Position in GKOS
as of Jun 30, 2026
· filed Aug 12, 2026
Position Value
$452,542
+$101,140 QoQ
Shares Held
3,238
-0.8% QoQ
Ownership
0.005%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#220
of 364 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in GKOS Over Time
Shares Held
Position Value (USD)
Position in Medical Devices
Healthcare · as of Jun 30, 2026GAMCO INVESTORS, INC. ET AL holds $88,721,847 across 19 Medical Devices names. GKOS ranks #15 (0.5% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ZBH |
Zimmer Biomet Holdings, Inc.
|
228,658 | $19,685,167 | |
| 2 | STE |
STERIS plc
|
84,889 | $17,875,076 | |
| 3 | GMED |
Globus Medical Inc
|
129,217 | $10,209,435 | |
| 4 | BIO |
Bio-Rad Laboratories, Inc.
|
26,750 | $7,854,067 | |
| 5 | SYK |
Stryker Corp
|
22,961 | $7,229,041 | |
| 6 | ELMD |
Electromed, Inc.
|
142,000 | $6,006,600 | |
| 7 | QDEL |
QuidelOrtho Corp
|
251,235 | $4,401,637 | |
| 8 | DXCM |
Dexcom Inc
|
52,000 | $3,502,200 |
All Filings in GKOS
Export CSV
26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $452,542 | 3,238 | Shares | Sole | 2026-08-12 | |
| 2026-03-31 | $351,402 | 3,264 | Shares | Sole | 2026-05-14 | |
| 2025-12-31 | $417,879 | 3,701 | Shares | Sole | 2026-02-05 | |
| 2025-09-30 | $660,555 | 8,100 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $826,423 | 8,001 | Shares | Sole | 2025-08-13 | |
| 2025-03-31 | $711,379 | 7,228 | Shares | Sole | 2025-05-14 | |
| 2024-12-31 | $781,037 | 5,209 | Shares | Sole | 2025-02-13 | |
| 2024-09-30 | $686,575 | 5,270 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $651,753 | 5,507 | Shares | Sole | 2024-08-13 | |
| 2024-03-31 | $753,377 | 7,990 | Shares | Sole | 2024-05-14 | |
| 2023-12-31 | $646,333 | 8,131 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $628,713 | 8,355 | Shares | Sole | 2023-11-08 | |
| 2023-06-30 | $649,363 | 9,119 | Shares | Sole | 2023-08-15 | |
| 2023-03-31 | $436,270 | 8,708 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $301,828 | 6,910 | Shares | Sole | 2023-02-15 | |
| 2022-09-30 | $382,369 | 7,182 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $277,062 | 6,100 | Shares | Sole | 2022-08-12 | |
| 2022-03-31 | $411,389 | 7,115 | Shares | Sole | 2022-05-18 | |
| 2021-12-31 | $280,505 | 6,312 | Shares | Sole | 2022-02-11 | |
| 2021-09-30 | $235,695 | 4,893 | Shares | Sole | 2021-11-12 | |
| 2021-06-30 | $430,766 | 5,078 | Shares | Sole | 2021-08-13 | |
| 2021-03-31 | $431,735 | 5,144 | Shares | Sole | 2021-05-14 | |
| 2020-12-31 | $372,913 | 4,955 | Shares | Sole | 2021-02-05 | |
| 2020-09-30 | $384,473 | 7,764 | Shares | Sole | 2020-11-06 | |
| 2020-06-30 | $312,854 | 8,143 | Shares | Sole | 2020-08-13 | |
| 2020-03-31 | $251,231 | 8,141 | Shares | Sole | 2020-05-14 | |
| No filing history on record for this holder in this stock. | ||||||