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 2016?

278 institutional investors reported ACGL - ARCH CAPITAL GROUP LTD. - Common Stock for Q1 2016. Use the holders table for investor-level position and value details.

ARCH CAPITAL GROUP LTD. - Common Stock (ACGL)

CUSIP: G0450A105

Q1 2016 13F Holders as of 31 Mar 2016

Type / Class: Equity / Common Stock
Shares outstanding: 356,621,255
Total 13F shares: 95,141,724
Share change: -49,315
Total reported value: $6,763,078,665
Put/Call ratio: 64%
Price per share: $71.10
Number of holders: 278
Value change: -$3,372,952
Number of buys: 115
Number of sells: 145

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: Q2 2016
Previous quarter: Q4 2015

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	5.5%	19,611,180	$1,367,880,000	—	31 Dec 2015	13F
BAMCO INC /NY/	13F	Company	2.5%	8,911,643	$621,587,000	—	31 Dec 2015	13F
VANGUARD GROUP INC	13F	Company	2.2%	8,012,012	$558,838,000	—	31 Dec 2015	13F
FPR PARTNERS LLC	13F	Company	1.9%	6,743,574	$470,364,000	—	31 Dec 2015	13F
BlackRock Institutional Trust Company, N.A.	13F	Company	0.99%	3,530,451	$246,249,000	—	31 Dec 2015	13F
STATE STREET CORP	13F	Company	0.81%	2,904,576	$202,604,000	—	31 Dec 2015	13F
BlackRock Fund Advisors	13F	Company	0.66%	2,371,423	$165,407,000	—	31 Dec 2015	13F
MARSHFIELD ASSOCIATES	13F	Company	0.49%	1,760,066	$122,765,000	—	31 Dec 2015	13F
FRANKLIN RESOURCES INC	13F	Company	0.46%	1,629,968	$113,691,000	—	31 Dec 2015	13F
FMR LLC	13F	Company	0.44%	1,578,106	$110,073,000	—	31 Dec 2015	13F
Invesco Ltd.	13F	Company	0.43%	1,517,851	$105,871,000	—	31 Dec 2015	13F
APG Asset Management N.V.	13F	Company	0.4%	1,417,646	$98,880,809	—	31 Dec 2015	13F
NORGES BANK	13F	Company	0.34%	1,222,943	$85,300,000	—	31 Dec 2015	13F
PRINCIPAL FINANCIAL GROUP INC	13F	Company	0.33%	1,190,378	$83,029,000	—	31 Dec 2015	13F
Polar Capital LLP	13F	Company	0.33%	1,178,570	$82,205,000	—	31 Dec 2015	13F
ANALYTIC INVESTORS, LLC	13F	Company	0.31%	1,089,429	$75,988,000	—	31 Dec 2015	13F
Robeco Institutional Asset Management B.V.	13F	Company	0.3%	1,052,497	$73,414,000	—	31 Dec 2015	13F
BlackRock Group LTD	13F	Company	0.29%	1,022,242	$71,301,000	—	31 Dec 2015	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	0.28%	998,493	$69,648,000	—	31 Dec 2015	13F
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	13F	Company	0.25%	905,515	$63,159,000	—	31 Dec 2015	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	0.25%	880,600	$61,422,000	—	31 Dec 2015	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.24%	870,857	$60,709,000	—	31 Dec 2015	13F
WELLS FARGO & COMPANY/MN	13F	Company	0.24%	860,735	$60,037,000	—	31 Dec 2015	13F
LORD, ABBETT & CO. LLC	13F	Company	0.22%	784,308	$54,705,000	—	31 Dec 2015	13F
NORTHERN TRUST CORP	13F	Company	0.21%	750,752	$52,364,000	—	31 Dec 2015	13F
GENERAL AMERICAN INVESTORS CO INC	13F	Company	0.2%	700,000	$48,825,000	—	31 Dec 2015	13F
Legal & General Group Plc	13F	Company	0.19%	690,724	$48,209,000	—	31 Dec 2015	13F
AQR CAPITAL MANAGEMENT LLC	13F	Company	0.19%	680,582	$47,471,000	—	31 Dec 2015	13F
JANUS HENDERSON INVESTORS US LLC	13F	Company	0.18%	651,900	$45,470,000	—	31 Dec 2015	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.17%	623,003	$43,454,000	—	31 Dec 2015	13F
BROWN ADVISORY INC	13F	Company	0.15%	540,181	$37,678,000	—	31 Dec 2015	13F
Bank of New York Mellon Corp	13F	Company	0.15%	533,314	$37,199,000	—	31 Dec 2015	13F
VICTORY CAPITAL MANAGEMENT INC	13F	Company	0.15%	521,225	$36,356,000	—	31 Dec 2015	13F
PGGM Investments	13F	Individual	0.15%	517,748	$36,113,000	—	31 Dec 2015	13F
RUSSELL FRANK CO/	13F	Company	0.14%	505,768	$35,728,000	—	31 Dec 2015	13F
TD ASSET MANAGEMENT INC	13F	Company	0.14%	495,247	$34,543,000	—	31 Dec 2015	13F
Clearbridge Investments, LLC	13F	Company	0.13%	481,065	$33,554,000	—	31 Dec 2015	13F
MADISON INVESTMENT HOLDINGS INC	13F	Company	0.13%	453,486	$31,631,000	—	31 Dec 2015	13F
STEINBERG ASSET MANAGEMENT LLC	13F	Company	0.12%	434,123	$30,280,000	—	31 Dec 2015	13F
SCOUT INVESTMENTS, INC.	13F	Company	0.11%	409,668	$28,574,000	—	31 Dec 2015	13F
PICTON MAHONEY ASSET MANAGEMENT	13F	Company	0.11%	388,285	$27,083,000	—	31 Dec 2015	13F
TEACHERS ADVISORS, LLC	13F	Company	0.11%	385,277	$26,873,000	—	31 Dec 2015	13F
CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM	13F	Company	0.1%	372,000	$25,947,000	—	31 Dec 2015	13F
Mitsubishi UFJ Trust & Banking Corp	13F	Company	0.1%	366,690	$25,577,000	—	31 Dec 2015	13F
D. E. Shaw & Co., Inc.	13F	Company	0.1%	366,153	$25,539,000	—	31 Dec 2015	13F
Swiss National Bank	13F	Company	0.1%	357,068	$24,905,000	—	31 Dec 2015	13F
State of New Jersey Common Pension Fund D	13F	Company	0.09%	338,556	$23,614,000	—	31 Dec 2015	13F
TIAA CREF INVESTMENT MANAGEMENT LLC	13F	Company	0.09%	336,957	$23,503,000	—	31 Dec 2015	13F
STIFEL FINANCIAL CORP	13F	Company	0.09%	336,187	$23,458,000	—	31 Dec 2015	13F
NEW YORK STATE COMMON RETIREMENT FUND	13F	Company	0.09%	325,200	$22,683,000	—	31 Dec 2015	13F

Institutional Holders of ARCH CAPITAL GROUP LTD. - Common Stock (ACGL) as of Q1 2016

As of 31 Mar 2016, ARCH CAPITAL GROUP LTD. - Common Stock (ACGL) was held by 278 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 95,141,724 shares. The largest 10 holders included Artisan Partners Limited Partnership, BAMCO INC /NY/, VANGUARD GROUP INC, FPR PARTNERS LLC, BlackRock Institutional Trust Company, N.A., STATE STREET CORP, BlackRock Fund Advisors, MARSHFIELD ASSOCIATES, FMR LLC, and FRANKLIN RESOURCES INC. This page lists 279 institutional shareholders reporting positions in this security for the Q1 2016 filing period.

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

Compare Q1 2016 vs Q4 2015 Across Filers

Q4 2015 holders

293

Q1 2016 holders

278

Holder diff

-15

Investor	Q4 2015 Shares	Q1 2016 Shares	Share Diff	Share Chg %	Q4 2015 Value $	Q1 2016 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.