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Walleye Trading LLC

Position in PEN — Penumbra Inc

CIK 1388391 NEW YORK, NY

Position in PEN

as of Jun 30, 2026 · filed Aug 3, 2026
Position Value
$0
-$197,022 QoQ
Shares Held
0
-100.0% QoQ
Ownership
0.000%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Sep 2021
20 quarters on record

Common Shares in PEN Over Time

Shares Held

Position Value (USD)

Derivatives in PEN

reported options exposure · as of Jun 30, 2026
CallValue
$11,619,600
CallShares
36,800
PutValue
$12,251,100
PutShares
38,800

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 Medical Devices

Healthcare · as of Jun 30, 2026

Walleye Trading LLC holds $21,407,800 across 13 Medical Devices names.

# Ticker Company Shares Value (USD) Open

All Filings in PEN

Export CSV
47 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $12,251,100 38,800
2026-06-30 $11,619,600 36,800
2026-03-31 $11,722,809 35,700
2026-03-31 $197,022 600
2026-03-31 $12,970,615 39,500
2025-12-31 $2,642,735 8,500
2025-12-31 $621,820 2,000
2025-12-31 $65,291 210
2025-09-30 $151,992 600
2025-09-30 $354,648 1,400
2025-09-30 $63,836 252
2025-06-30 $410,608 1,600
2025-06-30 $256,630 1,000
2025-06-30 $42,600 166
2025-03-31 $427,856 1,600
2025-03-31 $748,748 2,800
2024-12-31 $546,204 2,300
2024-12-31 $379,968 1,600
2024-09-30 $310,896 1,600
2024-09-30 $893,826 4,600
2024-06-30 $233,961 1,300
2024-06-30 $53,991 300
2024-06-30 $238,640 1,326
2024-03-31 $391,234 1,753
2024-03-31 $513,314 2,300
2024-03-31 $44,636 200
2023-12-31 $329,265 1,309
2023-12-31 $779,774 3,100
2023-12-31 $50,308 200
2023-09-30 $362,865 1,500
2023-09-30 $1,403,078 5,800
2023-09-30 $1,252,851 5,179
2023-06-30 $3,234,164 9,400
2023-06-30 $1,341,834 3,900
2023-03-31 $3,177,066 11,400
2023-03-31 $1,170,498 4,200
2022-12-31 $2,424,814 10,900
2022-12-31 $1,384,368 6,223
2022-12-31 $1,423,744 6,400
2022-09-30 $1,649,520 8,700
2022-09-30 $335,592 1,770
2022-06-30 $610,148 4,900
2022-03-31 $355,408 1,600
2021-12-31 $287,320 1,000
2021-09-30 $826,150 3,100
2021-09-30 $114,328 429
2021-09-30 $26,650 100