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 | |
|---|---|---|---|---|---|---|
576
PUT
Domino's
DPZ
$10.7B
| $16.8M | 0.02% |
43,000
+20,300
| +89% | +$7.51M |
|
577
CALL
Darden Restaurants
DRI
$22.2B
| $16.7M | 0.02% |
147,800
+77,200
| +109% | +$9.64M |
|
578
CALL
Prologis
PLD
$135B
| $16.7M | 0.02% |
142,100
+24,800
| +21% | +$3.43M |
|
579
CALL
AGNC Investment
AGNC
$12.3B
| $16.7M | 0.02% |
1,510,200
+845,200
| +127% | +$10M |
|
580
BP
BP
$113B
| $16.7M | 0.02% |
589,274
+192,681
| +49% | +$5.9M |
|
581
PUT
Unity
U
$12.6B
| $16.6M | 0.02% |
450,700
+41,400
| +10% | +$2.35M |
|
582
CALL
Tyson Foods
TSN
$20B
| $16.6M | 0.02% |
192,500
-30,300
| -14% | -$2.71M |
|
583
PUT
Global Payments
GPN
$21.3B
| $16.6M | 0.02% |
149,600
-12,900
| -8% | -$1.63M |
|
584
CALL
AutoZone
AZO
$47.7B
| $16.5M | 0.02% |
7,700
+1,800
| +31% | +$3.7M |
|
585
CALL
Hilton Worldwide
HLT
$72.9B
| $16.5M | 0.02% |
148,400
-43,600
| -23% | -$6.03M |
|
586
CALL
HP
HPQ
$22.4B
| $16.5M | 0.02% |
504,000
+280,800
| +126% | +$10.3M |
|
587
PUT
NXP Semiconductors
NXPI
$70B
| $16.5M | 0.02% |
111,600
+12,100
| +12% | +$2.1M |
|
588
CALL
EQT Corp
EQT
$33.4B
| $16.5M | 0.02% |
479,400
+289,600
| +153% | +$11.9M |
|
589
PUT
Atlassian
TEAM
$20.3B
| $16.5M | 0.02% |
87,900
-28,400
| -24% | -$6.06M |
|
590
CALL
Chewy
CHWY
$8.38B
| $16.5M | 0.02% |
474,400
-117,700
| -20% | -$3.77M |
|
591
CALL
Restaurant Brands International
QSR
$25.1B
| $16.5M | 0.02% |
328,100
+232,100
| +242% | +$12.4M |
|
|
ZEN
592
PUT
DELISTED
ZENDESK INC
ZEN
| $16.4M | 0.02% |
221,900
+56,600
| +34% | +$5.58M |
|
593
CALL
Match Group
MTCH
$8.72B
| $16.4M | 0.02% |
235,400
-52,100
| -18% | -$4.22M |
|
594
CALL
Mondelez International
MDLZ
$77.1B
| $16.3M | 0.02% |
263,100
+139,500
| +113% | +$8.81M |
|
595
CALL
Invesco DB Base Metals Fund
DBB
$306M
| $16.3M | 0.02% |
805,100
-113,800
| -12% | -$2.64M |
|
596
State Street Energy Select Sector SPDR ETF
XLE
$39.3B
| $16.3M | 0.02% |
455,050
+410,070
| +912% | +$16.5M |
|
597
Verizon
VZ
$183B
| $16.2M | 0.02% |
319,952
+309,730
| +3,030% | +$15.7M |
|
598
FedEx
FDX
$74.7B
| $16.2M | 0.02% |
71,582
+55,136
| +335% | +$11.8M |
|
599
PUT
ZIM Integrated Shipping Services
ZIM
$3.08B
| $16.2M | 0.02% |
343,100
+61,300
| +22% | +$3.6M |
|
600
CALL
Agnico Eagle Mines
AEM
$72.3B
| $16.2M | 0.02% |
353,700
+38,900
| +12% | +$2.16M |
|
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.