Skip to main content

Walleye Trading LLC

Position in DFTX — Definium Therapeutics, Inc.

CIK 1388391 NEW YORK, NY

Position in DFTX

as of Jun 30, 2026 · filed Aug 3, 2026
Position Value
$867,888
+$765,564 QoQ
Shares Held
18,450
+240.8% QoQ
Ownership
0.014%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#178
of 358 holders
Holding Since
Mar 2026
2 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in DFTX Over Time

Shares Held

Position Value (USD)

Derivatives in DFTX

reported options exposure · as of Jun 30, 2026
CallValue
$550,368
CallShares
11,700
PutValue
$122,304
PutShares
2,600

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, 2026

Walleye Trading LLC holds $28,211,005 across 28 Biotechnology names. DFTX ranks #9 (3.1% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in DFTX

Export CSV
6 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $550,368 11,700
2026-06-30 $867,888 18,450
2026-06-30 $122,304 2,600
2026-03-31 $102,324 5,414
2026-03-31 $103,950 5,500
2026-03-31 $58,590 3,100