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 | Miscellaneous | 97.72% |
| 2 | Technology | 0.67% |
| 3 | Consumer Discretionary | 0.38% |
| 4 | Industrials | 0.24% |
| 5 | Healthcare | 0.22% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
1376
CALL
Progressive
PGR
$127B
| $4.33M | ﹤0.01% |
38,000
-36,000
| -49% | -$3.89M |
|
1377
State Street Consumer Staples Select Sector SPDR ETF
XLP
$14.5B
| $4.33M | ﹤0.01% |
+57,061
| New | +$4.3M |
|
1378
PUT
Toyota
TM
$233B
| $4.33M | ﹤0.01% |
24,000
+6,500
| +37% | +$1.22M |
|
1379
CALL
Editas Medicine
EDIT
$496M
| $4.33M | ﹤0.01% |
227,400
+154,300
| +211% | +$2.87M |
|
|
ZNGA
1380
CALL
DELISTED
ZYNGA INC. CL A COMMON
ZNGA
| $4.33M | ﹤0.01% |
468,100
-1,341,200
| -74% | -$11.8M |
|
1381
CALL
Royal Gold
RGLD
$22.2B
| $4.32M | ﹤0.01% |
30,600
-18,400
| -38% | -$2.15M |
|
1382
CALL
Vanguard Emerging Markets Government Bond ETF
VWOB
$6.35B
| $4.32M | ﹤0.01% |
38,600
+20,000
| +108% | +$1.45M |
|
1383
CALL
Shake Shack
SHAK
$2.8B
| $4.32M | ﹤0.01% |
63,600
-37,200
| -37% | -$2.56M |
|
1384
PUT
Carlyle Group
CG
$16.7B
| $4.31M | ﹤0.01% |
88,200
+82,200
| +1,370% | +$3.93M |
|
1385
CALL
Sysco
SYY
$38.4B
| $4.3M | ﹤0.01% |
52,700
+300
| +0.6% | +$24.2K |
|
1386
CALL
Oneok
OKE
$60.2B
| $4.3M | ﹤0.01% |
60,900
-61,400
| -50% | -$3.93M |
|
1387
Match Group
MTCH
$9.61B
| $4.29M | ﹤0.01% |
+39,428
| New | +$4.35M |
|
1388
PUT
CryoPort
CYRX
$801M
| $4.28M | ﹤0.01% |
122,600
+91,400
| +293% | +$3.46M |
|
1389
CALL
Markel Group
MKL
$22.6B
| $4.28M | ﹤0.01% |
2,900
+2,000
| +222% | +$2.58M |
|
|
CTRA
1390
PUT
DELISTED
Coterra Energy
CTRA
| $4.28M | ﹤0.01% |
158,600
-60,900
| -28% | -$1.42M |
|
1391
PUT
Corning
GLW
$133B
| $4.27M | ﹤0.01% |
115,600
+12,800
| +12% | +$499K |
|
1392
PUT
RingCentral
RNG
$6.13B
| $4.27M | ﹤0.01% |
36,400
-19,100
| -34% | -$2.81M |
|
1393
CALL
C3.ai
AI
$1.67B
| $4.26M | ﹤0.01% |
187,900
+109,100
| +138% | +$2.63M |
|
|
SI
1394
CALL
DELISTED
Silvergate Capital Corporation
SI
| $4.26M | ﹤0.01% |
28,300
-5,700
| -17% | -$705K |
|
1395
PUT
ProShares Ultra S&P500
SSO
$9.11B
| $4.25M | ﹤0.01% |
141,200
-763,200
| -84% | -$24.4M |
|
1396
CALL
CleanSpark
CLSK
$3.26B
| $4.24M | ﹤0.01% |
343,100
+190,000
| +124% | +$1.76M |
|
1397
CALL
Capri Holdings
CPRI
$1.54B
| $4.24M | ﹤0.01% |
82,600
+20,800
| +34% | +$1.25M |
|
1398
PUT
Masco
MAS
$14.3B
| $4.24M | ﹤0.01% |
83,200
+81,300
| +4,279% | +$4.83M |
|
|
FL
1399
DELISTED
Foot Locker
FL
| $4.24M | ﹤0.01% |
142,887
+100,068
| +234% | +$3.83M |
|
|
MTTR
1400
CALL
DELISTED
Matterport, Inc. Class A Common Stock
MTTR
| $4.24M | ﹤0.01% |
521,800
+222,100
| +74% | +$2.1M |
|
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's Q1 2022 filing shows 1,600 new, 4,440 increased, 4,085 reduced and 1,638 closed positions. Its largest new stake was iShares 20+ Year Treasury Bond ETF: 652,921 shares worth $86.2M. The largest sale was State Street Financial Select Sector SPDR ETF, an estimated $42.8M.
By sector, the portfolio is most concentrated in Miscellaneous at 98% of assets, up from 97% a quarter earlier, followed by Technology and Consumer Discretionary.
- 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 1,600 new positions and closed 1,638 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.