What does CUSIP G0450A105 represent in this 13F holders report?

CUSIP G0450A105 is the security identifier for ACGL - ARCH CAPITAL GROUP LTD. - Common Stock used to aggregate holder disclosures.

How many institutions held ACGL - ARCH CAPITAL GROUP LTD. - Common Stock in Q4 2020?

386 institutional investors reported ACGL - ARCH CAPITAL GROUP LTD. - Common Stock for Q4 2020. Use the holders table for investor-level position and value details.

ARCH CAPITAL GROUP LTD. - Common Stock (ACGL)

CUSIP: G0450A105

Q4 2020 13F Holders as of 31 Dec 2020

Type / Class: Equity / Common Stock
Shares outstanding: 356,621,255
Total 13F shares: 329,064,784
Share change: +4,565,823
Total reported value: $11,866,343,852
Put/Call ratio: 17%
Price per share: $36.07
Number of holders: 386
Value change: +$193,908,689
Number of buys: 184
Number of sells: 174

Quarterly Holders Quick Answers

What is CUSIP G0450A105?
CUSIP G0450A105 identifies ACGL - ARCH CAPITAL GROUP LTD. - Common Stock in SEC institutional holdings data.

Need full ownership history?
Open the full security ownership history page.

Next holder-history checks

These links keep the next click tied to holder verification, nearby quarters, or outside-13F ownership context.

Back to full security ownership history for the broader multi-quarter picture.
Latest 13F filings for newly reported positions across managers.
Latest Schedule 13D/13G reports for ownership changes outside the 13F cadence.
SEC investors directory for manager drilldown.

Explore More Reporting Periods

Jump to adjacent filing periods for faster comparison and easier crawl discovery.

Newer quarter: Q1 2021
Previous quarter: Q3 2020

Recent filing periods for CUSIP G0450A105:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Top shareholders of ACGL - ARCH CAPITAL GROUP LTD. - Common Stock (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
VANGUARD GROUP INC	13F	Company	9.7%	34,594,032	$1,011,876,000	—	30 Sep 2020	13F
Artisan Partners Limited Partnership	13F	Company	9%	32,013,642	$936,399,000	—	30 Sep 2020	13F
BlackRock Finance, Inc.	13F	Company	6.8%	24,079,389	$704,323,000	—	30 Sep 2020	13F
BAMCO INC /NY/	13F	Company	6%	21,255,266	$621,717,000	—	30 Sep 2020	13F
Capital World Investors	13F	Company	5.3%	19,011,286	$556,080,000	—	30 Sep 2020	13F
FPR PARTNERS LLC	13F	Company	3.9%	13,816,966	$404,146,000	—	30 Sep 2020	13F
PRINCIPAL FINANCIAL GROUP INC	13F	Company	3.3%	11,805,900	$345,322,000	—	30 Sep 2020	13F
Capital International Investors	13F	Company	3.1%	10,911,916	$319,174,000	—	30 Sep 2020	13F
WELLS FARGO & COMPANY/MN	13F	Company	3%	10,750,167	$314,442,000	—	30 Sep 2020	13F
Capital Research Global Investors	13F	Company	2.7%	9,528,500	$278,709,000	—	30 Sep 2020	13F
STATE STREET CORP	13F	Company	2.6%	9,418,385	$275,488,000	—	30 Sep 2020	13F
MARSHFIELD ASSOCIATES	13F	Company	1.5%	5,499,729	$160,867,000	—	30 Sep 2020	13F
Polar Capital LLP	13F	Company	1.5%	5,287,735	$154,666,000	—	30 Sep 2020	13F
Point72 Asset Management, L.P.	13F	Company	1.4%	4,873,022	$142,536,000	—	30 Sep 2020	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	1.4%	4,874,231	$142,441,000	—	30 Sep 2020	13F
COOKE & BIELER LP	13F	Company	1.2%	4,279,960	$125,189,000	—	30 Sep 2020	13F
NORGES BANK	13F	Company	1.1%	3,939,082	$115,218,000	—	30 Sep 2020	13F
CITADEL ADVISORS LLC	13F	Company	1%	3,721,807	$108,863,000	—	30 Sep 2020	13F
FMR LLC	13F	Company	0.97%	3,471,435	$101,540,000	—	30 Sep 2020	13F
BANK OF AMERICA CORP /DE/	13F	Company	0.83%	2,951,821	$86,341,000	—	30 Sep 2020	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	0.78%	2,770,881	$81,035,000	—	30 Sep 2020	13F
Legal & General Group Plc	13F	Company	0.75%	2,672,056	$78,158,000	—	30 Sep 2020	13F
NORTHERN TRUST CORP	13F	Company	0.74%	2,654,812	$77,653,000	—	30 Sep 2020	13F
Swiss National Bank	13F	Company	0.69%	2,472,139	$72,310,000	—	30 Sep 2020	13F
THOMPSON SIEGEL & WALMSLEY LLC	13F	Company	0.68%	2,433,548	$71,181,000	—	30 Sep 2020	13F
Madison Asset Management, LLC	13F	Company	0.67%	2,388,124	$69,853,000	—	30 Sep 2020	13F
Echo Street Capital Management LLC	13F	Company	0.62%	2,226,835	$65,135,000	—	30 Sep 2020	13F
D. E. Shaw & Co., Inc.	13F	Company	0.62%	2,197,216	$64,269,000	—	30 Sep 2020	13F
CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM	13F	Company	0.57%	2,049,274	$59,941,000	—	30 Sep 2020	13F
AVIVA PLC	13F	Company	0.56%	1,979,472	$57,900,000	—	30 Sep 2020	13F
APG Asset Management N.V.	13F	Company	0.65%	2,303,610	$57,460,000	—	30 Sep 2020	13F
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	13F	Company	0.52%	1,847,406	$54,037,000	—	30 Sep 2020	13F
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	13F	Company	0.51%	1,805,054	$52,797,830	—	30 Sep 2020	13F
Bank of New York Mellon Corp	13F	Company	0.48%	1,713,377	$50,116,000	—	30 Sep 2020	13F
DAVIS CAPITAL PARTNERS, LLC	13F	Company	0.42%	1,500,000	$43,875,000	—	30 Sep 2020	13F
Clearbridge Investments, LLC	13F	Company	0.42%	1,493,247	$43,677,000	—	30 Sep 2020	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.42%	1,484,850	$43,432,000	—	30 Sep 2020	13F
MILLENNIUM MANAGEMENT LLC	13F	Company	0.41%	1,466,498	$42,895,000	—	30 Sep 2020	13F
ROYAL BANK OF CANADA	13F	Company	0.4%	1,423,628	$41,642,000	—	30 Sep 2020	13F
BROWN ADVISORY INC	13F	Company	0.38%	1,361,768	$39,832,000	—	30 Sep 2020	13F
Nuveen Asset Management, LLC	13F	Company	0.38%	1,351,906	$39,543,000	—	30 Sep 2020	13F
EATON VANCE MANAGEMENT	13F	Company	0.36%	1,283,517	$37,543,000	—	30 Sep 2020	13F
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND	13F	Company	0.31%	1,105,666	$32,341,000	—	30 Sep 2020	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.3%	1,057,053	$30,919,000	—	30 Sep 2020	13F
KING STREET CAPITAL MANAGEMENT, L.P.	13F	Company	0.29%	1,035,000	$30,274,000	—	30 Sep 2020	13F
WELLINGTON MANAGEMENT GROUP LLP	13F	Company	0.29%	1,032,464	$30,200,000	—	30 Sep 2020	13F
WEDGE CAPITAL MANAGEMENT L L P/NC	13F	Company	0.28%	1,002,237	$29,315,000	—	30 Sep 2020	13F
Ninety One UK Ltd	13F	Company	0.28%	995,092	$29,106,000	—	30 Sep 2020	13F
DEUTSCHE BANK AG\	13F	Company	0.27%	950,321	$27,798,000	—	30 Sep 2020	13F
MOORE CAPITAL MANAGEMENT, LP	13F	Company	0.23%	817,223	$23,904,000	—	30 Sep 2020	13F

Institutional Holders of ARCH CAPITAL GROUP LTD. - Common Stock (ACGL) as of Q4 2020

As of 31 Dec 2020, ARCH CAPITAL GROUP LTD. - Common Stock (ACGL) was held by 386 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 329,064,784 shares. The largest 10 holders included VANGUARD GROUP INC, Artisan Partners Limited Partnership, BAMCO INC /NY/, BlackRock Inc., Capital World Investors, FPR PARTNERS LLC, PRINCIPAL FINANCIAL GROUP INC, WELLS FARGO & COMPANY/MN, Capital International Investors, and Capital Research Global Investors. This page lists 387 institutional shareholders reporting positions in this security for the Q4 2020 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q4 2020 vs Q3 2020 Across Filers

Q3 2020 holders

366

Q4 2020 holders

386

Holder diff

Investor	Q3 2020 Shares	Q4 2020 Shares	Share Diff	Share Chg %	Q3 2020 Value $	Q4 2020 Value $	Value Diff $	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.