Calamos Advisors LLC
Position in BST — BlackRock Science & Technology Trust
CIK 1316507
NAPERVILLE, IL
Position in BST
as of Jun 30, 2026
· filed Jul 31, 2026
Position Value
$370,892
+$43,165 QoQ
Shares Held
7,314
-14.8% QoQ
Ownership
0.021%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#77
of 134 holders
Holding Since
Sep 2024
5 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in BST Over Time
Shares Held
Position Value (USD)
Position in Asset Management
Financial Services · as of Jun 30, 2026Calamos Advisors LLC holds $153,898,195 across 62 Asset Management names. BST ranks #46 (0.2% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | STT |
State Street Corp
|
183,584 | $31,135,846 | |
| 2 | BLK |
BlackRock, Inc.
|
29,821 | $28,674,680 | |
| 3 | AMP |
Ameriprise Financial Inc
|
46,875 | $21,504,375 | |
| 4 | NTRS |
Northern Trust Corp
|
74,635 | $12,974,548 | |
| 5 | AMG |
Affiliated Managers Group, Inc.
|
35,430 | $11,989,512 | |
| 6 | BX |
Blackstone Inc.
|
91,972 | $10,822,345 | |
| 7 | DBRG |
DigitalBridge Group, Inc.
|
232,624 | $3,670,806 | |
| 8 | ETW |
Eaton Vance Tax-Managed Global Buy-Write Opportunities Fund
|
143,639 | $1,384,679 |
All Filings in BST
Export CSV
5 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $370,892 | 7,314 | Shares | Sole | 2026-07-31 | |
| 2025-06-30 | $327,727 | 8,586 | Shares | Sole | 2025-08-08 | |
| 2025-03-31 | $280,151 | 8,492 | Shares | Sole | 2025-04-29 | |
| 2024-12-31 | $369,840 | 10,116 | Shares | Sole | 2025-01-24 | |
| 2024-09-30 | $227,985 | 6,433 | Shares | Sole | 2024-11-07 | |
| No filing history on record for this holder in this stock. | ||||||