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Walleye Trading LLC

Position in GFS — GLOBALFOUNDRIES Inc.

CIK 1388391 NEW YORK, NY

Position in GFS

as of Jun 30, 2026 · filed Aug 3, 2026
Position Value
$5,921,652
-$18,864,828 QoQ
Shares Held
71,856
-87.1% QoQ
Ownership
0.013%
of shares outstanding
% of Portfolio
0.09%
of 13F equity value
Holder Rank
#90
of 441 holders
Holding Since
Dec 2021
19 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in GFS Over Time

Shares Held

Position Value (USD)

Derivatives in GFS

reported options exposure · as of Jun 30, 2026
CallValue
$13,317,456
CallShares
161,600
PutValue
$10,630,890
PutShares
129,000

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 Semiconductors

Technology · as of Jun 30, 2026

Walleye Trading LLC holds $1,565,396,590 across 27 Semiconductors names. GFS ranks #13 (0.4% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in GFS

Export CSV
45 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $13,317,456 161,600
2026-06-30 $10,630,890 129,000
2026-06-30 $5,921,652 71,856
2026-03-31 $12,049,632 270,900
2026-03-31 $3,536,160 79,500
2026-03-31 $24,786,480 557,250
2025-12-31 $7,692,876 220,300
2025-12-31 $5,636,088 161,400
2025-12-31 $3,957,239 113,323
2025-09-30 $4,250,624 118,600
2025-09-30 $4,729,733 131,968
2025-09-30 $1,204,224 33,600
2025-06-30 $4,205,820 110,100
2025-06-30 $951,180 24,900
2025-06-30 $898,655 23,525
2025-03-31 $804,638 21,800
2025-03-31 $18,455 500
2024-12-31 $617,904 14,400
2024-12-31 $1,991,024 46,400
2024-09-30 $402,500 10,000
2024-09-30 $1,654,275 41,100
2024-06-30 $70,784 1,400
2024-06-30 $2,270,144 44,900
2024-03-31 $891,081 17,100
2024-03-31 $258,986 4,970
2024-03-31 $995,301 19,100
2023-12-31 $3,242,100 53,500
2023-12-31 $121,200 2,000
2023-09-30 $490,890 8,436
2023-09-30 $5,819 100
2023-09-30 $1,664,234 28,600
2023-06-30 $3,687,518 57,100
2023-06-30 $103,328 1,600
2023-03-31 $743,454 10,300
2023-03-31 $8,026,416 111,200
2022-12-31 $4,979,436 92,400
2022-12-31 $16,167 300
2022-09-30 $290,100 6,000
2022-09-30 $5,187,955 107,300
2022-06-30 $3,238,454 80,279
2022-06-30 $855,208 21,200
2022-06-30 $4,312,346 106,900
2022-03-31 $636,684 10,200
2021-12-31 $253,383 3,900
2021-12-31 $103,952 1,600