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 |
Microsoft
MSFT
|
+$114M |
| 2 |
NVIDIA
NVDA
|
+$85.9M |
| 3 |
Citigroup
C
|
+$61.5M |
| 4 |
Berkshire Hathaway Class B
BRK.B
|
+$45.5M |
| 5 |
Pfizer
PFE
|
+$41.6M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Apple
AAPL
|
+$467M |
| 2 |
Vanguard S&P 500 ETF
VOO
|
+$71.2M |
| 3 |
Meta Platforms (Facebook)
META
|
+$47.6M |
| 4 |
Intel
INTC
|
+$41.9M |
| 5 |
TSMC
TSM
|
+$35.9M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 0.51% |
| 2 | Financials | 0.35% |
| 3 | Consumer Discretionary | 0.3% |
| 4 | Healthcare | 0.25% |
| 5 | Industrials | 0.18% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
51
PUT
ExxonMobil
XOM
$629B
| $162M | 0.18% |
1,853,900
-1,068,500
| -37% | -$97.6M |
|
52
PUT
Home Depot
HD
$331B
| $161M | 0.18% |
583,900
+183,100
| +46% | +$54M |
|
53
PUT
Occidental Petroleum
OXY
$56.2B
| $161M | 0.18% |
2,619,000
+545,700
| +26% | +$34.9M |
|
54
CALL
Costco
COST
$412B
| $160M | 0.18% |
338,700
+92,000
| +37% | +$47.9M |
|
55
CALL
Broadcom
AVGO
$1.84T
| $159M | 0.18% |
3,591,000
+1,551,000
| +76% | +$79.2M |
|
56
CALL
iShares Silver Trust
SLV
$28.4B
| $159M | 0.18% |
9,109,100
+426,900
| +5% | +$7.57M |
|
57
CALL
State Street SPDR NYSE Technology ETF
XNTK
$2.16B
| $157M | 0.18% |
2,461,600
-929,700
| -27% | -$101M |
|
58
CALL
iShares Morningstar Value ETF
ILCV
$1.3B
| $155M | 0.18% |
3,021,200
-975,100
| -24% | -$60.8M |
|
59
PUT
Bank of America
BAC
$430B
| $153M | 0.17% |
5,064,000
-547,600
| -10% | -$18.3M |
|
|
60
PUT
Broadcom
AVGO
$1.84T
| $153M | 0.17% |
3,435,000
+1,353,000
| +65% | +$69.1M |
|
61
PUT
iShares MSCI Australia ETF
EWA
$1.34B
| $151M | 0.17% |
5,157,600
+691,700
| +15% | +$15M |
|
62
PUT
State Street SPDR Portfolio Short Term Treasury ETF
SPTS
$6.07B
| $149M | 0.17% |
1,259,800
-170,100
| -12% | -$4.98M |
|
63
CALL
Visa
V
$677B
| $149M | 0.17% |
837,800
+164,600
| +24% | +$33.5M |
|
64
CALL
Adobe
ADBE
$90.3B
| $144M | 0.16% |
524,300
+115,300
| +28% | +$43.6M |
|
|
65
PUT
Costco
COST
$412B
| $144M | 0.16% |
304,600
+86,400
| +40% | +$44.9M |
|
|
66
CALL
Occidental Petroleum
OXY
$56.2B
| $141M | 0.16% |
2,288,500
+342,400
| +18% | +$21.9M |
|
67
PUT
UnitedHealth
UNH
$396B
| $139M | 0.16% |
275,700
+46,500
| +20% | +$24.5M |
|
68
CALL
Procter & Gamble
PG
$345B
| $138M | 0.16% |
1,095,500
+220,400
| +25% | +$31.3M |
|
69
CALL
Walmart Inc
WMT
$878B
| $136M | 0.15% |
3,145,500
-1,341,900
| -30% | -$58.8M |
|
70
PUT
Texas Instruments
TXN
$265B
| $130M | 0.15% |
840,800
+436,500
| +108% | +$73.2M |
|
71
CALL
Nike
NKE
$63.7B
| $130M | 0.15% |
1,565,100
-119,400
| -7% | -$12.9M |
|
72
PUT
Goldman Sachs
GS
$320B
| $130M | 0.15% |
442,200
+23,300
| +6% | +$7.55M |
|
|
KFYP
73
CALL
DELISTED
KraneShares CICC China Leaders 100 Index ETF
KFYP
| $129M | 0.15% |
5,223,700
-212,200
| -4% | -$5.27M |
|
|
74
PUT
TSMC
TSM
$2.2T
| $126M | 0.14% |
1,842,300
+484,900
| +36% | +$40.1M |
|
75
CALL
Coca-Cola
KO
$353B
| $126M | 0.14% |
2,241,500
+890,100
| +66% | +$55.3M |
|
Similar funds
Simplex Trading's Q3 2022 Portfolio in Review
As of Q3 2022, Simplex Trading held 11,570 positions worth $88.5B, down 6% from $94.1B the previous quarter. Its ten largest holdings account for 38% of the portfolio.
Simplex Trading's Q3 2022 filing shows 1,564 new, 4,281 increased, 3,851 reduced and 1,575 closed positions. Its largest new stake was Microsoft: 432,062 shares worth $101M. The largest sale was Apple, an estimated $467M.
By sector, the portfolio is most concentrated in Technology at 0.51% of assets, down from 0.84% a quarter earlier, followed by Financials and Consumer Discretionary.
- Simplex Trading's largest Q3 2022 buy was Microsoft: 432,062 shares worth $101M.
- Simplex Trading added most to NVIDIA in Q3 2022, an estimated $85.9M increase.
- Simplex Trading's biggest Q3 2022 reduction was Apple, cutting an estimated $467M.
- Simplex Trading fully exited iShares Core S&P 500 ETF in Q3 2022, selling an estimated $34.3M.
- Simplex Trading's ten largest holdings make up 38% of its $88.5B portfolio in Q3 2022.
- Simplex Trading opened 1,564 new positions and closed 1,575 in Q3 2022.
- Simplex Trading's portfolio value fell 6% quarter-over-quarter to $88.5B.
Based on Simplex Trading's 13F filing for Q3 2022, filed 4 Nov 2022.