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 | |
|---|---|---|---|---|---|---|
5526
CALL
Kopin
KOPN
$663M
| $154K | ﹤0.01% |
61,200
-64,700
| -51% | -$186K |
|
5527
CALL
National Healthcare
NHC
$3.53B
| $154K | ﹤0.01% |
2,200
+1,200
| +120% | +$80.7K |
|
5528
PUT
Paysign
PAYS
$510M
| $154K | ﹤0.01% |
78,200
+41,100
| +111% | +$87K |
|
5529
CALL
Perella Weinberg Partners
PWP
$1.28B
| $154K | ﹤0.01% |
16,300
+5,800
| +55% | +$61.8K |
|
5530
PUT
Vertiv
VRT
$94.1B
| $154K | ﹤0.01% |
11,000
+7,800
| +244% | +$139K |
|
|
PENG
5531
CALL
Penguin Solutions Inc
PENG
$2.71B
| $154K | ﹤0.01% |
6,000
-20,000
| -77% | -$565K |
|
|
HLTH
5532
CALL
DELISTED
Cue Health Inc. Common Stock
HLTH
| $154K | ﹤0.01% |
24,000
+19,800
| +471% | +$179K |
|
|
MNTV
5533
DELISTED
Momentive Global Inc. Common Stock
MNTV
| $154K | ﹤0.01% |
9,532
-116,743
| -92% | -$1.95M |
|
5534
Invesco DB Oil Fund
DBO
$401M
| $153K | ﹤0.01% |
8,854
+1,100
| +14% | +$17.4K |
|
|
KYNB
5535
PUT
Kyntra Bio
KYNB
$27.6M
| $153K | ﹤0.01% |
512
+468
| +1,064% | +$163K |
|
5536
Hope Bancorp
HOPE
$1.79B
| $153K | ﹤0.01% |
+9,542
| New | +$157K |
|
5537
CALL
Independence Realty Trust
IRT
$3.93B
| $153K | ﹤0.01% |
5,800
+3,400
| +142% | +$83.4K |
|
|
LADR
5538
Ladder Capital
LADR
$1.21B
| $153K | ﹤0.01% |
+12,917
| New | +$152K |
|
5539
PUT
Medifast
MED
$110M
| $153K | ﹤0.01% |
900
+200
| +29% | +$37.7K |
|
5540
CALL
Ingevity
NGVT
$2.57B
| $153K | ﹤0.01% |
2,400
+2,200
| +1,100% | +$147K |
|
5541
CALL
Owlet
OWLT
$150M
| $153K | ﹤0.01% |
2,471
+1,078
| +77% | +$37.1K |
|
|
PMT
5542
PUT
PennyMac Mortgage Investment
PMT
$817M
| $153K | ﹤0.01% |
9,100
+3,100
| +52% | +$51.9K |
|
|
PRO
5543
CALL
DELISTED
PROS Holdings
PRO
| $153K | ﹤0.01% |
4,600
-1,600
| -26% | -$49.2K |
|
5544
PUT
CoinShares ETF Trust CoinShares Bitcoin Mining ETF
WGMI
$259M
| $153K | ﹤0.01% |
+8,900
| New | +$226K |
|
|
SRCL
5545
CALL
DELISTED
Stericycle Inc
SRCL
| $153K | ﹤0.01% |
2,600
+200
| +8% | +$11.6K |
|
|
ERF
5546
DELISTED
Enerplus Corporation
ERF
| $153K | ﹤0.01% |
12,067
-6,153
| -34% | -$74.7K |
|
|
GCP
5547
PUT
DELISTED
GCP Applied Technologies Inc.
GCP
| $153K | ﹤0.01% |
4,900
-5,300
| -52% | -$168K |
|
|
ECOL
5548
CALL
DELISTED
US Ecology, Inc.
ECOL
| $153K | ﹤0.01% |
3,200
+3,100
| +3,100% | +$124K |
|
5549
CALL
Assured Guaranty
AGO
$3.7B
| $152K | ﹤0.01% |
2,400
-13,600
| -85% | -$780K |
|
5550
PUT
Butterfly Network
BFLY
$1.94B
| $152K | ﹤0.01% |
32,000
+6,100
| +24% | +$33.5K |
|
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.