How many stocks does SIMPLEX TRADING, LLC own?

As of Q3 2025, SIMPLEX TRADING, LLC holds 9,236 positions in their 13F portfolio.

What is SIMPLEX TRADING, LLC's largest holding?

STATE STR SPDR S&P 500 ETF T at 16.0% of portfolio, worth $31.1B.

What is SIMPLEX TRADING, LLC's total portfolio value?

$194.9B as of Q3 2025, tracked across 9,236 holdings.

Is SIMPLEX TRADING, LLC a hedge fund?

SIMPLEX TRADING, LLC is an institutional investment manager required to file SEC 13F reports. This includes hedge funds, mutual funds, pension funds, and other institutions managing over $100M.

How often does SIMPLEX TRADING, LLC report?

13F filings are due quarterly, approximately 45 days after each quarter end.

How has SIMPLEX TRADING, LLC's portfolio changed in Q3 2025?

View SIMPLEX TRADING, LLC's latest portfolio changes, new positions, and exits for Q3 2025 on HoldingsIntel.

What is SIMPLEX TRADING, LLC's investment strategy?

SIMPLEX TRADING, LLC is classified as a Diversified Scout fund based on HoldingsIntel's Fund DNA analysis of 6 behavioral dimensions.

SIMPLEX TRADING, LLC Q3 2025 13F Filing - 2620 Positions, $4.5B AUM

Q3 2025 Summary

Active quarter - 996 new positions, 804 exits, 890 increased. No standout high-conviction moves this quarter. Portfolio: $194.9B across 9236 positions.

Position Outcomes

Best and worst performing positions by estimated return

Top Winners

BPPTU5Q held

BP PRUDHOE BAY RTY TR

Avg $0.01 · $509 est. P&L

Est. P&L

+2200.00%

CELC2Q held

CELCUITY INC

Avg $12.54 · $452,256 est. P&L

Est. P&L

+997.93%

IMUX7Q held

IMMUNIC INC

Avg $1.11 · $48,090 est. P&L

Est. P&L

+990.15%

Top Losers

Upgrade to Pro to see the worst-performing positions.

View plans

Cost basis estimates based on full filing history using quarter-end prices. Actual transaction prices are not disclosed in 13F filings.

Holdings9,236 positions

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Activity:

Stock	Shares	Value	Weight	Price Trend	Avg Buy	Est. P&L	Held	Conviction
??STATE STR SPDR S&P 500 ETF T PUT	46.7M	$31.1B	16.0%	—	—	—	—	Decreased —
??STATE STR SPDR S&P 500 ETF T CALL Delisted	18.4M	$12.2B	6.3%	—	—	—	—	Decreased —
??INVESCO QQQ TR PUT	19M	$10.9B	5.6%	—	—	—	—	Increased —
??ISHARES TR PUT Delisted	39M	$6B	3.1%	—	—	—	—	Increased —
??TESLA INC PUT Delisted	12.5M	$5.4B	2.8%	—	—	—	—	Decreased —
??NVIDIA CORPORATION PUT	27.5M	$5.1B	2.6%	—	—	—	—	Decreased —
??TESLA INC CALL	11.4M	$5.1B	2.6%	—	—	—	—	Decreased —
??INVESCO QQQ TR CALL	8M	$4.8B	2.5%	—	—	—	—	Increased —
??NVIDIA CORPORATION CALL	25.9M	$4.8B	2.5%	—	—	—	—	Decreased —
??ISHARES TR CALL Delisted	29.4M	$3.6B	1.8%	—	—	—	—	Increased —
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