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Security record · archived quarter

ACGL

Arch Capital Group Ltd. · Financial Services · Insurance - Diversified

100.56 -0.6% mkt cap $35.13B quote delayed (FMP) · as of Aug 25 22:08 UTC — separate from filing data below

Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024
17Tracked holders
0Δ holders
115.43MShares held
$10.51BReported value
+0New positions
−0Exits
Stable Conviction score 42/100 How these are computed → Explain this at the Research Desk →

Momentum inputs (comparable managers): holder breadth 0.0% · share flow +0.7% · net new positions 0.0%formula

All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2025

Ownership over time
QuarterHoldersΔSharesReported valueNewExits
Q2 2026 160 +1 246.91M $23.99B +6 −4
Q1 2026 161 -1 250.56M $24.03B +2 −4
Q4 2025 161 -1 274.58M $26.33B +1 −1
Q3 2025 21 +2 133.72M $12.13B +2 −1
Q2 2025 17 0 115.43M $10.51B
Q1 2025 14 0 38.20M $3.67B +1 −1
Q4 2024 14 -2 40.87M $3.77B +1 −3
Q3 2024 15 0 25.03M $2.80B +1 −1
Q2 2024 15 26.53M $2.67B
Holder count
Who holds it · Q2 2025
#ManagerSharesΔ sharesValueTheir weightHeld
1 The Vanguard Group (passive) 42.41M $3.86B 0.1% n/c 1 SEC ↗
2 The Vanguard Group (passive) 42.41M $3.86B 0.1% n/c 1 SEC ↗
3 The Vanguard Group (passive) 42.41M $3.86B 0.1% n/c 1 SEC ↗
4 The Vanguard Group (passive) 42.41M $3.86B 0.1% n/c 1 SEC ↗
5 The Vanguard Group (passive) 42.41M $3.86B 0.1% n/c 1 SEC ↗
6 The Vanguard Group (passive) 42.41M $3.86B 0.1% n/c 1 SEC ↗
7 BlackRock (passive) 32.93M $3.00B 0.1% n/c 1 SEC ↗
8 BlackRock (passive) 32.93M $3.00B 0.1% n/c 1 SEC ↗
9 BlackRock (passive) 32.93M $3.00B 0.1% n/c 1 SEC ↗
10 BlackRock (passive) 32.93M $3.00B 0.1% n/c 1 SEC ↗
11 BlackRock (passive) 32.93M $3.00B 0.1% n/c 1 SEC ↗
12 BlackRock (passive) 32.93M $3.00B 0.1% n/c 1 SEC ↗
13 BlackRock (passive) 32.93M $3.00B 0.1% n/c 1 SEC ↗
14 BlackRock (passive) 32.93M $3.00B 0.1% n/c 1 SEC ↗
15 BlackRock (passive) 32.93M $3.00B 0.1% n/c 1 SEC ↗
16 BlackRock (passive) 32.93M $3.00B 0.1% n/c 1 SEC ↗
17 BlackRock (passive) 32.93M $3.00B 0.1% n/c 1 SEC ↗
18 BlackRock (passive) 32.93M $3.00B 0.1% n/c 1 SEC ↗
19 BlackRock (passive) 32.93M $3.00B 0.1% n/c 1 SEC ↗
20 BlackRock (passive) 32.93M $3.00B 0.1% n/c 1 SEC ↗
21 BlackRock (passive) 32.93M $3.00B 0.1% n/c 1 SEC ↗
22 BlackRock (passive) 32.93M $3.00B 0.1% n/c 1 SEC ↗
23 BlackRock (passive) 32.93M $3.00B 0.1% n/c 1 SEC ↗
24 BlackRock (passive) 32.93M $3.00B 0.1% n/c 1 SEC ↗
25 BlackRock (passive) 32.93M $3.00B 0.1% n/c 1 SEC ↗
26 BlackRock (passive) 32.93M $3.00B 0.1% n/c 1 SEC ↗
27 BlackRock (passive) 32.93M $3.00B 0.1% n/c 1 SEC ↗
28 BlackRock (passive) 32.93M $3.00B 0.1% n/c 1 SEC ↗
29 State Street Global Advisors (passive) 16.95M -0.3% $1.54B 0.1% ▼ Trim 3 SEC ↗
30 Geode Capital Management (passive) 10.50M +1.1% $952.52M 0.1% ▲ Add 5 SEC ↗
31 Geode Capital Management (passive) 10.50M +1.1% $952.52M 0.1% ▲ Add 5 SEC ↗
32 Norges Bank (passive) 4.85M +3.0% $441.55M 0.1% ▲ Add 5 SEC ↗
33 Millennium Management 1.84M +144.4% $167.93M 0.2% ▲ Add 5 SEC ↗
34 AQR Capital Management 1.12M -3.8% $101.52M 0.1% ▼ Trim 5 SEC ↗
35 AQR Capital Management 1.12M -3.8% $101.52M 0.1% ▼ Trim 5 SEC ↗
36 AQR Capital Management 1.12M -3.8% $101.52M 0.1% ▼ Trim 5 SEC ↗
37 AQR Capital Management 1.12M -3.8% $101.52M 0.1% ▼ Trim 5 SEC ↗
38 AQR Capital Management 1.12M -3.8% $101.52M 0.1% ▼ Trim 5 SEC ↗
39 AQR Capital Management 1.12M -3.8% $101.52M 0.1% ▼ Trim 5 SEC ↗
40 AQR Capital Management 1.12M -3.8% $101.52M 0.1% ▼ Trim 5 SEC ↗
41 Fidelity (FMR) 1.06M $96.35M 0.0% n/c 1 SEC ↗
42 Fidelity (FMR) 1.06M $96.35M 0.0% n/c 1 SEC ↗
43 Fidelity (FMR) 1.06M $96.35M 0.0% n/c 1 SEC ↗
44 Fidelity (FMR) 1.06M $96.35M 0.0% n/c 1 SEC ↗
45 Fidelity (FMR) 1.06M $96.35M 0.0% n/c 1 SEC ↗
46 Two Sigma Investments 892.22K +148.4% $81.24M 0.2% ▲ Add 5 SEC ↗
47 Wellington Management 849.79K -59.0% $77.37M 0.0% ▼ Trim 5 SEC ↗
48 Wellington Management 849.79K -59.0% $77.37M 0.0% ▼ Trim 5 SEC ↗
49 Wellington Management 849.79K -59.0% $77.37M 0.0% ▼ Trim 5 SEC ↗
50 Wellington Management 849.79K -59.0% $77.37M 0.0% ▼ Trim 5 SEC ↗
51 T. Rowe Price 745.09K -0.7% $67.84M 0.0% ▼ Trim 5 SEC ↗
52 T. Rowe Price 745.09K -0.7% $67.84M 0.0% ▼ Trim 5 SEC ↗
53 Citadel Advisors 682.49K +260.2% $62.14M 0.1% ▲ Add 4 SEC ↗
54 Citadel Advisors 682.49K +260.2% $62.14M 0.1% ▲ Add 4 SEC ↗
55 D. E. Shaw & Co. 339.14K +1267.0% $30.88M 0.0% ▲ Add 2 SEC ↗
56 Bridgewater Associates 194.32K -22.0% $17.69M 0.1% ▼ Trim 5 SEC ↗
57 Gotham Asset Management 25.71K +57.9% $2.34M 0.0% ▲ Add 5 SEC ↗
58 Marshall Wace 23.25K -79.8% $2.12M 0.0% ▼ Trim 3 SEC ↗
59 Marshall Wace 23.25K -79.8% $2.12M 0.0% ▼ Trim 3 SEC ↗
60 Adage Capital Partners 16.80K -96.0% $1.53M 0.0% ▼ Trim 5 SEC ↗

“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.

New buyers

No new tracked buyers this quarter.

Exited

No tracked exits this quarter.

Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 2 holders, 660 shares, $12,857 reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.

Frequently co-owned

What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.

Insider transactions

Open-market purchases (P)

No open-market insider purchases in our coverage window.

Open-market sales (S)

Aug 18 Morin Francois

Officer · 11.01K sh · $1.09M

Awards, exercises and tax withholding are never counted as buys or sales here. Methodology

Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR. Reporting period: Q2 2025 · Methodology · Get this via the API