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 |
Invesco QQQ Trust
QQQ
|
+$77.3M |
| 2 |
SPDR Gold Trust
GLD
|
+$73.2M |
| 3 |
iShares MSCI EAFE ETF
EFA
|
+$38.5M |
| 4 |
Netflix
NFLX
|
+$38.4M |
| 5 |
NVIDIA
NVDA
|
+$36.3M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Apple
AAPL
|
+$55.9M |
| 2 |
iPath Series B S&P 500 VIX Short-Term Futures ETN
VXX
|
+$28.3M |
| 3 |
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
|
+$23.1M |
| 4 |
State Street SPDR S&P 500 ETF Trust
SPY
|
+$23.1M |
| 5 |
Adobe
ADBE
|
+$22M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 0.49% |
| 2 | Consumer Discretionary | 0.47% |
| 3 | Communication Services | 0.34% |
| 4 | Healthcare | 0.26% |
| 5 | Financials | 0.23% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
2426
Tandem Diabetes Care
TNDM
$1.17B
| $745K | ﹤0.01% |
7,534
-12,091
| -62% | -$965K |
|
2427
CALL
CareTrust REIT
CTRE
$10.2B
| $744K | ﹤0.01% |
434
-333
| -43% | -$5.81K |
|
2428
CALL
VF Corp
VFC
$6.68B
| $743K | ﹤0.01% |
124
-33
| -21% | -$1.92K |
|
2429
CALL
Dillards
DDS
$8.87B
| $742K | ﹤0.01% |
288
+178
| +162% | +$5.03K |
|
|
CHU
2430
PUT
DELISTED
China Unicom (HONG KONG) Limited
CHU
| $742K | ﹤0.01% |
1,363
+1,336
| +4,948% | +$8.13K |
|
2431
PUT
Eversource Energy
ES
$28.2B
| $741K | ﹤0.01% |
89
-94
| -51% | -$7.78K |
|
2432
PUT
TC Energy
TRP
$73.5B
| $741K | ﹤0.01% |
173
+49
| +40% | +$2.2K |
|
2433
CALL
Cognex
CGNX
$10.3B
| $740K | ﹤0.01% |
124
+1
| +0.8% | +$54 |
|
|
TWO
2434
PUT
Two Harbors Investment
TWO
$1.27B
| $740K | ﹤0.01% |
367
+135
| +58% | +$2.51K |
|
2435
CALL
PTC
PTC
$13.7B
| $739K | ﹤0.01% |
95
-121
| -56% | -$8.57K |
|
2436
CALL
GrafTech
EAF
$194M
| $738K | ﹤0.01% |
93
+60
| +182% | +$4.5K |
|
2437
HF Sinclair
DINO
$15.9B
| $736K | ﹤0.01% |
25,214
+5,637
| +29% | +$167K |
|
2438
PUT
eHealth
EHTH
$42.5M
| $736K | ﹤0.01% |
75
-154
| -67% | -$17.9K |
|
|
SAFE
2439
PUT
Safehold
SAFE
$1.19B
| $735K | ﹤0.01% |
123
+26
| +27% | +$1.31K |
|
|
HRC
2440
CALL
DELISTED
HILL-ROM HOLDINGS, INC.
HRC
| $735K | ﹤0.01% |
67
-42
| -39% | -$4.4K |
|
2441
CALL
Cardlytics
CDLX
$21M
| $734K | ﹤0.01% |
11
-4
| -27% | -$2.31K |
|
2442
PUT
iShares Gold Trust
IAU
$63B
| $732K | ﹤0.01% |
216
+66
| +44% | +$2.16K |
|
2443
PUT
Keurig Dr Pepper
KDP
$40.4B
| $732K | ﹤0.01% |
258
+122
| +90% | +$3.31K |
|
2444
CALL
Schrodinger
SDGR
$1.12B
| $732K | ﹤0.01% |
80
-180
| -69% | -$10.5K |
|
2445
MetLife
MET
$61B
| $731K | ﹤0.01% |
20,027
-25,858
| -56% | -$900K |
|
2446
Clearwater Paper
CLW
$271M
| $730K | ﹤0.01% |
20,227
+12,422
| +159% | +$345K |
|
2447
Nokia
NOK
$50.8B
| $730K | ﹤0.01% |
166,036
-230,949
| -58% | -$873K |
|
2448
PUT
The RealReal
REAL
$1.34B
| $727K | ﹤0.01% |
569
+163
| +40% | +$1.94K |
|
2449
United States Gasoline Fund
UGA
$142M
| $726K | ﹤0.01% |
38,356
+30,727
| +403% | +$471K |
|
2450
PUT
Hilltop Holdings
HTH
$2.29B
| $725K | ﹤0.01% |
393
-15
| -4% | -$258 |
|
Similar funds
Simplex Trading's Q2 2020 Portfolio in Review
As of Q2 2020, Simplex Trading held 8,917 positions worth $62.7B, up 11% from $56.7B the previous quarter. Its ten largest holdings account for 44% of the portfolio.
Simplex Trading's Q2 2020 filing shows 1,290 new, 3,427 increased, 2,723 reduced and 1,278 closed positions. Its largest new stake was iShares MSCI EAFE ETF: 665,841 shares worth $40.5M. The largest sale was Apple, an estimated $55.9M.
By sector, the portfolio is most concentrated in Technology at 0.49% of assets, up from 0.49% a quarter earlier, followed by Consumer Discretionary and Communication Services.
- Simplex Trading's largest Q2 2020 buy was iShares MSCI EAFE ETF: 665,841 shares worth $40.5M.
- Simplex Trading added most to Invesco QQQ Trust in Q2 2020, an estimated $77.3M increase.
- Simplex Trading's biggest Q2 2020 reduction was Apple, cutting an estimated $55.9M.
- Simplex Trading fully exited Adobe in Q2 2020, selling an estimated $22M.
- Simplex Trading's ten largest holdings make up 44% of its $62.7B portfolio in Q2 2020.
- Simplex Trading opened 1,290 new positions and closed 1,278 in Q2 2020.
- Simplex Trading's portfolio value rose 11% quarter-over-quarter to $62.7B.
Based on Simplex Trading's 13F filing for Q2 2020, filed 13 Jul 2020.