112.29K -0.3% $233.34M 0.0% ▼ Trim 3 SEC ↗
24 BlackRock (passief) 112.29K -0.3% $233.34M 0.0% ▼ Trim 3 SEC ↗
25 BlackRock (passief) 112.29K -0.3% $233.34M 0.0% ▼ Trim 3 SEC ↗
26 BlackRock (passief) 112.29K -0.3% $233.34M 0.0% ▼ Trim 3 SEC ↗
27 BlackRock (passief) 112.29K -0.3% $233.34M 0.0% ▼ Trim 3 SEC ↗
28 BlackRock (passief) 112.29K -0.3% $233.34M 0.0% ▼ Trim 3 SEC ↗
29 Morgan Stanley 82.15K -40.8% $170.72M 0.0% ▼ Trim 2 SEC ↗
30 Morgan Stanley 82.15K -40.8% $170.72M 0.0% ▼ Trim 2 SEC ↗
31 Morgan Stanley 82.15K -40.8% $170.72M 0.0% ▼ Trim 2 SEC ↗
32 Morgan Stanley 82.15K -40.8% $170.72M 0.0% ▼ Trim 2 SEC ↗
33 Morgan Stanley 82.15K -40.8% $170.72M 0.0% ▼ Trim 2 SEC ↗
34 Morgan Stanley 82.15K -40.8% $170.72M 0.0% ▼ Trim 2 SEC ↗
35 Morgan Stanley 82.15K -40.8% $170.72M 0.0% ▼ Trim 2 SEC ↗
36 Morgan Stanley 82.15K -40.8% $170.72M 0.0% ▼ Trim 2 SEC ↗
37 Morgan Stanley 82.15K -40.8% $170.72M 0.0% ▼ Trim 2 SEC ↗
38 Morgan Stanley 82.15K -40.8% $170.72M 0.0% ▼ Trim 2 SEC ↗
39 Morgan Stanley 82.15K -40.8% $170.72M 0.0% ▼ Trim 2 SEC ↗
40 Morgan Stanley 82.15K -40.8% $170.72M 0.0% ▼ Trim 2 SEC ↗
41 Morgan Stanley 82.15K -40.8% $170.72M 0.0% ▼ Trim 2 SEC ↗
42 Boston Partners 76.91K $159.73M 0.2% n/c 1 SEC ↗
43 Boston Partners 76.91K $159.73M 0.2% n/c 1 SEC ↗
44 Boston Partners 76.91K $159.73M 0.2% n/c 1 SEC ↗
45 Boston Partners 76.91K $159.73M 0.2% n/c 1 SEC ↗
46 State Street Global Advisors (passief) 50.66K -6.9% $105.28M 0.0% ▼ Trim 5 SEC ↗
47 Geode Capital Management (passief) 41.52K -1.4% $86.30M 0.0% ▼ Trim 7 SEC ↗
48 Geode Capital Management (passief) 41.52K -1.4% $86.30M 0.0% ▼ Trim 7 SEC ↗
49 Norges Bank (passief) 32.18K Nieuw $66.88M 0.0% New 1 SEC ↗
50 Bank Of America Corp /De/ 28.81K $59.87M 0.0% n/c 1 SEC ↗
51 Bank Of America Corp /De/ 28.81K $59.87M 0.0% n/c 1 SEC ↗
52 Bank Of America Corp /De/ 28.81K $59.87M 0.0% n/c 1 SEC ↗
53 Bank Of America Corp /De/ 28.81K $59.87M 0.0% n/c 1 SEC ↗
54 Bank Of America Corp /De/ 28.81K $59.87M 0.0% n/c 1 SEC ↗
55 Bank Of America Corp /De/ 28.81K $59.87M 0.0% n/c 1 SEC ↗
56 Bank Of America Corp /De/ 28.81K $59.87M 0.0% n/c 1 SEC ↗
57 Raymond James Financial Inc 23.97K $49.81M 0.0% n/c 1 SEC ↗
58 Raymond James Financial Inc 23.97K $49.81M 0.0% n/c 1 SEC ↗
59 Raymond James Financial Inc 23.97K $49.81M 0.0% n/c 1 SEC ↗
60 Charles Schwab Investment… 23.24K $48.29M 0.0% n/c 1 SEC ↗
61 Allspring Global Investments… 20.19K $41.23M 0.1% n/c 1 SEC ↗
62 Allspring Global Investments… 20.19K $41.23M 0.1% n/c 1 SEC ↗
63 Brown Advisory Inc 18.96K $39.39M 0.1% n/c 1 SEC ↗
64 Brown Advisory Inc 18.96K $39.39M 0.1% n/c 1 SEC ↗
65 Brown Advisory Inc 18.96K $39.39M 0.1% n/c 1 SEC ↗
66 Northern Trust Corp 16.67K $34.63M 0.0% n/c 1 SEC ↗
67 Northern Trust Corp 16.67K $34.63M 0.0% n/c 1 SEC ↗
68 Northern Trust Corp 16.67K $34.63M 0.0% n/c 1 SEC ↗
69 Northern Trust Corp 16.67K $34.63M 0.0% n/c 1 SEC ↗
70 Northern Trust Corp 16.67K $34.63M 0.0% n/c 1 SEC ↗
71 Wellington Management 15.93K -17.1% $33.10M 0.0% ▼ Trim 7 SEC ↗
72 Wellington Management 15.93K -17.1% $33.10M 0.0% ▼ Trim 7 SEC ↗
73 Wellington Management 15.93K -17.1% $33.10M 0.0% ▼ Trim 7 SEC ↗
74 Wellington Management 15.93K -17.1% $33.10M 0.0% ▼ Trim 7 SEC ↗
75 Envestnet Asset Management Inc 15.80K $32.83M 0.0% n/c 1 SEC ↗
76 Wcm Investment Management, Llc 10.68K $22.20M 0.0% n/c 1 SEC ↗
77 Wells Fargo & Company/Mn 9.14K $18.99M 0.0% n/c 1 SEC ↗
78 Wells Fargo & Company/Mn 9.14K $18.99M 0.0% n/c 1 SEC ↗
79 Wells Fargo & Company/Mn 9.14K $18.99M 0.0% n/c 1 SEC ↗
80 Wells Fargo & Company/Mn 9.14K $18.99M 0.0% n/c 1 SEC ↗
81 Bank of New York Mellon Corp 8.83K $18.35M 0.0% n/c 1 SEC ↗
82 Bank of New York Mellon Corp 8.83K $18.35M 0.0% n/c 1 SEC ↗
83 Bank of New York Mellon Corp 8.83K $18.35M 0.0% n/c 1 SEC ↗
84 Bank of New York Mellon Corp 8.83K $18.35M 0.0% n/c 1 SEC ↗
85 Bank of New York Mellon Corp 8.83K $18.35M 0.0% n/c 1 SEC ↗
86 Bank of New York Mellon Corp 8.83K $18.35M 0.0% n/c 1 SEC ↗
87 Bank of New York Mellon Corp 8.83K $18.35M 0.0% n/c 1 SEC ↗
88 Bank of New York Mellon Corp 8.83K $18.35M 0.0% n/c 1 SEC ↗
89 Bank of New York Mellon Corp 8.83K $18.35M 0.0% n/c 1 SEC ↗
90 Bank of New York Mellon Corp 8.83K $18.35M 0.0% n/c 1 SEC ↗
91 D. E. Shaw & Co. 8.59K +242.1% $17.86M 0.0% ▲ Add 7 SEC ↗
92 D. E. Shaw & Co. 8.59K +242.1% $17.86M 0.0% ▲ Add 7 SEC ↗
93 Sei Investments Co 7.92K $16.45M 0.0% n/c 1 SEC ↗
94 Sei Investments Co 7.92K $16.45M 0.0% n/c 1 SEC ↗
95 UBS AM, a distinct business unit of… 7.66K $15.91M 0.0% n/c 1 SEC ↗
96 UBS AM, a distinct business unit of… 7.66K $15.91M 0.0% n/c 1 SEC ↗
97 UBS AM, a distinct business unit of… 7.66K $15.91M 0.0% n/c 1 SEC ↗
98 UBS AM, a distinct business unit of… 7.66K $15.91M 0.0% n/c 1 SEC ↗
99 UBS AM, a distinct business unit of… 7.66K $15.91M 0.0% n/c 1 SEC ↗
100 UBS AM, a distinct business unit of… 7.66K $15.91M 0.0% n/c 1 SEC ↗

"Hun gewicht" = het aandeel van de positie in de gerapporteerde 13F-aandelenwaarde van die beheerder — de overtuigingsmaatstaf. ✦ = gecureerde beheerder.

Nieuwe kopers

Norges Bank $66.88M 0.0%

Verlaten

Geen bijgehouden uitstappen dit kwartaal.

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 verder het vaakst 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: Q4 2025 · Methodologie · Verkrijg dit via de API