Parallax Volatility Advisers, L.P.
Position in DHR — Danaher Corp /De/
CIK 1521001
San Francisco, CA
Position in DHR
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$380
-$16,959,340 QoQ
Shares Held
2
-100.0% QoQ
Ownership
0.000%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#2,100
of 2,105 holders
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in DHR Over Time
Shares Held
Position Value (USD)
Derivatives in DHR
reported options exposure · as of Jun 30, 2026CallValue
$3,333,400
CallShares
17,500
PutValue
$0
PutShares
0
Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.
Position in Diagnostics & Research
Healthcare · as of Jun 30, 2026Parallax Volatility Advisers, L.P. holds $814,087 across 2 Diagnostics & Research names. DHR ranks #2 (0.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | TMO |
Thermo Fisher Scientific Inc.
|
1,623 | $813,707 | |
| 2 | DHR |
Danaher Corp /De/
This page
|
2 | $380 |
All Filings in DHR
Export CSV
50 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $3,333,400 | 17,500 | Call | Sole | 2026-08-14 | |
| 2026-06-30 | $380 | 2 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $32,819,760 | 173,100 | Put | Sole | 2026-05-15 | |
| 2026-03-31 | $37,920 | 200 | Call | Sole | 2026-05-15 | |
| 2026-03-31 | $16,959,720 | 89,450 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $2,147,956 | 9,383 | Shares | Sole | 2026-02-17 | |
| 2025-12-31 | $114,460 | 500 | Call | Sole | 2026-02-17 | |
| 2025-12-31 | $5,242,268 | 22,900 | Put | Sole | 2026-02-17 | |
| 2025-09-30 | $178,434 | 900 | Put | Sole | 2025-11-14 | |
| 2025-09-30 | $3,449,724 | 17,400 | Call | Sole | 2025-11-14 | |
| 2025-03-31 | $410 | 2 | Shares | Sole | 2025-05-15 | |
| 2025-03-31 | $2,050,000 | 10,000 | Call | Sole | 2025-05-15 | |
| 2024-12-31 | $13,336,855 | 58,100 | Call | Sole | 2025-02-14 | |
| 2024-12-31 | $3,098,925 | 13,500 | Put | Sole | 2025-02-14 | |
| 2024-12-31 | $369,116 | 1,608 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $62,860,322 | 226,100 | Call | Sole | 2024-11-14 | |
| 2024-09-30 | $4,031,290 | 14,500 | Put | Sole | 2024-11-14 | |
| 2024-06-30 | $449,730 | 1,800 | Call | Sole | 2024-08-14 | |
| 2024-06-30 | $3,472,915 | 13,900 | Put | Sole | 2024-08-14 | |
| 2024-03-31 | $43,176,588 | 172,900 | Call | Sole | 2024-05-15 | |
| 2024-03-31 | $17,055,876 | 68,300 | Put | Sole | 2024-05-15 | |
| 2023-12-31 | $133,089,902 | 575,300 | Call | Sole | 2024-02-14 | |
| 2023-12-31 | $8,143,168 | 35,200 | Put | Sole | 2024-02-14 | |
| 2023-09-30 | $124,124,425 | 500,300 | Call | Sole | 2023-11-14 | |
| 2023-09-30 | $8,063,249 | 32,500 | Put | Sole | 2023-11-14 | |
| 2023-06-30 | $5,064,001 | 21,100 | Put | Sole | 2023-08-14 | |
| 2023-06-30 | $82,488,016 | 343,700 | Call | Sole | 2023-08-14 | |
| 2023-03-31 | $84,534,209 | 335,400 | Call | Sole | 2023-05-15 | |
| 2023-03-31 | $6,200,183 | 24,600 | Put | Sole | 2023-05-15 | |
| 2022-12-31 | $15,314,732 | 57,700 | Put | Sole | 2023-02-27 | |
| 2022-12-31 | $56,746,791 | 213,800 | Call | Sole | 2023-02-27 | |
| 2022-09-30 | $14,025,147 | 54,300 | Put | Sole | 2022-11-21 | |
| 2022-09-30 | $2,841,190 | 11,000 | Call | Sole | 2022-11-21 | |
| 2022-09-30 | $3,798,412 | 14,706 | Shares | Sole | 2022-11-21 | |
| 2022-06-30 | $3,067,592 | 12,100 | Call | Sole | 2022-08-17 | |
| 2022-06-30 | $1,163,149 | 4,588 | Shares | Sole | 2022-08-17 | |
| 2022-06-30 | $8,366,161 | 33,000 | Put | Sole | 2022-08-17 | |
| 2022-03-31 | $10,794,542 | 36,800 | Put | Sole | 2022-05-16 | |
| 2022-03-31 | $29,332 | 100 | Call | Sole | 2022-05-16 | |
| 2022-03-31 | $3,082,897 | 10,510 | Shares | Sole | 2022-05-16 | |
| 2021-12-31 | $41,652,659 | 126,600 | Call | Sole | 2022-02-14 | |
| 2021-12-31 | $34,611,829 | 105,200 | Put | Sole | 2022-02-14 | |
| 2021-09-30 | $60,735,774 | 199,500 | Call | Sole | 2021-11-15 | |
| 2021-09-30 | $58,756,884 | 193,000 | Put | Sole | 2021-11-15 | |
| 2021-06-30 | $4,937,811 | 18,400 | Put | Sole | 2021-08-16 | |
| 2021-06-30 | $858,751 | 3,200 | Call | Sole | 2021-08-16 | |
| 2021-06-30 | $2,950,618 | 10,995 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $2,430,845 | 10,800 | Put | Sole | 2021-05-14 | |
| 2021-03-31 | $726,108 | 3,226 | Shares | Sole | 2021-05-14 | |
| 2020-12-31 | $5,350,463 | 24,086 | Shares | Sole | 2021-02-16 | |
| No filing history on record for this holder in this stock. | ||||||