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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 269 of 447  ·  8,927 positions
# Ticker Company Sector Shares Value ↓ % Port Chg Shares Chg % Period Price ① Since Period ①
5361 MSB MESABI TR Financial Services 2,483.0 $78K — NEW — $31.50 -36.6%
5362 CAKE CHEESECAKE FACTORY INC Consumer Cyclical 1,427.0 $78K — -14K -90.7% $54.75 +92.1%
5363 — PUT TURNING PT BRANDS INC — 900.0 $78K — -200.0 -18.2% $86.79 —
5364 — CALL VITESSE ENERGY INC — 4,300.0 $78K — -3K -40.3% $18.16 —
5365 — PUT OMADA HEALTH INC — 6,200.0 $78K — +6K +785.7% $12.57 —
5366 CVSA COVISTA INC Consumer Cyclical 676.0 $78K — +595.0 +734.6% $115.25 +2.0%
5367 — CALL CBIZ INC — 2,900.0 $78K — +2K +222.2% $26.85 —
5368 FINV FINVOLUTION GROUP Financial Services 16,251.0 $78K — NEW — $4.79 -35.9%
5369 — CALL BRIXMOR PPTY GROUP INC — 2,700.0 $78K — +2K +575.0% $28.80 —
5370 — PUT SPERO THERAPEUTICS INC — 33,200.0 $78K — +15K +80.4% $2.34 —
5371 UDMY UDEMY INC Consumer Defensive 16,797.0 $78K — +1K +9.3% $4.62 +0.2%
5372 — CALL XOMETRY INC — 1,900.0 $78K — +500.0 +35.7% $40.84 —
5373 — CALL C4 THERAPEUTICS INC — 29,500.0 $78K — +24K +400.0% $2.63 —
5374 — CALL PINNACLE FINL PARTNERS INC — 900.0 $78K — NEW — $86.14 —
5375 RGTZ TIDAL TRUST II — 2,858.0 $78K — NEW — $27.12 -44.6%
5376 — CALL CLIMB BIO INC — 11,300.0 $77K — NEW — $6.85 —
5377 BETA BETA TECHNOLOGIES INC Industrials 5,260.0 $77K — +4K +334.4% $14.70 +55.6%
5378 — PUT OLIN CORP — 2,600.0 $77K — -4K -62.9% $29.73 —
5379 — PUT INVESCO CURRENCYSHARES SWISS — 700.0 $77K — NEW — $110.41 —
5380 — CALL PRAIRIE OPER CO — 38,000.0 $77K — +5K +13.8% $2.03 —
Page 269 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%