Simplex Trading Portfolio holdings
Simplex Trading, founded in 2004 and headquartered in Chicago, Illinois, is a technology-driven proprietary trading firm specializing in market-making and liquidity provision, primarily in U.S. equity options and futures options. Leveraging advanced proprietary software and data-driven analysis, the firm optimizes trading strategies and develops innovative solutions to capitalize on financial market opportunities, maintaining a competitive edge through automation and a collaborative team of technologists and traders. With a workforce exceeding 300 and led by CEO Erik Swanson since 2014, Simplex operates with a low-ego, high-intelligence culture, focusing on minimal bureaucracy and rapid execution, while also making strategic venture capital investments in fintech startups. Recognized as a top workplace in Chicago by Built In’s 2025 awards, Simplex continues to evolve, blending cutting-edge technology with a commitment to market efficiency and growth.
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
Apple
AAPL
|
+$286M |
| 2 |
Vanguard S&P 500 ETF
VOO
|
+$82.3M |
| 3 |
Alphabet (Google) Class A
GOOGL
|
+$72.6M |
| 4 |
Alphabet (Google) Class C
GOOG
|
+$64.2M |
| 5 |
Intel
INTC
|
+$52.9M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
State Street SPDR S&P 500 ETF Trust
SPY
|
+$51.5M |
| 2 |
iShares Silver Trust
SLV
|
+$41.8M |
| 3 |
Ford
F
|
+$26.3M |
| 4 |
United Airlines
UAL
|
+$22.7M |
| 5 |
ExxonMobil
XOM
|
+$22.3M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Miscellaneous | 97.48% |
| 2 | Technology | 0.84% |
| 3 | Consumer Discretionary | 0.32% |
| 4 | Communication Services | 0.32% |
| 5 | Financials | 0.28% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
401
CALL
Twilio
TWLO
$35.8B
| $27.2M | 0.03% |
324,300
+99,000
| +44% | +$11.1M |
|
402
PUT
Rio Tinto
RIO
$168B
| $27M | 0.03% |
442,600
+301,300
| +213% | +$21.6M |
|
403
CALL
Kraft Heinz
KHC
$29.5B
| $26.8M | 0.03% |
703,100
+335,900
| +91% | +$13.5M |
|
404
CALL
Lam Research
LRCX
$385B
| $26.8M | 0.03% |
628,000
+51,000
| +9% | +$2.43M |
|
405
CALL
Cameco
CCJ
$43.9B
| $26.7M | 0.03% |
1,268,100
+204,000
| +19% | +$5.15M |
|
406
PUT
Centene
CNC
$33.1B
| $26.4M | 0.03% |
311,800
+256,500
| +464% | +$21.3M |
|
407
PUT
Pinduoduo
PDD
$117B
| $26.3M | 0.03% |
425,400
-285,900
| -40% | -$13.4M |
|
408
PUT
EOG Resources
EOG
$76.2B
| $25.8M | 0.03% |
233,900
+3,900
| +2% | +$484K |
|
|
K
409
PUT
DELISTED
Kellanova
K
| $25.8M | 0.03% |
385,530
+206,610
| +115% | +$13.4M |
|
410
PUT
Hershey
HSY
$34.8B
| $25.7M | 0.03% |
119,600
+71,700
| +150% | +$15.6M |
|
411
CALL
Cleveland-Cliffs
CLF
$7.13B
| $25.6M | 0.03% |
1,666,800
-1,166,600
| -41% | -$27.9M |
|
412
PUT
Strategy Inc
MSTR
$56.7B
| $25.5M | 0.03% |
1,555,000
+889,000
| +133% | +$25.7M |
|
413
CALL
Simon Property Group
SPG
$67.8B
| $25.5M | 0.03% |
268,300
-67,200
| -20% | -$7.7M |
|
414
CALL
TJX Companies
TJX
$145B
| $25.3M | 0.03% |
452,900
+285,900
| +171% | +$17.3M |
|
415
Alibaba
BABA
$281B
| $25.2M | 0.03% |
221,307
+123,259
| +126% | +$12.1M |
|
|
SHNY
416
CALL
DELISTED
Direxion Daily Silver Miners Index Bull 2X Shares
SHNY
| $25.1M | 0.03% |
812,400
+91,900
| +13% | +$2.84M |
|
417
PUT
iPath Series B S&P 500 VIX Short-Term Futures ETN
VXX
$128M
| $25M | 0.03% |
67,819
-84,050
| -55% | -$33.2M |
|
418
PUT
Invesco S&P SmallCap Low Volatility ETF
XSLV
$253M
| $25M | 0.03% |
907,800
+41,800
| +5% | +$1.92M |
|
419
CALL
Nutrien
NTR
$37.9B
| $24.9M | 0.03% |
312,700
-29,800
| -9% | -$2.89M |
|
420
Morgan Stanley
MS
$342B
| $24.9M | 0.03% |
327,504
+236,567
| +260% | +$19.4M |
|
421
CALL
Estee Lauder
EL
$37.6B
| $24.9M | 0.03% |
97,800
+41,100
| +72% | +$10.4M |
|
422
CALL
Analog Devices
ADI
$176B
| $24.8M | 0.03% |
170,100
+63,600
| +60% | +$10M |
|
423
PUT
Cigna
CI
$74.7B
| $24.8M | 0.03% |
94,000
-34,700
| -27% | -$8.94M |
|
424
PUT
Vale
VALE
$65B
| $24.8M | 0.03% |
1,692,400
+492,100
| +41% | +$8.41M |
|
425
CALL
Etsy
ETSY
$7.02B
| $24.7M | 0.03% |
338,000
+46,200
| +16% | +$4.22M |
|
Similar funds
Simplex Trading's Q2 2022 Portfolio in Review
As of Q2 2022, Simplex Trading held 11,810 positions worth $94.1B, down 14% from $109B the previous quarter. Its ten largest holdings account for 40% of the portfolio.
Simplex Trading's Q2 2022 filing shows 1,404 new, 4,026 increased, 4,284 reduced and 1,790 closed positions. Its largest new stake was Alphabet (Google) Class C: 543,540 shares worth $59.4M. The largest sale was State Street SPDR S&P 500 ETF Trust, an estimated $51.5M.
By sector, the portfolio is most concentrated in Miscellaneous at 97% of assets, down from 98% a quarter earlier, followed by Technology and Consumer Discretionary.
- Simplex Trading's largest Q2 2022 buy was Alphabet (Google) Class C: 543,540 shares worth $59.4M.
- Simplex Trading added most to Apple in Q2 2022, an estimated $286M increase.
- Simplex Trading's biggest Q2 2022 reduction was United Airlines, cutting an estimated $22.7M.
- Simplex Trading fully exited State Street SPDR S&P 500 ETF Trust in Q2 2022, selling an estimated $51.5M.
- Simplex Trading's ten largest holdings make up 40% of its $94.1B portfolio in Q2 2022.
- Simplex Trading opened 1,404 new positions and closed 1,790 in Q2 2022.
- Simplex Trading's portfolio value fell 14% quarter-over-quarter to $94.1B.
Based on Simplex Trading's 13F filing for Q2 2022, filed 3 Aug 2022.