SIG BROKERAGE, LP
Broker-DealerPosition in DFTX — Definium Therapeutics, Inc.
CIK 1094429
BALA CYNWYD, PA
Position in DFTX
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$308,723
New position
Shares Held
6,563
first reported quarter
Ownership
0.005%
of shares outstanding
% of Portfolio
0.06%
of 13F equity value
Holder Rank
#248
of 355 holders
Holding Since
Jun 2026
1 quarter on record
Voting authority
Sole 100%
Shared 0%
None 0%
Derivatives in DFTX
reported options exposure · as of Jun 30, 2026CallValue
$4,384,128
CallShares
93,200
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 Biotechnology
Healthcare · as of Jun 30, 2026SIG BROKERAGE, LP holds $14,503,065 across 7 Biotechnology names. DFTX ranks #4 (2.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
22,390 | $11,121,784 | |
| 2 | DNTH |
Dianthus Therapeutics, Inc. /DE/
|
24,600 | $2,398,008 | |
| 3 | RVMD |
Revolution Medicines, Inc.
|
2,846 | $532,998 | |
| 4 | DFTX |
Definium Therapeutics, Inc.
This page
|
6,563 | $308,723 | |
| 5 | GALT |
Galectin Therapeutics Inc
|
13,596 | $63,085 | |
| 6 | NMRA |
Neumora Therapeutics, Inc.
|
27,483 | $46,721 | |
| 7 | CMPX |
Compass Therapeutics, Inc.
|
14,496 | $31,746 |
All Filings in DFTX
Export CSV
2 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $4,384,128 | 93,200 | Call | Sole | 2026-08-14 | |
| 2026-06-30 | $308,723 | 6,563 | Shares | Sole | 2026-08-14 | |
| No filing history on record for this holder in this stock. | ||||||