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Portfolio (Quarterly) Guide ↗

Walleye Trading LLC

· CIK 0001388391
13F Portfolio $60.0B AUM 4,047 positions Filed May 11, 2026 EDGAR ↗ ← All Funds
Q1 2026 Q4 2025 · All 606 New 1250 Added 2118 Reduced 807 Exited
Page 203 of 203  ·  4,047 positions
# Ticker Company Sector Shares Value ↓ % Port Chg Shares Chg % Period Price ① Since Period ①
4041 QSI QUANTUM SI INC Healthcare 448.0 $347.0 NEW $0.77 +29.0%
4042 KATAPULT HOLDINGS INC 49,390.0 $114.0 $0.00
4043 CALL BERKSHIRE HATHAWAY INC DEL 387,000.0 -170K -30.5%
4044 PUT BERKSHIRE HATHAWAY INC DEL 157,200.0 -85K -35.0%
4045 CALL BROWN FORMAN CORP 28,500.0 -54K -65.4%
4046 PUT BROWN FORMAN CORP 79,800.0 +45K +131.3%
4047 WAT CALL WATERS CORP Healthcare NEW
Page 203 of 203  ·  4,047 positions

Period Price is the implied market price on the last day of the reporting period, calculated as reported value ÷ shares held. It is not the fund's purchase price or cost basis — the fund may have initiated or added to the position at any point during the quarter at a different price. Since Period shows the price change from that quarter-end snapshot to today's last price — it reflects stock movement after the report date, not the fund's actual return.

Sector Allocation
Technology 28.8%
Consumer Cyclical 13.8%
Financial Services 13.8%
Communication Services 12.4%
Healthcare 11.1%
Industrials 7.2%
Basic Materials 4.6%
Energy 4.1%
Consumer Defensive 2.1%
Utilities 1.5%