Position in BIO
as of Jun 30, 2026
· filed Aug 11, 2026
Position Value
$880,830
+$44,580 QoQ
Shares Held
3,000
0.0% QoQ
Ownership
0.011%
of shares outstanding
% of Portfolio
0.39%
of 13F equity value
Holder Rank
#174
of 397 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 0%
Shared 0%
None 100%
Common Shares in BIO Over Time
Shares Held
Position Value (USD)
Position in Medical Devices
Healthcare · as of Jun 30, 2026WESTPORT ASSET MANAGEMENT INC holds $1,243,790 across 2 Medical Devices names. BIO ranks #1 (70.8% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | BIO |
Bio-Rad Laboratories, Inc.
This page
|
3,000 | $880,830 | |
| 2 | ABT |
Abbott Laboratories
|
4,000 | $362,960 |
All Filings in BIO
Export CSV
26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $880,830 | 3,000 | Shares | Defined | 2026-08-11 | |
| 2026-03-31 | $836,250 | 3,000 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $908,970 | 3,000 | Shares | Defined | 2026-02-04 | |
| 2025-09-30 | $841,170 | 3,000 | Shares | Defined | 2025-11-12 | |
| 2025-06-30 | $723,960 | 3,000 | Shares | Defined | 2025-08-12 | |
| 2025-03-31 | $730,680 | 3,000 | Shares | Defined | 2025-05-14 | |
| 2024-12-31 | $985,530 | 3,000 | Shares | Defined | 2025-02-14 | |
| 2024-09-30 | $1,003,740 | 3,000 | Shares | Defined | 2024-11-13 | |
| 2024-06-30 | $819,330 | 3,000 | Shares | Defined | 2024-08-12 | |
| 2024-03-31 | $691,740 | 2,000 | Shares | Defined | 2024-05-14 | |
| 2023-12-31 | $645,780 | 2,000 | Shares | Defined | 2024-02-09 | |
| 2023-09-30 | $716,900 | 2,000 | Shares | Defined | 2023-11-13 | |
| 2023-06-30 | $758,240 | 2,000 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $718,530 | 1,500 | Shares | Defined | 2023-05-15 | |
| 2022-12-31 | $630,735 | 1,500 | Shares | Defined | 2023-02-14 | |
| 2022-09-30 | $625,710 | 1,500 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $742,500 | 1,500 | Shares | Defined | 2022-08-15 | |
| 2022-03-31 | $844,845 | 1,500 | Shares | Defined | 2022-05-12 | |
| 2021-12-31 | $1,133,355 | 1,500 | Shares | Defined | 2022-02-14 | |
| 2021-09-30 | $1,118,925 | 1,500 | Shares | Defined | 2021-11-12 | |
| 2021-06-30 | $966,435 | 1,500 | Shares | Defined | 2021-08-11 | |
| 2021-03-31 | $856,755 | 1,500 | Shares | Defined | 2021-05-11 | |
| 2020-12-31 | $874,410 | 1,500 | Shares | Defined | 2021-02-11 | |
| 2020-09-30 | $773,190 | 1,500 | Shares | Defined | 2020-11-10 | |
| 2020-06-30 | $677,235 | 1,500 | Shares | Defined | 2020-08-12 | |
| 2020-03-31 | $525,840 | 1,500 | Shares | Defined | 2020-05-08 | |
| No filing history on record for this holder in this stock. | ||||||