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 | |
|---|---|---|---|---|---|---|
|
RIDE
3576
CALL
DELISTED
Lordstown Motors Corp. Class A Common Stock
RIDE
| $612K | ﹤0.01% |
11,973
-2,420
| -17% | -$105K |
|
3577
PUT
Delek Logistics
DKL
$3.03B
| $611K | ﹤0.01% |
13,900
-7,900
| -36% | -$336K |
|
|
TTCF
3578
DELISTED
Tattooed Chef, Inc Class A Common Stock
TTCF
| $611K | ﹤0.01% |
48,641
+43,833
| +912% | +$555K |
|
3579
PUT
ACV Auctions
ACVA
$1.4B
| $610K | ﹤0.01% |
41,200
+40,100
| +3,645% | +$557K |
|
3580
PUT
Brighthouse Financial
BHF
$3.63B
| $609K | ﹤0.01% |
11,800
+9,200
| +354% | +$491K |
|
3581
PUT
Invesco DB Commodity Index Tracking Fund
DBC
$1.67B
| $609K | ﹤0.01% |
23,400
+21,900
| +1,460% | +$521K |
|
3582
PUT
Sphere Entertainment
SPHR
$5.01B
| $608K | ﹤0.01% |
7,300
-5,900
| -45% | -$444K |
|
|
TBCH
3583
PUT
Turtle Beach Corp
TBCH
$245M
| $608K | ﹤0.01% |
28,600
-36,000
| -56% | -$754K |
|
|
ADVM
3584
CALL
DELISTED
Adverum Biotechnologies
ADVM
| $607K | ﹤0.01% |
46,350
-12,580
| -21% | -$184K |
|
|
ISPO
3585
CALL
DELISTED
Inspirato
ISPO
| $606K | ﹤0.01% |
+3,050
| New | +$1.07M |
|
|
ABK
3586
CALL
DELISTED
Ambac Financial Group
ABK
| $606K | ﹤0.01% |
58,300
+29,000
| +99% | +$301K |
|
3587
PUT
HF Sinclair
DINO
$16.4B
| $605K | ﹤0.01% |
15,200
+9,900
| +187% | +$348K |
|
3588
PUT
FS KKR Capital
FSK
$3.04B
| $604K | ﹤0.01% |
26,500
-37,200
| -58% | -$825K |
|
|
CCV
3589
CALL
DELISTED
Churchill Capital Corp V
CCV
| $603K | ﹤0.01% |
61,400
+19,400
| +46% | +$190K |
|
3590
CALL
Arbutus Biopharma
ABUS
$871M
| $601K | ﹤0.01% |
201,700
-12,400
| -6% | -$38K |
|
3591
CALL
Ameriprise Financial
AMP
$47.6B
| $600K | ﹤0.01% |
2,000
-800
| -29% | -$242K |
|
3592
Amneal Pharmaceuticals
AMRX
$5.78B
| $599K | ﹤0.01% |
143,731
+46,733
| +48% | +$207K |
|
3593
Chegg
CHGG
$110M
| $599K | ﹤0.01% |
16,535
-28,156
| -63% | -$847K |
|
3594
CALL
First Citizens BancShares
FCNCA
$24.3B
| $599K | ﹤0.01% |
+900
| New | +$701K |
|
3595
Grocery Outlet
GO
$932M
| $599K | ﹤0.01% |
+18,292
| New | +$510K |
|
3596
CALL
Penumbra
PEN
$12.6B
| $599K | ﹤0.01% |
2,700
-700
| -21% | -$156K |
|
3597
PUT
Kosmos Energy
KOS
$1.45B
| $598K | ﹤0.01% |
83,300
+38,700
| +87% | +$197K |
|
3598
PUT
Resideo Technologies
REZI
$5.34B
| $598K | ﹤0.01% |
25,100
+23,500
| +1,469% | +$590K |
|
3599
UnitedHealth
UNH
$379B
| $598K | ﹤0.01% |
1,174
-46,384
| -98% | -$22.4M |
|
3600
KB Home
KBH
$3.53B
| $597K | ﹤0.01% |
18,468
-37,596
| -67% | -$1.48M |
|
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.