THOMPSON INVESTMENT MANAGEMENT, INC.
Position in IBB — iShares Biotechnology ETF
CIK 1277279
MADISON, WI
Position in IBB
as of Mar 31, 2026
· filed Apr 8, 2026
Position Value
$49,135
+$23 QoQ
Shares Held
291
0.0% QoQ
Ownership
—
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2023
13 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in IBB Over Time
Shares Held
Position Value (USD)
All Filings in IBB
Export CSV
13 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $49,135 | 291 | Shares | Sole | 2026-04-08 | |
| 2025-12-31 | $49,112 | 291 | Shares | Sole | 2026-01-14 | |
| 2025-09-30 | $42,011 | 291 | Shares | Sole | 2025-10-17 | |
| 2025-06-30 | $36,814 | 291 | Shares | Sole | 2025-07-24 | |
| 2025-03-31 | $37,218 | 291 | Shares | Sole | 2025-04-15 | |
| 2024-12-31 | $38,473 | 291 | Shares | Sole | 2025-01-28 | |
| 2024-09-30 | $42,369 | 291 | Shares | Sole | 2024-10-15 | |
| 2024-06-30 | $39,942 | 291 | Shares | Sole | 2024-07-08 | |
| 2024-03-31 | $39,931 | 291 | Shares | Sole | 2024-04-15 | |
| 2023-12-31 | $39,532 | 291 | Shares | Sole | 2024-01-16 | |
| 2023-09-30 | $35,586 | 291 | Shares | Sole | 2023-10-30 | |
| 2023-06-30 | $36,945 | 291 | Shares | Sole | 2023-07-10 | |
| 2023-03-31 | $37,585 | 291 | Shares | Sole | 2023-04-24 | |
| No filing history on record for this holder in this stock. | ||||||