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 | |
|---|---|---|---|---|---|---|
2576
Edgewell Personal Care
EPC
$1.27B
| $659K | ﹤0.01% |
21,178
+7,259
| +52% | +$203K |
|
2577
PUT
Tenaris
TS
$29.1B
| $659K | ﹤0.01% |
510
-95
| -16% | -$1.25K |
|
2578
PUT
United States Gasoline Fund
UGA
$142M
| $659K | ﹤0.01% |
348
+257
| +282% | +$3.94K |
|
|
LTHM
2579
CALL
DELISTED
Livent Corporation
LTHM
| $659K | ﹤0.01% |
1,070
+68
| +7% | +$428 |
|
2580
CALL
CNX Resources
CNX
$4.85B
| $658K | ﹤0.01% |
761
+530
| +229% | +$5.33K |
|
2581
Zebra Technologies
ZBRA
$12.4B
| $658K | ﹤0.01% |
2,574
+1,374
| +115% | +$322K |
|
|
CIM
2582
CALL
Chimera Investment
CIM
$1.05B
| $657K | ﹤0.01% |
228
-329
| -59% | -$8.45K |
|
2583
CALL
Greif
GEF
$4.47B
| $657K | ﹤0.01% |
191
+152
| +390% | +$4.99K |
|
2584
PUT
OR Royalties Inc
OR
$5.47B
| $657K | ﹤0.01% |
657
+309
| +89% | +$2.85K |
|
|
PTR
2585
CALL
DELISTED
PETROCHINA COMPANY LIMITED ADS (REP 100 H SHARES)
PTR
| $657K | ﹤0.01% |
199
-199
| -50% | -$7.02K |
|
2586
PUT
Cerus
CERS
$587M
| $656K | ﹤0.01% |
994
-769
| -44% | -$4.41K |
|
2587
Canadian Pacific Kansas City
CP
$82B
| $656K | ﹤0.01% |
+12,865
| New | +$610K |
|
2588
PUT
DaVita
DVA
$15.1B
| $656K | ﹤0.01% |
83
+17
| +26% | +$1.33K |
|
2589
CALL
Fortuna Silver Mines
FSM
$2.59B
| $655K | ﹤0.01% |
1,288
+227
| +21% | +$821 |
|
2590
PUT
Gartner
IT
$9.41B
| $655K | ﹤0.01% |
54
+49
| +980% | +$5.66K |
|
2591
PUT
Occidental Petroleum
OXY
$57B
| $655K | ﹤0.01% |
14,142
+3,578
| +34% | +$56.4K |
|
2592
PUT
SL Green Realty
SLG
$3.88B
| $655K | ﹤0.01% |
137
+135
| +6,750% | +$6.2K |
|
2593
CALL
Credicorp
BAP
$30.9B
| $654K | ﹤0.01% |
+49
| New | +$6.98K |
|
2594
Pegasystems
PEGA
$4.41B
| $654K | ﹤0.01% |
12,934
+10,790
| +503% | +$468K |
|
2595
PUT
Vanguard Consumer Discretionary ETF
VCR
$5.84B
| $654K | ﹤0.01% |
80
+25
| +45% | +$4.51K |
|
|
EFOR
2596
CALL
Everforth Inc
EFOR
$845M
| $653K | ﹤0.01% |
98
+43
| +78% | +$2.28K |
|
|
MDC
2597
CALL
DELISTED
M.D.C. Holdings, Inc.
MDC
| $653K | ﹤0.01% |
198
+184
| +1,314% | +$5.08K |
|
2598
CALL
Prospect Capital
PSEC
$1.06B
| $652K | ﹤0.01% |
1,277
-2
| -0.2% | -$9 |
|
2599
PUT
ResMed
RMD
$28.3B
| $652K | ﹤0.01% |
34
-3
| -8% | -$491 |
|
|
WPX
2600
CALL
DELISTED
WPX Energy, Inc.
WPX
| $652K | ﹤0.01% |
1,022
+237
| +30% | +$1.34K |
|
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.