Security key
03939A404
- Security type / class
- Equity / PUBLIC
- Total 13F shares
- 42,153
- Total 13F value
- $699,955
- Share change
- +39,801
- SEC-reported price per share
- $16.70
- Number of holders
- 4
- Value change
- +$660,677
- Number of buys
- 2
- Number of sells
- 2
Report period
Q4 2025
Institutions
4
Top holders
4
ACGLN full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q1 2026
Previous quarter: Q3 2025
ARCH CAPITAL GROUP LTD. SEC filings
ARCH CAPITAL GROUP LTD. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 03939A404
Recent filing periods:
Ownership snapshot
Top reported holders of ACGLN - ARCH CAPITAL GROUP LTD. - PUBLIC (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
BAMCO INC /NY/
Disclosed value leader
VANGUARD GROUP INC
Comparable rows
1/15
Latest evidence
30 Sep 2025
13F
13D/G
Lead comparable stake: 5%
14 rows are not safely comparable across share classes.
13D/G row: BAMCO INC /NY/
Showing 1-6 of 15 holder rows.
Quick read
BAMCO INC /NY/ leads the comparable SEC ownership view at 5%.
1 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens BAMCO INC /NY/'s linked filing trail.
Comparable ownership
Top 1
BAMCO INC /NY/
5%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| BAMCO INC /NY/ |
13F
13D/G
Company · Baron Capital Group, Inc.
|
5%
Reported 13D/G
· 31 Dec 2025
|
$1,702,063,498
18,759,655 shares
|
— | 30 Sep 2025 |
| VANGUARD GROUP INC |
13F
Company
|
—
denominator unverified
|
$3,839,078,451
42,313,220 shares
|
— | 30 Sep 2025 |
| BlackRock, Inc. |
13F
Company
|
—
denominator unverified
|
$2,945,352,825
32,462,832 shares
|
— | 30 Sep 2025 |
| Artisan Partners Limited Partnership |
13F
Company
|
—
denominator unverified
|
$2,144,685,357
23,638,106 shares
|
— | 30 Sep 2025 |
| STATE STREET CORP |
13F
Company
|
—
denominator unverified
|
$1,521,378,514
16,768,197 shares
|
— | 30 Sep 2025 |
| WCM INVESTMENT MANAGEMENT, LLC |
13F
Company
|
—
denominator unverified
|
$1,214,986,904
13,525,402 shares
|
— | 30 Sep 2025 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q4 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
4
Shares
42,153
Rows available
4
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q4 2025 vs Q3 2025 Across Filers
Q3 2025 holders
2
Q4 2025 holders
4
Holder diff
2
| Investor | Q3 2025 Shares | Q4 2025 Shares | Share Diff | Share Chg % | Q3 2025 value | Q4 2025 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend