★
Trade Filings
Managers Aandelen Ingediende stukken Superinvesteerders
Signalen Institutionele aankopen Institutionele verkopen Insider-activiteit 13D & 13G Watch Sectorrotatie
Tools Aandelenscreener Manager Screener Beheerders vergelijken Consensusmandjes Alle onderzoekstools Data-API
Leren & AI Leren Vraag de data AI-agents
Nieuws ★ Opgeslagen
Over Over ons Methodologie Contact Disclaimer
Reader
DATAPAKKETTEN

Downloads van historische data: binnenkort beschikbaar met accounts.

API GATEWAY

Gratis alleen-lezen JSON-toegang tot de gecachede gegevens van de site.

Donkere modus

Begeleide weergave
Nieuw met markten (koersen, yields, YTD, marktkapitalisatie)? We leggen elk begrip uit terwijl u bladert, in begrijpelijke taal. Dezelfde data, met ingebouwde uitleg.

Expertvisie
U kent de markt al. Alleen de data: schoon, snel en compact, zonder extra uitleg. Dit is de standaardweergave.

Interfacetaal
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 16 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
Fragmentatie van eigendom: meer houders, kleiner totaalbelang

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

Eigendom in de tijd
KwartaalHoudersΔAandelenGerapporteerde waardeNieuwUitstappen
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 · Q4 2025
#ManagerAandelenΔ aandelenWaardeHun gewichtGehouden
1 The Vanguard Group ✦ (passief) 235.70K -4.6% $489.79M 0.0% ▼ Trim 3 SEC ↗ ×5
2 Dimensional Fund Advisors Lp 156.60K n/a $325.43M 0.1% n/c 1 SEC ↗ ×5
3 Neuberger Berman Group LLC 129.65K n/a $269.42M 0.2% n/c 1 SEC ↗ ×2
4 BlackRock ✦ (passief) 112.29K -0.3% $233.34M 0.0% ▼ Trim 3 SEC ↗ ×16
5 Morgan Stanley ✦ 82.15K -40.8% $170.72M 0.0% ▼ Trim 2 SEC ↗ ×13
6 Boston Partners 76.91K n/a $159.73M 0.2% n/c 1 SEC ↗ ×4
7 State Street Global Advisors ✦ (passief) 50.66K -6.9% $105.28M 0.0% ▼ Trim 5 SEC ↗
8 Geode Capital Management ✦ (passief) 41.52K -1.4% $86.30M 0.0% ▼ Trim 7 SEC ↗ ×2
9 Norges Bank ✦ (passief) 32.18K Nieuw $66.88M 0.0% New 1 SEC ↗
10 Bank Of America Corp /De/ 28.81K n/a $59.87M 0.0% n/c 1 SEC ↗ ×7
11 Raymond James Financial Inc 23.97K n/a $49.81M 0.0% n/c 1 SEC ↗ ×3
12 Charles Schwab Investment… 23.24K n/a $48.29M 0.0% n/c 1 SEC ↗
13 Allspring Global Investments… 20.19K n/a $41.23M 0.1% n/c 1 SEC ↗ ×2
14 Brown Advisory Inc 18.96K n/a $39.39M 0.1% n/c 1 SEC ↗ ×3
15 Northern Trust Corp 16.67K n/a $34.63M 0.0% n/c 1 SEC ↗ ×5
16 Wellington Management ✦ 15.93K -17.1% $33.10M 0.0% ▼ Trim 7 SEC ↗ ×4
17 Envestnet Asset Management Inc 15.80K n/a $32.83M 0.0% n/c 1 SEC ↗
18 Wcm Investment Management, Llc 10.68K n/a $22.20M 0.0% n/c 1 SEC ↗
19 Wells Fargo & Company/Mn 9.14K n/a $18.99M 0.0% n/c 1 SEC ↗ ×4
20 Bank of New York Mellon Corp 8.83K n/a $18.35M 0.0% n/c 1 SEC ↗ ×10
21 D. E. Shaw & Co. ✦ 8.59K +242.1% $17.86M 0.0% ▲ Add 7 SEC ↗ ×2
22 Sei Investments Co 7.92K n/a $16.45M 0.0% n/c 1 SEC ↗ ×2
23 UBS AM, a distinct business unit of… 7.66K n/a $15.91M 0.0% n/c 1 SEC ↗ ×8
24 Quantinno Capital Management LP 7.27K n/a $15.11M 0.0% n/c 1 SEC ↗
25 Hotchkis & Wiley Capital Management… 6.75K n/a $14.03M 0.0% n/c 1 SEC ↗
26 Gotham Asset Management ✦ 6.72K -2.6% $13.96M 0.1% ▼ Trim 3 SEC ↗
27 California Public Employees… 6.72K n/a $13.96M 0.0% n/c 1 SEC ↗
28 Victory Capital Management Inc 6.30K n/a $13.08M 0.0% n/c 1 SEC ↗
29 UBS Group AG 6.00K n/a $12.47M 0.0% n/c 1 SEC ↗ ×3
30 Goldman Sachs Group ✦ 5.26K -11.0% $10.93M 0.0% ▼ Trim 2 SEC ↗ ×2
31 Swiss National Bank 5.09K n/a $10.57M 0.0% n/c 1 SEC ↗
32 First Trust Advisors Lp 4.55K n/a $9.47M 0.0% n/c 1 SEC ↗
33 AQR Capital Management ✦ 4.48K -24.3% $9.30M 0.0% ▼ Trim 7 SEC ↗ ×5
34 Rhumbline Advisers 4.17K n/a $8.65M 0.0% n/c 1 SEC ↗
35 Cerity Partners LLC 3.54K n/a $7.36M 0.0% n/c 1 SEC ↗ ×3
36 Nuveen, LLC 3.48K n/a $7.22M 0.0% n/c 1 SEC ↗ ×2
37 Creative Planning 3.42K n/a $7.10M 0.0% n/c 1 SEC ↗
38 Bnp Paribas Financial Markets 3.34K n/a $6.94M 0.0% n/c 1 SEC ↗
39 Ameriprise Financial Inc 3.05K n/a $6.34M 0.0% n/c 1 SEC ↗ ×3
40 Legal & General Group Plc 3.04K n/a $6.31M 0.0% n/c 1 SEC ↗ ×3
41 Invesco Ltd. 3.00K n/a $6.22M 0.0% n/c 1 SEC ↗ ×6
42 Mml Investors Services, Llc 2.94K n/a $6.10M 0.0% n/c 1 SEC ↗
43 State Board Of Administration Of… 2.79K n/a $5.80M 0.0% n/c 1 SEC ↗
44 New York State Common Retirement… 2.51K n/a $5.22M 0.0% n/c 1 SEC ↗
45 California State Teachers… 2.46K n/a $5.11M 0.0% n/c 1 SEC ↗
46 T. Rowe Price ✦ 1.99K +5.7% $4.14M 0.0% ▲ Add 7 SEC ↗
47 LPL Financial LLC 1.97K n/a $4.08M 0.0% n/c 1 SEC ↗
48 Citigroup Inc 1.85K n/a $3.84M 0.0% n/c 1 SEC ↗ ×3
49 Corient Private Wealth LP 1.81K n/a $3.76M 0.0% n/c 1 SEC ↗ ×3
50 JPMorgan Chase ✦ 1.81K -79.1% $3.75M 0.0% ▼ Trim 2 SEC ↗ ×5
51 Jane Street Group, Llc 1.71K n/a $3.55M 0.0% n/c 1 SEC ↗
52 Renaissance Technologies ✦ 1.50K -18.9% $3.12M 0.0% ▼ Trim 2 SEC ↗
53 Focus Partners Wealth 1.61K n/a $3.10M 0.0% n/c 1 SEC ↗
54 HighTower Advisors, LLC 1.45K n/a $3.01M 0.0% n/c 1 SEC ↗
55 Stifel Financial Corp 1.31K n/a $2.73M 0.0% n/c 1 SEC ↗ ×3
56 Citadel Advisors ✦ 1.19K +324.6% $2.48M 0.0% ▲ Add 4 SEC ↗
57 Janus Henderson Group Plc 1.12K n/a $2.34M 0.0% n/c 1 SEC ↗
58 Marshall Wace ✦ 1.10K Nieuw $2.28M 0.0% New 1 SEC ↗ ×2
59 Royal Bank Of Canada 1.10K n/a $2.28M 0.0% n/c 1 SEC ↗ ×4
60 Td Asset Management Inc 1.00K n/a $2.08M 0.0% n/c 1 SEC ↗
61 Holocene Advisors, LP 998 n/a $2.07M 0.0% n/c 1 SEC ↗
62 Fidelity (FMR) ✦ 939 +50.2% $1.95M 0.0% ▲ Add 3 SEC ↗ ×3
63 Zurcher Kantonalbank (Zurich… 913 n/a $1.90M 0.0% n/c 1 SEC ↗
64 American Century Companies Inc 895 n/a $1.86M 0.0% n/c 1 SEC ↗
65 Millennium Management ✦ 856 -8.3% $1.78M 0.0% ▼ Trim 7 SEC ↗
66 Arrowstreet Capital ✦ 811 Nieuw $1.69M 0.0% New 1 SEC ↗
67 Alliancebernstein L.P. 807 n/a $1.68M 0.0% n/c 1 SEC ↗
68 Truist Financial Corp 736 n/a $1.53M 0.0% n/c 1 SEC ↗ ×2
69 Mercer Global Advisors Inc /Adv 715 n/a $1.49M 0.0% n/c 1 SEC ↗
70 Squarepoint Ops LLC 706 n/a $1.47M 0.0% n/c 1 SEC ↗
71 Captrust Financial Advisors 705 n/a $1.47M 0.0% n/c 1 SEC ↗
72 Robeco Institutional Asset… 623 n/a $1.29M 0.0% n/c 1 SEC ↗
73 Barclays Plc 559 n/a $1.16M 0.0% n/c 1 SEC ↗ ×3
74 Manufacturers Life Insurance… 555 n/a $1.15M 0.0% n/c 1 SEC ↗
75 Pnc Financial Services Group, Inc. 536 n/a $1.11M 0.0% n/c 1 SEC ↗ ×7
76 Qube Research & Technologies Ltd 532 n/a $1.11M 0.0% n/c 1 SEC ↗
77 Bank Of Montreal /Can/ 431 n/a $895,631 0.0% n/c 1 SEC ↗ ×2
78 Osaic Holdings, Inc. 410 n/a $852,005 0.0% n/c 1 SEC ↗
79 Mariner, LLC 402 n/a $835,389 0.0% n/c 1 SEC ↗
80 Pictet Asset Management Holding SA 400 n/a $831,212 0.0% n/c 1 SEC ↗
81 Franklin Resources Inc 400 n/a $831,212 0.0% n/c 1 SEC ↗ ×2
82 Russell Investments Group, Ltd. 397 n/a $825,507 0.0% n/c 1 SEC ↗ ×6
83 Cetera Investment Advisers 364 n/a $756,682 0.0% n/c 1 SEC ↗
84 Universal- Beteiligungs- und… 359 n/a $746,014 0.0% n/c 1 SEC ↗
85 Rockefeller Capital Management L.P. 300 n/a $623,515 0.0% n/c 1 SEC ↗ ×2
86 Commonwealth Equity Services, Llc 271 n/a $563,420 0.0% n/c 1 SEC ↗
87 Voya Investment Management Llc 243 n/a $504,961 0.0% n/c 1 SEC ↗
88 Deutsche Bank Ag\ 237 n/a $492,493 0.0% n/c 1 SEC ↗ ×3
89 Wealth Enhancement Advisory… 227 n/a $464,739 0.0% n/c 1 SEC ↗
90 Tidal Investments LLC 204 n/a $423,918 0.0% n/c 1 SEC ↗
91 Ensign Peak Advisors, Inc 200 n/a $415,606 0.0% n/c 1 SEC ↗
92 Bank Of Nova Scotia 189 n/a $392,748 0.0% n/c 1 SEC ↗
93 State Of Wisconsin Investment Board 138 n/a $286,768 0.0% n/c 1 SEC ↗
94 Hrt Financial Lp 133 n/a $276,000 0.0% n/c 1 SEC ↗
95 Susquehanna International Group, Llp 132 n/a $274,300 0.0% n/c 1 SEC ↗
96 CIBC Asset Management Inc 124 n/a $257,676 0.0% n/c 1 SEC ↗
97 Us Bancorp \De\ 124 n/a $257,675 0.0% n/c 1 SEC ↗ ×3
98 First Manhattan Co. Llc. 100 n/a $207,803 0.0% n/c 1 SEC ↗
99 Clearbridge Investments, LLC 100 n/a $207,803 0.0% n/c 1 SEC ↗
100 BNP Paribas Asset Management… 32 n/a $66,000 0.0% n/c 1 SEC ↗

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

Nieuwe kopers

Norges Bank $66.88M 0.0%
Marshall Wace $2.28M 0.0%
Arrowstreet Capital $1.69M 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 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: Q4 2025 · Methodologie · Verkrijg dit via de API