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 Q1 2018?

335 institutional investors reported ACGL - ARCH CAPITAL GROUP LTD. - Common Stock for Q1 2018. Use the holders table for investor-level position and value details.

ARCH CAPITAL GROUP LTD. - Common Stock (ACGL)

CUSIP: G0450A105

Q1 2018 13F Holders as of 31 Mar 2018

Type / Class: Equity / Common Stock
Shares outstanding: 362,651,310
Total 13F shares: 111,590,931
Share change: +4,971,847
Total reported value: $9,548,598,373
Put/Call ratio: 19%
Price per share: $85.59
Number of holders: 335
Value change: +$424,894,163
Number of buys: 177
Number of sells: 126

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.

Related Filing Research

Latest 13F filings for newly reported positions.
Latest Schedule 13D/13G reports for ownership changes outside 13F cadence.
Latest 10-Q/10-K reports for financial context tied to this issuer.
Recent insider transactions for executive and insider activity.
SEC investors directory and top value investors for manager drilldown.
Back to full security ownership history.

Explore More Reporting Periods

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

Newer quarter: Q2 2018
Previous quarter: Q4 2017

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
Artisan Partners Limited Partnership	13F	Company	4.8%	17,459,917	$1,584,837,000	—	31 Dec 2017	13F
VANGUARD GROUP INC	13F	Company	2.9%	10,654,794	$967,136,000	—	31 Dec 2017	13F
BlackRock Finance, Inc.	13F	Company	2.5%	8,897,534	$807,630,000	—	31 Dec 2017	13F
BAMCO INC /NY/	13F	Company	2.3%	8,433,758	$765,532,000	—	31 Dec 2017	13F
Capital World Investors	13F	Company	1.8%	6,656,882	$604,245,000	—	31 Dec 2017	13F
FPR PARTNERS LLC	13F	Company	1.4%	5,107,582	$463,615,000	—	31 Dec 2017	13F
Capital Research Global Investors	13F	Company	1.2%	4,207,240	$381,891,000	—	31 Dec 2017	13F
STATE STREET CORP	13F	Company	0.8%	2,916,043	$264,687,000	—	31 Dec 2017	13F
WELLS FARGO & COMPANY/MN	13F	Company	0.79%	2,847,716	$258,488,000	—	31 Dec 2017	13F
FMR LLC	13F	Company	0.73%	2,638,472	$239,494,000	—	31 Dec 2017	13F
PRINCIPAL FINANCIAL GROUP INC	13F	Company	0.56%	2,034,531	$184,674,000	—	31 Dec 2017	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	0.47%	1,692,500	$153,628,000	—	31 Dec 2017	13F
Polar Capital LLP	13F	Company	0.41%	1,472,624	$133,671,000	—	31 Dec 2017	13F
MARSHFIELD ASSOCIATES	13F	Company	0.38%	1,365,945	$123,987,000	—	31 Dec 2017	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.33%	1,181,416	$107,176,000	—	31 Dec 2017	13F
JANUS HENDERSON GROUP PLC	13F	Company	0.3%	1,092,878	$99,201,000	—	31 Dec 2017	13F
NORGES BANK	13F	Company	0.3%	1,076,733	$97,735,000	—	31 Dec 2017	13F
NORTHERN TRUST CORP	13F	Company	0.29%	1,065,715	$96,736,000	—	31 Dec 2017	13F
FRANKLIN RESOURCES INC	13F	Company	0.28%	1,010,183	$91,694,000	—	31 Dec 2017	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.27%	964,426	$87,541,000	—	31 Dec 2017	13F
Robeco Institutional Asset Management B.V.	13F	Company	0.26%	958,498	$87,004,000	—	31 Dec 2017	13F
LORD, ABBETT & CO. LLC	13F	Company	0.26%	930,221	$84,436,000	—	31 Dec 2017	13F
Swiss National Bank	13F	Company	0.24%	867,368	$78,731,000	—	31 Dec 2017	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	0.23%	829,186	$75,266,000	—	31 Dec 2017	13F
Legal & General Group Plc	13F	Company	0.21%	770,549	$69,945,000	—	31 Dec 2017	13F
Invesco Ltd.	13F	Company	0.2%	735,537	$66,764,000	—	31 Dec 2017	13F
Russell Investments Group, Ltd.	13F	Company	0.2%	723,728	$65,744,000	—	31 Dec 2017	13F
CITADEL ADVISORS LLC	13F	Company	0.19%	696,876	$63,255,000	—	31 Dec 2017	13F
AQR CAPITAL MANAGEMENT LLC	13F	Company	0.18%	650,830	$59,076,000	—	31 Dec 2017	13F
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	13F	Company	0.17%	627,572	$56,964,711	—	31 Dec 2017	13F
VICTORY CAPITAL MANAGEMENT INC	13F	Company	0.16%	585,047	$53,105,000	—	31 Dec 2017	13F
Clearbridge Investments, LLC	13F	Company	0.16%	570,434	$51,778,000	—	31 Dec 2017	13F
Bank of New York Mellon Corp	13F	Company	0.15%	546,386	$49,596,000	—	31 Dec 2017	13F
BROWN ADVISORY INC	13F	Company	0.14%	521,489	$47,336,000	—	31 Dec 2017	13F
TD ASSET MANAGEMENT INC	13F	Company	0.12%	434,751	$39,462,000	—	31 Dec 2017	13F
GENERAL AMERICAN INVESTORS CO INC	13F	Company	0.11%	400,000	$36,308,000	—	31 Dec 2017	13F
NEW YORK STATE COMMON RETIREMENT FUND	13F	Company	0.11%	390,500	$35,446,000	—	31 Dec 2017	13F
MARTINGALE ASSET MANAGEMENT L P	13F	Company	0.11%	388,946	$35,306,000	—	31 Dec 2017	13F
MADISON INVESTMENT HOLDINGS INC	13F	Company	0.11%	385,598	$35,001,000	—	31 Dec 2017	13F
Mitsubishi UFJ Trust & Banking Corp	13F	Company	0.1%	353,081	$32,049,000	—	31 Dec 2017	13F
TIAA CREF INVESTMENT MANAGEMENT LLC	13F	Company	0.1%	349,449	$31,719,000	—	31 Dec 2017	13F
CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM	13F	Company	0.1%	346,110	$31,416,000	—	31 Dec 2017	13F
State of New Jersey Common Pension Fund D	13F	Company	0.09%	338,556	$30,731,000	—	31 Dec 2017	13F
PARAMETRIC PORTFOLIO ASSOCIATES LLC	13F	Company	— mixed-class rows	339,327 mixed-class rows	$29,524,000	—	31 Dec 2017	13F
TEACHERS ADVISORS, LLC	13F	Company	0.09%	324,906	$29,492,000	—	31 Dec 2017	13F
CREDIT SUISSE AG/	13F	Company	0.09%	324,169	$29,426,000	—	31 Dec 2017	13F
MORGAN STANLEY	13F	Company	0.09%	309,902	$28,131,000	—	31 Dec 2017	13F
PARTNERS CAPITAL INVESTMENT GROUP, LLP	13F	Company	0.08%	300,159	$27,245,000	—	31 Dec 2017	13F
BARCLAYS PLC	13F	Company	0.08%	296,007	$26,869,000	—	31 Dec 2017	13F
STIFEL FINANCIAL CORP	13F	Company	0.08%	289,378	$26,269,000	—	31 Dec 2017	13F

Institutional Holders of ARCH CAPITAL GROUP LTD. - Common Stock (ACGL) as of Q1 2018

As of 31 Mar 2018, ARCH CAPITAL GROUP LTD. - Common Stock (ACGL) was held by 335 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 111,590,931 shares. The largest 10 holders included Artisan Partners Limited Partnership, VANGUARD GROUP INC, BlackRock Inc., BAMCO INC /NY/, Capital World Investors, FPR PARTNERS LLC, Capital Research Global Investors, WELLS FARGO & COMPANY/MN, STATE STREET CORP, and PRINCIPAL FINANCIAL GROUP INC. This page lists 336 institutional shareholders reporting positions in this security for the Q1 2018 filing period.

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

Compare Q1 2018 vs Q4 2017 Across Filers

Q4 2017 holders

308

Q1 2018 holders

335

Holder diff

Investor	Q4 2017 Shares	Q1 2018 Shares	Share Diff	Share Chg %	Q4 2017 Value $	Q1 2018 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.