Quantum Portfolio Management LLC
Position in ACGL — Arch Capital Group Ltd.
CIK 2003672
New York, NY
Position in ACGL
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$619,921
-$28,203 QoQ
Shares Held
6,387
-5.4% QoQ
Ownership
0.002%
of shares outstanding
% of Portfolio
0.32%
of 13F equity value
Holder Rank
#507
of 900 holders
Holding Since
Mar 2025
6 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in ACGL Over Time
Shares Held
Position Value (USD)
Position in Insurance - Diversified
Financial Services · as of Jun 30, 2026Quantum Portfolio Management LLC holds $619,921 across 1 Insurance - Diversified name. ACGL ranks #1 (100.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ACGL |
Arch Capital Group Ltd.
This page
|
6,387 | $619,921 |
All Filings in ACGL
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6 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $619,921 | 6,387 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $648,124 | 6,752 | Shares | Sole | 2026-05-01 | |
| 2025-12-31 | $536,384 | 5,592 | Shares | Sole | 2026-02-12 | |
| 2025-09-30 | $507,362 | 5,592 | Shares | Sole | 2025-10-29 | |
| 2025-06-30 | $509,151 | 5,592 | Shares | Sole | 2025-08-13 | |
| 2025-03-31 | $468,011 | 4,866 | Shares | Sole | 2025-05-14 | |
| No filing history on record for this holder in this stock. | ||||||