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Walleye Trading LLC

Position in BFLY — Butterfly Network, Inc.

CIK 1388391 NEW YORK, NY

Position in BFLY

as of Jun 30, 2026 · filed Aug 3, 2026
Position Value
$717,333
+$704,482 QoQ
Shares Held
85,194
+2578.2% QoQ
Ownership
0.032%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#99
of 243 holders
Holding Since
Dec 2021
14 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in BFLY Over Time

Shares Held

Position Value (USD)

Derivatives in BFLY

reported options exposure · as of Jun 30, 2026
CallValue
$38,732
CallShares
4,600
PutValue
$219,762
PutShares
26,100

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 Medical Devices

Healthcare · as of Jun 30, 2026

Walleye Trading LLC holds $21,407,800 across 13 Medical Devices names. BFLY ranks #6 (3.4% of the industry book) .

# Ticker Company Shares Value (USD) Open
6 BFLY
Butterfly Network, Inc.
This page
85,194 $717,333

All Filings in BFLY

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29 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $38,732 4,600
2026-06-30 $717,333 85,194
2026-06-30 $219,762 26,100
2026-03-31 $53,328 13,200
2026-03-31 $12,851 3,181
2025-12-31 $88,160 23,200
2025-12-31 $23,366 6,149
2025-12-31 $50,160 13,200
2025-06-30 $26,400 13,200
2025-06-30 $2,984 1,492
2025-03-31 $34,200 15,000
2025-03-31 $3,192 1,400
2024-06-30 $8,410 10,000
2024-03-31 $27,108 25,100
2023-12-31 $59,940 55,500
2023-09-30 $77,998 66,100
2023-09-30 $13,420 11,373
2023-06-30 $71,070 30,900
2023-03-31 $19,740 10,500
2023-03-31 $56,400 30,000
2023-03-31 $51,128 27,196
2022-12-31 $141,464 57,506
2022-12-31 $243,048 98,800
2022-09-30 $511,360 108,800
2022-09-30 $1,410 300
2022-09-30 $256,934 54,667
2021-12-31 $43,324 6,476
2021-12-31 $4,683 700
2021-12-31 $262,917 39,300