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 | |
|---|---|---|---|---|---|---|
6251
PUT
PMV Pharmaceuticals
PMVP
$59.2M
| $93K | ﹤0.01% |
+4,500
| New | +$79.4K |
|
6252
CALL
Portland General Electric
POR
$5.8B
| $93K | ﹤0.01% |
1,700
-2,000
| -54% | -$105K |
|
6253
PUT
LiveRamp
RAMP
$2.3B
| $93K | ﹤0.01% |
2,500
+1,300
| +108% | +$54.3K |
|
6254
PUT
Sonic Automotive
SAH
$2.9B
| $93K | ﹤0.01% |
2,200
+200
| +10% | +$9.85K |
|
|
APEN
6255
PUT
DELISTED
Apollo Endosurgery, Inc.
APEN
| $93K | ﹤0.01% |
15,400
+12,900
| +516% | +$78.6K |
|
|
HMLP
6256
CALL
DELISTED
HOEGH LNG PARTNERS LP
HMLP
| $93K | ﹤0.01% |
12,700
+8,500
| +202% | +$39.5K |
|
6257
PUT
Alta Equipment Group
ALTG
$214M
| $92K | ﹤0.01% |
7,500
+6,500
| +650% | +$85.6K |
|
6258
PUT
Sphere 3D
ANY
$18.5M
| $92K | ﹤0.01% |
630
-1,539
| -71% | -$250K |
|
6259
PUT
Bally's
BALY
$682M
| $92K | ﹤0.01% |
3,000
-1,300
| -30% | -$43.9K |
|
6260
PUT
Bank of Hawaii
BOH
$3.15B
| $92K | ﹤0.01% |
1,100
+900
| +450% | +$77.8K |
|
6261
CALL
Celestica
CLS
$38.1B
| $92K | ﹤0.01% |
7,800
+7,700
| +7,700% | +$90.8K |
|
6262
CALL
Enanta Pharmaceuticals
ENTA
$366M
| $92K | ﹤0.01% |
1,300
+1,000
| +333% | +$65.1K |
|
6263
PUT
Insteel Industries
IIIN
$593M
| $92K | ﹤0.01% |
2,500
+2,400
| +2,400% | +$93K |
|
6264
Kodak
KODK
$822M
| $92K | ﹤0.01% |
14,059
-35,861
| -72% | -$170K |
|
6265
PUT
Standard BioTools
LAB
$340M
| $92K | ﹤0.01% |
43,200
+27,800
| +181% | +$96K |
|
6266
Masco
MAS
$14.1B
| $92K | ﹤0.01% |
1,805
-17,823
| -91% | -$1.06M |
|
|
ORLA
6267
DELISTED
Orla Mining
ORLA
| $92K | ﹤0.01% |
19,321
+12,745
| +194% | +$51.2K |
|
6268
abrdn Physical Silver Shares ETF
SIVR
$4.02B
| $92K | ﹤0.01% |
3,892
-7,071
| -64% | -$164K |
|
6269
CALL
UFP Industries
UFPI
$4.9B
| $92K | ﹤0.01% |
1,200
+700
| +140% | +$58.4K |
|
|
OBSV
6270
DELISTED
ObsEva SA Ordinary Shares
OBSV
| $92K | ﹤0.01% |
+61,297
| New | +$90.5K |
|
|
ETAC
6271
CALL
DELISTED
E.Merge Technology Acquisition Corp. Class A Common Stock
ETAC
| $92K | ﹤0.01% |
9,300
-118,700
| -93% | -$1.17M |
|
6272
CALL
AdaptHealth
AHCO
$1.47B
| $91K | ﹤0.01% |
5,700
+4,100
| +256% | +$73.7K |
|
6273
CALL
AudioCodes
AUDC
$244M
| $91K | ﹤0.01% |
3,600
+2,000
| +125% | +$57.5K |
|
|
CRESY
6274
CALL
Cresud
CRESY
$795M
| $91K | ﹤0.01% |
11,553
+6,037
| +109% | +$35.7K |
|
6275
EnerSys
ENS
$6.78B
| $91K | ﹤0.01% |
+1,222
| New | +$91.3K |
|
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.