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 | |
|---|---|---|---|---|---|---|
|
DPRO
5851
PUT
Draganfly
DPRO
$153M
| $122K | ﹤0.01% |
2,060
+1,328
| +181% | +$49K |
|
5852
PUT
Farmers National Banc Corp
FMNB
$939M
| $122K | ﹤0.01% |
7,200
+6,900
| +2,300% | +$123K |
|
5853
PUT
Global Partners
GLP
$1.68B
| $122K | ﹤0.01% |
4,500
-1,300
| -22% | -$34.2K |
|
5854
iShares Global Clean Energy ETF
ICLN
$2.31B
| $122K | ﹤0.01% |
5,680
-38,779
| -87% | -$759K |
|
5855
KBR
KBR
$4.62B
| $122K | ﹤0.01% |
2,236
-832
| -27% | -$40.4K |
|
5856
Kirby Corp
KEX
$7.01B
| $122K | ﹤0.01% |
1,691
-35,490
| -95% | -$2.37M |
|
5857
CALL
Kite Realty
KRG
$5.81B
| $122K | ﹤0.01% |
5,400
+3,100
| +135% | +$67.5K |
|
5858
CALL
Live Oak Bancshares
LOB
$1.98B
| $122K | ﹤0.01% |
2,400
-19,000
| -89% | -$1.22M |
|
5859
PUT
NBT Bancorp
NBTB
$2.74B
| $122K | ﹤0.01% |
3,400
+400
| +13% | +$15.5K |
|
|
SNBR
5860
DELISTED
Sleep Number
SNBR
| $122K | ﹤0.01% |
+2,418
| New | +$164K |
|
|
SVM
5861
PUT
Silvercorp Metals
SVM
$2.07B
| $122K | ﹤0.01% |
33,900
-4,100
| -11% | -$15K |
|
5862
Veracyte
VCYT
$3.7B
| $122K | ﹤0.01% |
4,451
-2,013
| -31% | -$57.6K |
|
5863
Vanguard Health Care ETF
VHT
$18.1B
| $122K | ﹤0.01% |
480
-1,022
| -68% | -$253K |
|
|
UMPQ
5864
CALL
DELISTED
Umpqua Holdings Corp
UMPQ
| $122K | ﹤0.01% |
6,500
+5,400
| +491% | +$111K |
|
5865
CALL
Alkermes
ALKS
$8.22B
| $121K | ﹤0.01% |
4,600
-162,700
| -97% | -$4.03M |
|
5866
CALL
Altimmune
ALT
$552M
| $121K | ﹤0.01% |
20,000
+11,100
| +125% | +$81.7K |
|
5867
CALL
Carpenter Technology
CRS
$25.8B
| $121K | ﹤0.01% |
2,900
-700
| -19% | -$24.5K |
|
5868
PUT
Diodes
DIOD
$3.78B
| $121K | ﹤0.01% |
+1,400
| New | +$127K |
|
5869
CALL
Invivyd
IVVD
$158M
| $121K | ﹤0.01% |
26,700
+12,200
| +84% | +$74.6K |
|
5870
Standard BioTools
LAB
$340M
| $121K | ﹤0.01% |
33,829
+26,413
| +356% | +$91.2K |
|
5871
iShares S&P 100 ETF
OEF
$20.1B
| $121K | ﹤0.01% |
582
+474
| +439% | +$97.4K |
|
|
OPRA
5872
CALL
Opera Ltd
OPRA
$1.69B
| $121K | ﹤0.01% |
20,600
+1,300
| +7% | +$8.14K |
|
5873
ProShares Short QQQ
PSQ
$824M
| $121K | ﹤0.01% |
2,090
+1,295
| +163% | +$77.7K |
|
5874
CALL
TTM Technologies
TTMI
$12B
| $121K | ﹤0.01% |
8,200
+800
| +11% | +$11K |
|
5875
Direxion Daily 7-10 Year Treasury Bear 3X ETF
TYO
$12.5M
| $121K | ﹤0.01% |
11,909
-5,940
| -33% | -$55.6K |
|
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.