Quantum Portfolio Management LLC
Position in AMG — Affiliated Managers Group, Inc.
CIK 2003672
New York, NY
Position in AMG
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$717,069
+$125,485 QoQ
Shares Held
2,119
-0.9% QoQ
Ownership
0.008%
of shares outstanding
% of Portfolio
0.37%
of 13F equity value
Holder Rank
#281
of 552 holders
Holding Since
Mar 2024
10 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in AMG Over Time
Shares Held
Position Value (USD)
Position in Asset Management
Financial Services · as of Jun 30, 2026Quantum Portfolio Management LLC holds $3,876,519 across 21 Asset Management names. AMG ranks #2 (18.5% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | BEN |
Franklin Resources Inc
|
37,888 | $1,260,533 | |
| 2 | AMG |
Affiliated Managers Group, Inc.
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|
2,119 | $717,069 | |
| 3 | AMP |
Ameriprise Financial Inc
|
1,243 | $570,238 | |
| 4 | UTG |
Reaves Utility Income Fund
|
13,026 | $530,418 | |
| 5 | BLK |
BlackRock, Inc.
|
166 | $159,618 | |
| 6 | HPI |
John Hancock Preferred Income Fund
|
5,410 | $87,696 | |
| 7 | HLNE |
Hamilton Lane INC
|
1,080 | $85,136 | |
| 8 | ASGI |
abrdn Global Infrastructure Income Fund
|
2,413 | $56,102 |
All Filings in AMG
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10 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $717,069 | 2,119 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $591,584 | 2,138 | Shares | Sole | 2026-05-01 | |
| 2025-12-31 | $647,188 | 2,245 | Shares | Sole | 2026-02-12 | |
| 2025-09-30 | $860,493 | 3,609 | Shares | Sole | 2025-10-29 | |
| 2025-06-30 | $462,409 | 2,350 | Shares | Sole | 2025-08-13 | |
| 2025-03-31 | $411,505 | 2,449 | Shares | Sole | 2025-05-14 | |
| 2024-12-31 | $913,504 | 4,940 | Shares | Sole | 2025-01-23 | |
| 2024-09-30 | $923,848 | 5,196 | Shares | Sole | 2024-10-24 | |
| 2024-06-30 | $451,348 | 2,889 | Shares | Sole | 2024-08-06 | |
| 2024-03-31 | $508,606 | 3,037 | Shares | Sole | 2024-05-14 | |
| No filing history on record for this holder in this stock. | ||||||