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
|
+$179M |
| 2 |
iShares 20+ Year Treasury Bond ETF
TLT
|
+$90.1M |
| 3 |
State Street SPDR S&P 500 ETF Trust
SPY
|
+$56M |
| 4 |
iShares Silver Trust
SLV
|
+$41.7M |
| 5 |
Advanced Micro Devices
AMD
|
+$39.8M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
State Street Financial Select Sector SPDR ETF
XLF
|
+$42.8M |
| 2 |
Verizon
VZ
|
+$42.5M |
| 3 |
Occidental Petroleum
OXY
|
+$34.7M |
| 4 |
iShares China Large-Cap ETF
FXI
|
+$33M |
| 5 |
Direxion Daily S&P 500 Bull 3x ETF
SPXL
|
+$32.7M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 0.67% |
| 2 | Consumer Discretionary | 0.37% |
| 3 | Industrials | 0.24% |
| 4 | Healthcare | 0.22% |
| 5 | Financials | 0.19% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
976
PUT
AerCap
AER
$23.4B
| $7.72M | 0.01% |
153,500
+115,500
| +304% | +$6.92M |
|
977
CALL
Five Below
FIVE
$11.1B
| $7.71M | 0.01% |
48,700
+14,600
| +43% | +$2.44M |
|
978
CALL
International Paper
IP
$20.1B
| $7.7M | 0.01% |
178,800
+73,000
| +69% | +$3.36M |
|
979
PUT
HealthEquity
HQY
$7.89B
| $7.7M | 0.01% |
114,200
+100,400
| +728% | +$5.42M |
|
980
CALL
Danaher
DHR
$135B
| $7.68M | 0.01% |
29,554
-40,608
| -58% | -$10.2M |
|
981
CALL
Gartner
IT
$8.95B
| $7.64M | 0.01% |
25,700
+23,300
| +971% | +$6.75M |
|
982
CALL
Invesco Aerospace & Defense ETF
PPA
$8.22B
| $7.63M | 0.01% |
79,500
-14,100
| -15% | -$1.04M |
|
983
CALL
Teradyne
TER
$58.5B
| $7.58M | 0.01% |
64,100
+16,900
| +36% | +$2.14M |
|
984
CALL
Baxter International
BAX
$11.2B
| $7.58M | 0.01% |
97,700
+75,400
| +338% | +$6.31M |
|
985
PUT
Avis
CAR
$5.62B
| $7.56M | 0.01% |
28,700
-91,300
| -76% | -$18.4M |
|
986
PUT
Sabre
SABR
$668M
| $7.55M | 0.01% |
660,800
-73,700
| -10% | -$722K |
|
987
PUT
Invitation Homes
INVH
$17.5B
| $7.55M | 0.01% |
187,900
+163,900
| +683% | +$6.71M |
|
988
PUT
Kohl's
KSS
$2.06B
| $7.53M | 0.01% |
124,600
-172,100
| -58% | -$9.72M |
|
989
PUT
Hasbro
HAS
$12.4B
| $7.53M | 0.01% |
91,900
+28,700
| +45% | +$2.69M |
|
990
PUT
Digital Realty Trust
DLR
$66.4B
| $7.51M | 0.01% |
53,000
-33,800
| -39% | -$4.88M |
|
991
CALL
PG&E
PCG
$38.6B
| $7.5M | 0.01% |
628,500
-114,200
| -15% | -$1.35M |
|
992
PUT
Tenet Healthcare
THC
$17.1B
| $7.5M | 0.01% |
87,300
+29,300
| +51% | +$2.41M |
|
993
CALL
Blackstone Mortgage Trust
BXMT
$2.78B
| $7.48M | 0.01% |
235,300
+49,900
| +27% | +$1.57M |
|
994
CALL
Cenovus Energy
CVE
$55.4B
| $7.48M | 0.01% |
448,500
-282,100
| -39% | -$4.28M |
|
995
CALL
Gray Television
GTN
$400M
| $7.47M | 0.01% |
338,500
+329,400
| +3,620% | +$7.27M |
|
996
CALL
Wayfair
W
$10.9B
| $7.47M | 0.01% |
67,400
-52,400
| -44% | -$7.38M |
|
997
CALL
ArcelorMittal
MT
$49.9B
| $7.45M | 0.01% |
232,800
-577,100
| -71% | -$18.5M |
|
998
PUT
Planet Fitness
PLNT
$4.29B
| $7.43M | 0.01% |
88,000
+64,200
| +270% | +$5.57M |
|
|
GAP
999
PUT
The Gap Inc
GAP
$6.8B
| $7.43M | 0.01% |
527,800
-98,900
| -16% | -$1.58M |
|
1000
PUT
Wheaton Precious Metals
WPM
$50B
| $7.42M | 0.01% |
156,000
+41,000
| +36% | +$1.78M |
|
Similar funds
Simplex Trading's Q1 2022 Portfolio in Review
As of Q1 2022, Simplex Trading held 12,038 positions worth $109B, up 10% from $99B the previous quarter. Its ten largest holdings account for 37% of the portfolio.
Simplex Trading deployed $17.5B of net new capital in Q1 2022, opening 1,603 new positions and adding to 4,441 existing holdings. Its largest new stake was iShares 20+ Year Treasury Bond ETF: 652,921 shares worth $86.2M.
By sector, the portfolio is most concentrated in Technology at 0.67% of assets, up from 0.61% a quarter earlier, followed by Consumer Discretionary and Industrials.
On the sell side, the largest reduction was Verizon, an estimated $42.5M trimmed.
- Simplex Trading's largest Q1 2022 buy was iShares 20+ Year Treasury Bond ETF: 652,921 shares worth $86.2M.
- Simplex Trading added most to Apple in Q1 2022, an estimated $179M increase.
- Simplex Trading's biggest Q1 2022 reduction was Verizon, cutting an estimated $42.5M.
- Simplex Trading fully exited State Street Financial Select Sector SPDR ETF in Q1 2022, selling an estimated $42.8M.
- Simplex Trading's ten largest holdings make up 37% of its $109B portfolio in Q1 2022.
- Simplex Trading opened 1,603 new positions and closed 1,637 in Q1 2022.
- Simplex Trading's portfolio value rose 10% quarter-over-quarter to $109B.
Based on Simplex Trading's 13F filing for Q1 2022, filed 2 May 2022.