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Portfolio (Quarterly) Guide ↗

SIMPLEX TRADING, LLC

· CIK 0001488542
13F Portfolio $149.1B AUM 10,161 positions Filed May 14, 2026 EDGAR ↗ ← All Funds
Q1 2026 Q4 2025 · All 2204 New 2617 Added 3899 Reduced 1620 Exited
Page 188 of 447  ·  8,927 positions
# Ticker Company Sector Shares Value ↓ % Port Chg Shares Chg % Period Price ① Since Period ①
3741 UCTT ULTRA CLEAN HLDGS INC Technology 5,210.0 $324K — +5K +7793.9% $62.18 +24.9%
3742 EZPW EZCORP INC Financial Services 12,760.0 $324K — -1K -8.3% $25.38 +22.8%
3743 — PUT PRECIGEN INC — 83,600.0 $324K — +62K +288.8% $3.87 —
3744 GTES GATES INDL CORP PLC Industrials 14,295.0 $323K — +14K +1813.7% $22.61 +18.8%
3745 — CALL DOMINOS PIZZA INC — 900.0 $323K — -6K -87.8% $358.79 —
3746 — PUT JAMES HARDIE INDS PLC — 17,000.0 $322K — +10K +161.5% $18.94 —
3747 — CALL MAGNITE INC — 27,100.0 $322K — -250K -90.2% $11.88 —
3748 — PUT VERICEL CORP — 10,000.0 $322K — — — $32.17 —
3749 FULC FULCRUM THERAPEUTICS INC Healthcare 41,940.0 $322K — +34K +423.3% $7.67 -51.2%
3750 — CALL INSPIRED ENTMT INC — 45,100.0 $322K — -2K -3.8% $7.13 —
3751 — PUT JOYY INC — 5,500.0 $321K — +1K +34.1% $58.39 —
3752 INDV INDIVIOR PHARMACEUTICALS INC Healthcare 10,533.0 $321K — NEW — $30.48 +17.5%
3753 ZSL PROSHARES TR II Financial Services 14,257.0 $321K — NEW — $22.51 +8.6%
3754 — CALL PRIVIA HEALTH GROUP INC — 15,600.0 $321K — +15K +1633.3% $20.57 —
3755 — PUT LANDSTAR SYS INC — 2,000.0 $321K — +600.0 +42.9% $160.31 —
3756 WCN WASTE CONNECTIONS INC Industrials 1,971.0 $320K — NEW — $162.44 -4.2%
3757 — PUT PIMCO ETF TR — 5,000.0 $320K — +500.0 +11.1% $64.01 —
3758 — CALL SELECT WATER SOLUTIONS INC — 20,900.0 $320K — +18K +703.9% $15.30 —
3759 — CALL ALUMIS INC — 14,500.0 $319K — -25K -63.4% $22.03 —
3760 — BIRKENSTOCK HOLDING PLC — 8,910.0 $319K — -40K -81.6% $35.83 —
Page 188 of 447  ·  8,927 positions

① 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 33.7%
Financial Services 16.1%
Consumer Cyclical 11.4%
Healthcare 10.4%
Communication Services 10.4%
Energy 4.5%
Industrials 4.4%
Basic Materials 4.2%
Consumer Defensive 2.4%
Utilities 1.4%