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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 230 of 447  ·  8,927 positions
# Ticker Company Sector Shares Value ↓ % Port Chg Shares Chg % Period Price ① Since Period ①
4581 SAN BANCO SANTANDER SA Financial Services 14,008.0 $158K — NEW — $11.28 +25.8%
4582 NBR NABORS INDUSTRIES LTD Energy 1,836.0 $158K — +2K +595.5% $86.06 -10.2%
4583 GPN GLOBAL PMTS INC Industrials 2,343.0 $158K — NEW — $67.30 +23.8%
4584 — PUT VANDA PHARMACEUTICALS INC — 22,800.0 $158K — -12K -33.5% $6.91 —
4585 — PUT ARK 21SHARES BITCOIN ETF — 7,000.0 $157K — -12K -62.6% $22.49 —
4586 DNTH DIANTHUS THERAPEUTICS INC Healthcare 1,875.0 $157K — -15K -89.2% $83.92 +3.9%
4587 — CALL ADAPTHEALTH CORP — 13,200.0 $157K — -46K -77.6% $11.90 —
4588 — PUT SCRIPPS E W CO OHIO — 42,200.0 $157K — +600.0 +1.4% $3.72 —
4589 — PUT FIRST BANCORP INC ME — 5,600.0 $157K — +200.0 +3.7% $28.03 —
4590 — CALL COGNEX CORP — 3,200.0 $157K — -72K -95.7% $48.99 —
4591 COAL EXCHANGE TRADED CONCEPTS TRU — 5,713.0 $157K — NEW — $27.44 -12.8%
4592 — CALL NANO LABS LTD — 52,800.0 $156K — — — $2.96 —
4593 — PUT MEDIAALPHA INC — 16,800.0 $156K — +12K +290.7% $9.30 —
4594 — CALL SKYWATER TECHNOLOGY INC — 5,700.0 $156K — -222K -97.5% $27.41 —
4595 — CALL ALIGHT INC — 268,100.0 $156K — -561K -67.7% $0.58 —
4596 — PUT COHU INC — 5,100.0 $156K — +300.0 +6.2% $30.62 —
4597 — PUT HUDSON PACIFIC PROPERTIES IN — 26,400.0 $156K — +1K +4.8% $5.91 —
4598 — CALL BANK HAWAII CORP — 2,100.0 $156K — -4K -63.8% $74.25 —
4599 OII OCEANEERING INTL INC Energy 4,394.0 $156K — +1K +35.7% $35.47 +24.7%
4600 — PUT INDIE SEMICONDUCTOR INC — 48,300.0 $156K — +20K +73.7% $3.22 —
Page 230 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%