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 | Technology | 0.84% |
| 2 | Communication Services | 0.32% |
| 3 | Consumer Discretionary | 0.32% |
| 4 | Financials | 0.28% |
| 5 | Healthcare | 0.2% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
551
CALL
GSK
GSK
$102B
| $18M | 0.02% |
331,440
+70,720
| +27% | +$3.9M |
|
552
PUT
Charter Communications
CHTR
$15.6B
| $18M | 0.02% |
38,400
-67,900
| -64% | -$33.1M |
|
553
CALL
RH
RH
$3.14B
| $18M | 0.02% |
84,600
+9,900
| +13% | +$2.94M |
|
554
Target
TGT
$61.1B
| $17.9M | 0.02% |
127,027
+36,433
| +40% | +$6.99M |
|
|
HES
555
PUT
DELISTED
Hess
HES
| $17.9M | 0.02% |
168,900
+38,700
| +30% | +$4.38M |
|
556
PUT
Entegris
ENTG
$20.6B
| $17.9M | 0.02% |
194,000
+190,300
| +5,143% | +$20.6M |
|
557
CALL
Strategy Inc
MSTR
$34.2B
| $17.8M | 0.02% |
1,082,000
+289,000
| +36% | +$8.36M |
|
558
CALL
Affirm
AFRM
$23.8B
| $17.7M | 0.02% |
982,500
-249,300
| -20% | -$6.78M |
|
559
CALL
DraftKings
DKNG
$11.3B
| $17.7M | 0.02% |
1,515,900
-305,200
| -17% | -$4.3M |
|
560
PUT
Shell
SHEL
$243B
| $17.7M | 0.02% |
338,100
-117,800
| -26% | -$6.62M |
|
|
PXD
561
CALL
DELISTED
Pioneer Natural Resource Co.
PXD
| $17.7M | 0.02% |
79,200
-4,700
| -6% | -$1.19M |
|
562
CALL
Fidelity National Information Services
FIS
$20.7B
| $17.6M | 0.02% |
191,900
+57,200
| +42% | +$5.68M |
|
563
CALL
PNC Financial Services
PNC
$99.5B
| $17.5M | 0.02% |
111,200
+13,200
| +13% | +$2.21M |
|
564
CALL
iPath Series B S&P 500 VIX Short-Term Futures ETN
VXX
$163M
| $17.3M | 0.02% |
46,881
-42,725
| -48% | -$16.9M |
|
565
PUT
Invesco CurrencyShares Euro Currency Trust
FXE
$331M
| $17.3M | 0.02% |
178,400
-68,700
| -28% | -$6.77M |
|
566
Starbucks
SBUX
$118B
| $17.2M | 0.02% |
225,583
+102,819
| +84% | +$7.9M |
|
567
CALL
Archer Daniels Midland
ADM
$41.6B
| $17.2M | 0.02% |
221,400
-64,500
| -23% | -$5.64M |
|
568
CALL
SAP
SAP
$171B
| $17M | 0.02% |
187,800
-7,000
| -4% | -$699K |
|
569
PUT
Nutrien
NTR
$32.9B
| $17M | 0.02% |
213,500
+98,300
| +85% | +$9.54M |
|
570
PUT
EQT Corp
EQT
$33.4B
| $17M | 0.02% |
494,500
+19,600
| +4% | +$808K |
|
571
PUT
Abbott
ABT
$175B
| $17M | 0.02% |
156,500
-124,600
| -44% | -$14.2M |
|
572
CALL
Enbridge
ENB
$123B
| $16.9M | 0.02% |
401,100
+119,600
| +42% | +$5.34M |
|
573
PUT
HCA Healthcare
HCA
$83.5B
| $16.9M | 0.02% |
100,300
+55,200
| +122% | +$11.9M |
|
574
CALL
Novartis
NVS
$297B
| $16.8M | 0.02% |
198,300
+19,300
| +11% | +$1.69M |
|
575
CALL
APA Corp
APA
$12.9B
| $16.8M | 0.02% |
480,200
-66,500
| -12% | -$2.83M |
|
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 deployed $11.3B of net new capital in Q2 2022, opening 1,405 new positions and adding to 4,027 existing holdings. Its largest new stake was Alphabet (Google) Class C: 543,540 shares worth $59.4M.
By sector, the portfolio is most concentrated in Technology at 0.84% of assets, up from 0.67% a quarter earlier, followed by Communication Services and Consumer Discretionary.
On the sell side, the largest reduction was United Airlines, an estimated $22.7M trimmed.
- 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 1,405 new positions and closed 1,792 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.