13F value (AUM)
$170.6B
Simplex Trading
SIMPLEX TRADING, LLC
$170.6B
13F long value · 2026-Q2Positions9154
CategoryAsset Manager
Quarters tracked8
▲ #73 of 581 by 13F value
Size rank 9/10
14 NEW227 ADD517 2×+379 TRIM282 NEAR EXIT10 EXIT
Snapshot
Simplex Trading's 13F portfolio at a glance — size, concentration and this quarter's activity.
Positions
9154 (6629 unmapped)
Top 100 weight
80.6%
Quarters tracked
8
Latest 13F filed
Aug 12, 2026
New positions
14
Exits / near-exits
292
13F value by quarter
Total reported long value each quarter — fund flows plus market moves.
Top holdings — 2026-Q2
The fund's largest reported positions (PUT/CALL rows are option positions, reported separately). The 100 shown cover 80.6% of the portfolio.
| Ticker | Issuer | Weight | Value | Shares | Since 2026-Q2 |
|---|---|---|---|---|---|
| — PUT | STATE STR SPDR S&P 500 ETF T | 14.6% | $24.9B | 33.4M | — |
| — CALL | STATE STR SPDR S&P 500 ETF T | 9.9% | $17.0B | 22.7M | — |
| — PUT | INVESCO QQQ TR | 5.9% | $10.1B | 13.8M | — |
| — CALL | INVESCO QQQ TR | 4.7% | $8.0B | 10.9M | — |
| — PUT | ISHARES TR | 4.5% | $7.8B | 39.4M | — |
| — PUT | MICRON TECHNOLOGY INC | 2.1% | $3.6B | 3.1M | — |
| — CALL | NVIDIA CORPORATION | 2.1% | $3.5B | 17.5M | — |
| — CALL | ISHARES TR | 2.0% | $3.3B | 26.9M | — |
| — PUT | NVIDIA CORPORATION | 1.9% | $3.3B | 16.4M | — |
| — CALL | TESLA INC | 1.7% | $2.9B | 7.0M | — |
| — PUT | TESLA INC | 1.4% | $2.4B | 5.8M | — |
| — CALL | ALPHABET INC | 1.4% | $2.4B | 6.7M | — |
| — CALL | APPLE INC | 1.4% | $2.4B | 8.2M | — |
| — CALL | MICRON TECHNOLOGY INC | 1.3% | $2.2B | 1.9M | — |
| — CALL | META PLATFORMS INC | 1.2% | $2.0B | 3.6M | — |
Option positions — 2026-Q2
$89.0B across 3097 put positions vs $77.8B across 3324 call positions — put/call ratio 1.14. Values are notional — the market value of the shares the options reference.
| Type | Ticker | Issuer | Underlying shares | Notional value | % of 13F value |
|---|---|---|---|---|---|
| PUT | — | ZYMEWORKS INC | 495.1M | $89.0B | 52.2% |
| CALL | — | ZYMEWORKS INC | 658.1M | $77.8B | 45.6% |
Quarterly changes — 2026-Q2
What Simplex Trading opened, added, trimmed and exited this quarter, largest dollar moves first.
| Action | Ticker | Issuer | Prev shares | Curr shares | Change | Value Δ |
|---|---|---|---|---|---|---|
| 2×+ | IWM | ISHARES TR | 16.2K | 536.8K | +3207.7% | +$157.3M |
| 2×+ | TLT | ISHARES TR | 608.0K | 1.9M | +206.1% | +$108.1M |
| TRIM | META | META PLATFORMS INC | 229.9K | 60.3K | -73.8% | -$97.5M |
| TRIM | SPY | STATE STR SPDR S&P 500 ETF T | 202.8K | 53.5K | -73.6% | -$91.9M |
| TRIM | GLD | SPDR GOLD TR | 230.6K | 76.5K | -66.8% | -$71.1M |
| ADD | SOXX | ISHARES TR | 116.3K | 161.5K | +38.9% | +$65.3M |
| 2×+ | AAPL | APPLE INC | 39.8K | 259.5K | +552.4% | +$65.0M |
| TRIM | AMZN | AMAZON COM INC | 764.9K | 405.2K | -47.0% | -$62.7M |
| NEW | MU | MICRON TECHNOLOGY INC | — | 52.7K | — | +$60.8M |
| 2×+ | TSLA | TESLA INC | 20.2K | 150.7K | +646.7% | +$55.9M |
Conviction over time
Portfolio weight of the current top long holdings, quarter by quarter — rising weight = growing conviction.