13F reference period
Q2 2026
Security Snapshot
ARCH CAPITAL GROUP LTD. - Common Stock (ACGL) Institutional Ownership
CUSIP: G0450A105
13F Institutional Holders and Ownership History from Q1 2014 to Q3 2026
Institutions Reporting
909
Shares (Excl. Options)
312.4M
Full value: 312,401,572 · shares · 30 Jun 2026Price
$97.06
The headline uses the Q2 2026 reference period after its reporting deadline. Available reports may still be incomplete or amended. Newer periods in the history table contain incoming reports and may be incomplete.
Save this security page for your next review
Watchlists follow companies and investors, across their share classes. Bookmark this page to revisit this specific CUSIP and its quarterly holders. If you create an account from here, we will bring you back after verification.
- Security type / class
- Equity / Common Stock
- Symbol
- ACGL on Nasdaq
- All holders as of 30 Jun 2026
- Q2 2026
- Total 13F shares
- 312,401,572
- Total 13F value
- $30,341,164,798
- Portfolio coverage rank
- 0.02%
- Share change
- -5,363,632
- Value change
- -$516,585,037
- Number of holders
- 909
- Shares outstanding
- 356,621,255
- SEC-reported price per share
- $96.08
- Insider filing price
- $96.08
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Filing notes and source
Key facts
- ACGL - ARCH CAPITAL GROUP LTD. - Common Stock is tracked under CUSIP G0450A105.
- 909 institutions reported positions in Q2 2026.
- 2 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 917 to 909 between Q1 2026 and Q2 2026.
- SEC-reported value moved from to
$30.47B
Full value: $30,472,002,154 · USD · 31 Mar 2026.$30.34B
Full value: $30,341,164,798 · USD · 30 Jun 2026
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 909 institutions filings for Q2 2026.
Security key
G0450A105
13F reference period
Q2 2026
13F holders
909
13D/G owners
2
CIK / CUSIP context first
Open Q2 2026 holders
ACGL full holder history
ARCH CAPITAL GROUP LTD. SEC filings
ARCH CAPITAL GROUP LTD. company facts
ARCH CAPITAL GROUP LTD. insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP G0450A105:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
2
Security
ACGL
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| VANGUARD CAPITAL MANAGEMENT LLC | 7.3% | $2,509,211,045 | 26,140,338 | Vanguard Capital Management | 31 Mar 2026 | |||
| BAMCO INC /NY/ | 5% | -9.2% | $1,677,154,966 | -$255,277,320 | 17,987,505 | -13% | Baron Capital Group, Inc. | 31 Dec 2025 |
As of 30 Jun 2026,
909
institutional investors reported holding
shares of
ARCH CAPITAL GROUP LTD. - Common Stock (ACGL).
This represents
88%
of the company’s total
outstanding shares.
312.4M
Full value: 312,401,572 · shares · 30 Jun 2026356.62M
Full value: 356,621,255 · shares · Stored outstanding share count13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
59%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 8.5% | 30,220,703 | -3.6% | 0.04% | $2,933,221,492 |
| VANGUARD CAPITAL MANAGEMENT LLC | 6.2% | 22,221,428 | -1.7% | 0.05% | $2,156,811,802 |
| Artisan Partners Limited Partnership | 6.1% | 21,595,895 | -4.7% | 3.4% | $2,096,097,569 |
| STATE STREET CORP | 4.6% | 16,251,212 | +0% | 0.05% | $1,577,342,637 |
| BAMCO INC /NY/ | 4.5% | 15,872,450 | -5% | 2.3% | $1,540,579,997 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 4.1% | 14,527,363 | -1.3% | 0.06% | $1,410,025,853 |
| WCM INVESTMENT MANAGEMENT, LLC | 3.4% | 11,973,574 | -5% | 2.1% | $1,174,128,712 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.9% | 10,507,722 | -0.74% | 0.05% | $1,016,291,520 |
| JPMORGAN CHASE & CO | 2% | 6,991,580 | +3.1% | 0.04% | $685,594,544 |
| Invesco Ltd. | 1.4% | 4,947,084 | +22% | 0.04% | $480,163,972 |
| NORGES BANK | 1.3% | 4,675,717 | 0.05% | $453,825,092 | |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 1.3% | 4,493,790 | +135% | 0.19% | $436,167,257 |
| MORGAN STANLEY | 1.2% | 4,359,143 | +2.3% | 0.02% | $423,098,543 |
| NORTHERN TRUST CORP | 1.2% | 4,281,588 | -4.3% | 0.05% | $415,570,933 |
| DIMENSIONAL FUND ADVISORS LP | 1.2% | 4,218,184 | +1.1% | 0.07% | $409,450,765 |
| Allspring Global Investments Holdings, LLC | 1.2% | 4,139,902 | +14% | 0.63% | $407,987,293 |
| Madison Asset Management, LLC | 1.1% | 3,799,789 | -6.8% | 4.4% | $368,807,502 |
| ROYAL BANK OF CANADA | 0.98% | 3,495,371 | -1% | 0.06% | $339,260,000 |
| MARSHFIELD ASSOCIATES | 0.93% | 3,331,135 | +9.2% | 7.6% | $323,319,956 |
| Legal & General Group Plc | 0.87% | 3,119,937 | -5.1% | 0.06% | $302,821,087 |
| GOLDMAN SACHS GROUP INC | 0.85% | 3,015,755 | +5.4% | 0.03% | $292,709,177 |
| Polar Capital Holdings Plc | 0.84% | 2,980,000 | -9.7% | 0.82% | $289,238,800 |
| PRINCIPAL FINANCIAL GROUP INC | 0.8% | 2,868,362 | -12% | 0.14% | $278,406,471 |
| High Ground Investment Management LLP | 0.73% | 2,612,372 | +46% | 22% | $253,556,826 |
| NATIXIS ADVISORS, LLC | 0.69% | 2,451,945 | +5.2% | 0.27% | $237,985,000 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
51
Headline period
Q2 2026
Rows shown
1-25 of 51
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q3 | 16,833,179 | $1,556,543,990 | +$57,993,375 | $92.36 | 292 |
| 2026 Q2 | 312,401,572 | $30,341,164,798 | -$516,585,037 | $97.06 | 909 |
| 2026 Q1 | 317,685,698 | $30,472,002,154 | -$673,783,608 | $95.99 | 917 |
| 2025 Q4 | 325,170,984 | $31,184,742,114 | -$152,478,124 | $95.92 | 918 |
| 2025 Q3 | 326,023,270 | $29,557,629,542 | -$906,296,882 | $90.73 | 837 |
| 2025 Q2 | 335,824,160 | $30,555,092,183 | +$548,911,268 | $91.05 | 844 |
| 2025 Q1 | 330,247,215 | $31,739,635,524 | -$489,305,430 | $96.18 | 837 |
| 2024 Q4 | 341,012,446 | $31,477,140,767 | +$231,945,532 | $92.35 | 835 |
| 2024 Q3 | 331,581,988 | $37,108,309,963 | -$27,710,187 | $111.88 | 843 |
| 2024 Q2 | 330,971,576 | $33,382,800,419 | +$280,135,197 | $100.89 | 798 |
| 2024 Q1 | 328,387,561 | $30,350,823,955 | +$155,945,750 | $92.44 | 793 |
| 2023 Q4 | 327,256,233 | $24,306,386,241 | -$586,938,100 | $74.27 | 758 |
| 2023 Q3 | 334,489,978 | $26,669,814,032 | +$424,276,352 | $79.71 | 684 |
| 2023 Q2 | 329,370,562 | $24,648,714,317 | -$348,009,723 | $74.85 | 664 |
| 2023 Q1 | 333,803,579 | $22,651,753,848 | +$13,201,116 | $67.87 | 614 |
| 2022 Q4 | 334,538,159 | $21,001,642,913 | +$723,261,084 | $62.78 | 566 |
| 2022 Q3 | 325,308,883 | $14,816,051,284 | -$46,563,003 | $45.54 | 475 |
| 2022 Q2 | 326,157,333 | $14,835,031,110 | -$121,739,973 | $45.49 | 489 |
| 2022 Q1 | 329,675,170 | $15,958,942,579 | -$261,389,133 | $48.42 | 495 |
| 2021 Q4 | 334,750,822 | $14,874,958,282 | -$1,018,883,210 | $44.45 | 452 |
| 2021 Q3 | 347,004,560 | $13,252,763,969 | -$330,718,335 | $38.18 | 415 |
| 2021 Q2 | 355,753,213 | $13,850,032,301 | -$102,169,431 | $38.94 | 394 |
| 2021 Q1 | 358,773,961 | $13,765,624,334 | +$1,195,853,574 | $38.37 | 414 |
| 2020 Q4 | 329,064,784 | $11,866,343,852 | +$193,908,689 | $36.07 | 386 |
| 2020 Q3 | 324,285,958 | $9,476,074,217 | +$87,927,655 | $29.25 | 366 |