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 | |
|---|---|---|---|---|---|---|
|
CHNG
2451
PUT
DELISTED
Change Healthcare Inc. Common Stock
CHNG
| $1.45M | ﹤0.01% |
66,300
+23,600
| +55% | +$490K |
|
2452
CALL
AutoNation
AN
$6.97B
| $1.44M | ﹤0.01% |
14,500
+3,500
| +32% | +$387K |
|
2453
CALL
Hyatt Hotels
H
$17.6B
| $1.44M | ﹤0.01% |
15,100
-68,300
| -82% | -$6.41M |
|
2454
PUT
Perion Network
PERI
$367M
| $1.44M | ﹤0.01% |
64,100
+11,400
| +22% | +$243K |
|
2455
CALL
Gaming and Leisure Properties
GLPI
$12.8B
| $1.44M | ﹤0.01% |
30,700
+6,800
| +28% | +$306K |
|
2456
LivaNova
LIVN
$4.3B
| $1.44M | ﹤0.01% |
17,596
+14,080
| +400% | +$1.09M |
|
2457
Ternium
TX
$9.29B
| $1.44M | ﹤0.01% |
+31,533
| New | +$1.34M |
|
2458
CALL
Watts Water Technologies
WTS
$11.5B
| $1.44M | ﹤0.01% |
+10,300
| New | +$1.62M |
|
2459
Pan American Silver
PAAS
$18.6B
| $1.44M | ﹤0.01% |
52,621
-53,079
| -50% | -$1.31M |
|
2460
PUT
GoodRx Holdings
GDRX
$1B
| $1.43M | ﹤0.01% |
74,200
+42,900
| +137% | +$984K |
|
2461
CALL
Playboy Inc
PLBY
$141M
| $1.43M | ﹤0.01% |
109,400
-8,800
| -7% | -$148K |
|
2462
PUT
Arthur J. Gallagher & Co
AJG
$63.7B
| $1.43M | ﹤0.01% |
8,200
-2,100
| -20% | -$335K |
|
|
PRFT
2463
CALL
DELISTED
Perficient Inc
PRFT
| $1.43M | ﹤0.01% |
13,000
-10,500
| -45% | -$1.1M |
|
2464
PUT
Kymera Therapeutics
KYMR
$9.1B
| $1.43M | ﹤0.01% |
33,800
+33,500
| +11,167% | +$1.41M |
|
2465
iShares Russell 1000 Growth ETF
IWF
$122B
| $1.43M | ﹤0.01% |
20,556
-25,588
| -55% | -$1.75M |
|
|
RC
2466
CALL
Ready Capital
RC
$265M
| $1.42M | ﹤0.01% |
94,500
-5,300
| -5% | -$79.4K |
|
|
GOEV
2467
CALL
DELISTED
Canoo Inc. Class A Common Stock
GOEV
| $1.42M | ﹤0.01% |
560
-18
| -3% | -$49.5K |
|
2468
PUT
Marqeta
MQ
$1.8B
| $1.42M | ﹤0.01% |
32,175
-26,675
| -45% | -$1.24M |
|
|
TWO
2469
CALL
Two Harbors Investment
TWO
$1.27B
| $1.42M | ﹤0.01% |
64,200
-112,275
| -64% | -$2.44M |
|
2470
CALL
Fortune Brands Innovations
FBIN
$6.12B
| $1.42M | ﹤0.01% |
22,347
+819
| +4% | +$63K |
|
|
MOMO
2471
PUT
Hello Group
MOMO
$869M
| $1.42M | ﹤0.01% |
245,400
+203,100
| +480% | +$1.76M |
|
2472
CALL
Green Plains
GPRE
$1.19B
| $1.42M | ﹤0.01% |
45,700
+22,300
| +95% | +$700K |
|
2473
CALL
iRhythm Holdings
IRTC
$3.59B
| $1.42M | ﹤0.01% |
9,000
+1,100
| +14% | +$141K |
|
|
CS
2474
PUT
DELISTED
Credit Suisse Group
CS
| $1.42M | ﹤0.01% |
180,600
+3,100
| +2% | +$27.5K |
|
2475
PUT
Relmada Therapeutics
RLMD
$544M
| $1.42M | ﹤0.01% |
+52,500
| New | +$1.09M |
|
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.