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 | |
|---|---|---|---|---|---|---|
2651
CALL
Pembina Pipeline
PBA
$29.9B
| $625K | ﹤0.01% |
250
-348
| -58% | -$8.05K |
|
2652
CALL
Medifast
MED
$108M
| $624K | ﹤0.01% |
45
+30
| +200% | +$2.75K |
|
2653
PUT
Middleby
MIDD
$6.05B
| $623K | ﹤0.01% |
79
-253
| -76% | -$16.4K |
|
|
ZUO
2654
DELISTED
Zuora, Inc.
ZUO
| $623K | ﹤0.01% |
48,906
+44,517
| +1,014% | +$496K |
|
|
TRHC
2655
PUT
DELISTED
Tabula Rasa HealthCare, Inc. Common Stock
TRHC
| $623K | ﹤0.01% |
114
-44
| -28% | -$2.52K |
|
2656
PUT
Prudential
PUK
$36.5B
| $622K | ﹤0.01% |
211
+49
| +30% | +$1.3K |
|
|
NBL
2657
DELISTED
Noble Energy, Inc.
NBL
| $622K | ﹤0.01% |
69,518
+33,221
| +92% | +$297K |
|
2658
CALL
1-800-Flowers.com
FLWS
$245M
| $620K | ﹤0.01% |
310
+82
| +36% | +$1.62K |
|
2659
Hershey
HSY
$35.4B
| $620K | ﹤0.01% |
+4,785
| New | +$643K |
|
|
CEO
2660
CALL
DELISTED
CNOOC Limited
CEO
| $620K | ﹤0.01% |
55
-29
| -35% | -$3.27K |
|
2661
CALL
LPL Financial
LPLA
$26.3B
| $619K | ﹤0.01% |
79
+22
| +39% | +$1.47K |
|
2662
CALL
Xerox
XRX
$337M
| $619K | ﹤0.01% |
405
-915
| -69% | -$15.8K |
|
|
JBTM
2663
CALL
JBT Marel
JBTM
$7.14B
| $619K | ﹤0.01% |
72
+9
| +14% | +$698 |
|
2664
CALL
Owens Corning
OC
$11.5B
| $618K | ﹤0.01% |
111
+26
| +31% | +$1.21K |
|
2665
EQT Corp
EQT
$33.2B
| $617K | ﹤0.01% |
51,856
+37,510
| +261% | +$492K |
|
2666
Green Dot
GDOT
$753M
| $616K | ﹤0.01% |
12,554
-27,695
| -69% | -$937K |
|
2667
Globant
GLOB
$1.35B
| $616K | ﹤0.01% |
4,112
-1,232
| -23% | -$152K |
|
2668
CALL
Warner Music
WMG
$13.8B
| $616K | ﹤0.01% |
+209
| New | +$6.52K |
|
|
TWOU
2669
DELISTED
2U Inc
TWOU
| $616K | ﹤0.01% |
541
-8
| -1% | -$7.14K |
|
|
CIT
2670
CALL
DELISTED
CIT Group Inc.
CIT
| $615K | ﹤0.01% |
297
+232
| +357% | +$4.48K |
|
2671
CALL
ProPetro Holding
PUMP
$1.45B
| $614K | ﹤0.01% |
1,196
+1,183
| +9,100% | +$5.45K |
|
2672
CALL
BILL Holdings
BILL
$4.33B
| $613K | ﹤0.01% |
68
-63
| -48% | -$4.06K |
|
|
2673
PUT
Xerox
XRX
$337M
| $613K | ﹤0.01% |
401
+100
| +33% | +$1.73K |
|
2674
CALL
Valvoline
VVV
$4.97B
| $612K | ﹤0.01% |
317
-289
| -48% | -$4.91K |
|
|
PFPT
2675
CALL
DELISTED
Proofpoint, Inc.
PFPT
| $611K | ﹤0.01% |
55
-13
| -19% | -$1.49K |
|
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.