Position in FLNA
as of Mar 31, 2026
· filed May 11, 2026
Position Value
$35,435
+$17,263 QoQ
Shares Held
20,968
+128.5% QoQ
Ownership
0.043%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2021
19 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in FLNA Over Time
Shares Held
Position Value (USD)
Derivatives in FLNA
reported options exposure · as of Mar 31, 2026CallValue
$85,514
CallShares
50,600
PutValue
$107,822
PutShares
63,800
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 Biotechnology
Healthcare · as of Mar 31, 2026Walleye Trading LLC holds $17,472,598 across 36 Biotechnology names. FLNA ranks #31 (0.2% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | REGN |
Regeneron Pharmaceuticals, Inc.
|
10,390 | $8,027,729 | |
| 2 | ALNY |
Alnylam Pharmaceuticals, Inc.
|
5,756 | $1,904,487 | |
| 3 | INSM |
INSMED Inc
|
7,620 | $1,246,022 | |
| 4 | ABVX |
Abivax S.A.
|
9,769 | $1,087,778 | |
| 5 | CRSP |
CRISPR Therapeutics AG
|
15,086 | $717,641 | |
| 6 | BNTX |
BioNTech SE
|
6,431 | $571,587 | |
| 7 | FOLD |
AMICUS THERAPEUTICS, INC.
|
25,604 | $370,233 | |
| 8 | MRNA |
Moderna, Inc.
|
7,257 | $368,655 |
All Filings in FLNA
Export CSV
45 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $35,435 | 20,968 | Shares | Sole | 2026-05-11 | |
| 2026-03-31 | $107,822 | 63,800 | Put | Sole | 2026-05-11 | |
| 2026-03-31 | $85,514 | 50,600 | Call | Sole | 2026-05-11 | |
| 2025-12-31 | $392,436 | 198,200 | Call | Sole | 2026-02-13 | |
| 2025-12-31 | $165,726 | 83,700 | Put | Sole | 2026-02-13 | |
| 2025-12-31 | $18,172 | 9,178 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $103,750 | 35,653 | Shares | Sole | 2025-11-14 | |
| 2025-09-30 | $525,255 | 180,500 | Call | Sole | 2025-11-14 | |
| 2025-09-30 | $302,349 | 103,900 | Put | Sole | 2025-11-14 | |
| 2025-06-30 | $183,715 | 101,500 | Put | Sole | 2025-08-13 | |
| 2025-06-30 | $245,436 | 135,600 | Call | Sole | 2025-08-13 | |
| 2025-06-30 | $34,695 | 19,169 | Shares | Sole | 2025-08-13 | |
| 2025-03-31 | $64,342 | 42,895 | Shares | Sole | 2025-05-14 | |
| 2025-03-31 | $166,650 | 111,100 | Put | Sole | 2025-05-14 | |
| 2025-03-31 | $225,150 | 150,100 | Call | Sole | 2025-05-14 | |
| 2024-12-31 | $636,964 | 269,900 | Call | Sole | 2025-02-13 | |
| 2024-12-31 | $569,468 | 241,300 | Put | Sole | 2025-02-13 | |
| 2024-09-30 | $9,249,849 | 314,300 | Put | Sole | 2024-11-14 | |
| 2024-09-30 | $3,360,906 | 114,200 | Call | Sole | 2024-11-14 | |
| 2024-06-30 | $49,214 | 3,985 | Shares | Sole | 2024-08-14 | |
| 2024-06-30 | $2,867,670 | 232,200 | Put | Sole | 2024-08-14 | |
| 2024-06-30 | $1,532,635 | 124,100 | Call | Sole | 2024-08-14 | |
| 2024-03-31 | $2,461,177 | 121,300 | Call | Sole | 2024-05-15 | |
| 2024-03-31 | $3,713,070 | 183,000 | Put | Sole | 2024-05-15 | |
| 2023-12-31 | $3,342,735 | 148,500 | Put | Sole | 2024-02-14 | |
| 2023-12-31 | $3,648,871 | 162,100 | Call | Sole | 2024-02-14 | |
| 2023-09-30 | $1,537,536 | 92,400 | Call | Sole | 2023-11-21 | |
| 2023-09-30 | $840,320 | 50,500 | Put | Sole | 2023-11-21 | |
| 2023-06-30 | $662,260 | 27,009 | Shares | Sole | 2023-08-14 | |
| 2023-06-30 | $1,191,672 | 48,600 | Put | Sole | 2023-08-14 | |
| 2023-06-30 | $338,376 | 13,800 | Call | Sole | 2023-08-14 | |
| 2023-03-31 | $173,664 | 7,200 | Call | Sole | 2023-05-15 | |
| 2023-03-31 | $154,368 | 6,400 | Put | Sole | 2023-05-15 | |
| 2022-09-30 | $217,464 | 5,200 | Call | Sole | 2022-11-14 | |
| 2022-09-30 | $347,106 | 8,300 | Put | Sole | 2022-11-14 | |
| 2022-06-30 | $47,804 | 1,700 | Put | Sole | 2022-08-08 | |
| 2022-06-30 | $388,056 | 13,800 | Call | Sole | 2022-08-08 | |
| 2021-12-31 | $56,810 | 1,300 | Put | Sole | 2022-02-14 | |
| 2021-12-31 | $358,340 | 8,200 | Call | Sole | 2022-02-14 | |
| 2021-09-30 | $1,204,352 | 19,400 | Call | Sole | 2021-11-15 | |
| 2021-09-30 | $558,720 | 9,000 | Put | Sole | 2021-11-15 | |
| 2021-06-30 | $307,584 | 3,600 | Put | Sole | 2021-08-16 | |
| 2021-06-30 | $25,632 | 300 | Call | Sole | 2021-08-16 | |
| 2021-03-31 | $224,750 | 5,000 | Call | Sole | 2021-05-17 | |
| 2021-03-31 | $15,642 | 348 | Shares | Sole | 2021-05-17 | |
| No filing history on record for this holder in this stock. | ||||||