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 | |
|---|---|---|---|---|---|---|
|
LADR
3426
CALL
Ladder Capital
LADR
$1.24B
| $326K | ﹤0.01% |
403
+120
| +42% | +$901 |
|
3427
PUT
Sabesp
SBS
$19.8B
| $326K | ﹤0.01% |
1,604
-593
| -27% | -$993 |
|
|
ECOL
3428
DELISTED
US Ecology, Inc.
ECOL
| $326K | ﹤0.01% |
+9,629
| New | +$314K |
|
3429
CALL
Kornit Digital
KRNT
$706M
| $325K | ﹤0.01% |
61
-70
| -53% | -$2.67K |
|
|
KW
3430
PUT
DELISTED
Kennedy-Wilson Holdings
KW
| $325K | ﹤0.01% |
214
+208
| +3,467% | +$3K |
|
3431
Protolabs
PRLB
$1.84B
| $325K | ﹤0.01% |
2,897
+1,177
| +68% | +$121K |
|
3432
PUT
Telus
TU
$16.3B
| $325K | ﹤0.01% |
194
+166
| +593% | +$2.76K |
|
|
QVCGA
3433
CALL
DELISTED
QVC Group Inc Series A
QVCGA
| $325K | ﹤0.01% |
7
-9
| -56% | -$3.51K |
|
3434
Carrier Global
CARR
$57B
| $324K | ﹤0.01% |
+14,619
| New | +$272K |
|
3435
Annaly Capital Management
NLY
$17B
| $324K | ﹤0.01% |
+12,349
| New | +$305K |
|
3436
CALL
Univest Financial
UVSP
$1.23B
| $324K | ﹤0.01% |
+201
| New | +$3.22K |
|
|
BECN
3437
PUT
DELISTED
Beacon Roofing Supply, Inc.
BECN
| $324K | ﹤0.01% |
123
+45
| +58% | +$1.01K |
|
|
EMWP
3438
PUT
DELISTED
Eros Media World PLC
EMWP
| $323K | ﹤0.01% |
51
+45
| +750% | +$2.54K |
|
3439
PUT
Brookfield Infrastructure Partners
BIP
$18.5B
| $322K | ﹤0.01% |
179
+26
| +17% | +$693 |
|
3440
Brookfield
BN
$103B
| $322K | ﹤0.01% |
+18,332
| New | +$322K |
|
3441
Goodyear
GT
$2.04B
| $322K | ﹤0.01% |
36,027
-95,510
| -73% | -$726K |
|
3442
IPG Photonics
IPGP
$3.78B
| $322K | ﹤0.01% |
+2,011
| New | +$286K |
|
|
MARK
3443
CALL
DELISTED
Remark Holdings, Inc.
MARK
| $322K | ﹤0.01% |
+137
| New | +$2.11K |
|
3444
PUT
Huntsman Corp
HUN
$2.09B
| $321K | ﹤0.01% |
179
-300
| -63% | -$5.04K |
|
3445
CALL
Prothena Corp
PRTA
$458M
| $321K | ﹤0.01% |
307
+53
| +21% | +$589 |
|
3446
CALL
Builders FirstSource
BLDR
$7.78B
| $320K | ﹤0.01% |
155
-53
| -25% | -$957 |
|
3447
PUT
Revolve Group
RVLV
$1.83B
| $320K | ﹤0.01% |
216
+83
| +62% | +$1.09K |
|
3448
PUT
Celanese
CE
$4.9B
| $319K | ﹤0.01% |
37
-74
| -67% | -$6.17K |
|
3449
CALL
Invesco
IVZ
$13.2B
| $319K | ﹤0.01% |
297
-761
| -72% | -$6.83K |
|
3450
PUT
Principal Financial Group
PFG
$23.9B
| $319K | ﹤0.01% |
77
-22
| -22% | -$803 |
|
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.