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 |
SPDR Gold Trust
GLD
|
+$31.6M |
| 2 |
iShares Silver Trust
SLV
|
+$28.1M |
| 3 |
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
|
+$25.1M |
| 4 |
JPMorgan Chase
JPM
|
+$24.5M |
| 5 |
Direxion Daily Junior Gold Miners Index Bull 2X ETF
JNUG
|
+$24M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Alphabet (Google) Class C
GOOG
|
+$51.6M |
| 2 |
Amazon
AMZN
|
+$47.4M |
| 3 |
iShares 20+ Year Treasury Bond ETF
TLT
|
+$44.7M |
| 4 |
Netflix
NFLX
|
+$38.3M |
| 5 |
NVIDIA
NVDA
|
+$31.1M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 0.49% |
| 2 | Healthcare | 0.33% |
| 3 | Consumer Discretionary | 0.32% |
| 4 | Financials | 0.16% |
| 5 | Communication Services | 0.16% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
1801
PUT
Golar LNG
GLNG
$4.95B
| $1.09M | ﹤0.01% |
1,380
+1,053
| +322% | +$11.6K |
|
1802
PUT
NRG Energy
NRG
$29.8B
| $1.08M | ﹤0.01% |
398
-396
| -50% | -$13.6K |
|
1803
PUT
O'Reilly Automotive
ORLY
$72.4B
| $1.08M | ﹤0.01% |
540
-5,070
| -90% | -$130K |
|
|
UNVR
1804
PUT
DELISTED
Univar Solutions Inc.
UNVR
| $1.08M | ﹤0.01% |
1,011
+1,004
| +14,343% | +$18.6K |
|
|
BFYT
1805
PUT
DELISTED
Benefytt Technologies, Inc. Class A Common Stock
BFYT
| $1.08M | ﹤0.01% |
484
-677
| -58% | -$16.1K |
|
1806
PUT
BlackBerry
BB
$5.01B
| $1.08M | ﹤0.01% |
2,620
-134
| -5% | -$728 |
|
1807
PUT
Copa Holdings
CPA
$5.56B
| $1.08M | ﹤0.01% |
239
+117
| +96% | +$10K |
|
1808
Paycom
PAYC
$6.78B
| $1.08M | ﹤0.01% |
5,360
-11,059
| -67% | -$3.03M |
|
|
HTZ
1809
PUT
DELISTED
Hertz Global Holdings, Inc.
HTZ
| $1.08M | ﹤0.01% |
1,752
-366
| -17% | -$4.95K |
|
1810
CALL
Columbia Sportswear
COLM
$3.19B
| $1.08M | ﹤0.01% |
155
+71
| +85% | +$6.03K |
|
1811
CALL
New York Times
NYT
$11.6B
| $1.08M | ﹤0.01% |
352
-75
| -18% | -$2.58K |
|
1812
PUT
Suncor Energy
SU
$77.7B
| $1.08M | ﹤0.01% |
683
+302
| +79% | +$7.92K |
|
1813
CALL
Fastenal
FAST
$54B
| $1.08M | ﹤0.01% |
690
-2,360
| -77% | -$41.5K |
|
1814
CALL
RPM International
RPM
$13.7B
| $1.08M | ﹤0.01% |
181
+52
| +40% | +$3.58K |
|
1815
PUT
IMAX
IMAX
$2.38B
| $1.07M | ﹤0.01% |
1,187
+1,145
| +2,726% | +$18.1K |
|
1816
CALL
LGI Homes
LGIH
$1.4B
| $1.07M | ﹤0.01% |
238
+221
| +1,300% | +$16.4K |
|
1817
Air Products & Chemicals
APD
$66.3B
| $1.07M | ﹤0.01% |
+5,375
| New | +$1.22M |
|
|
OPTU
1818
PUT
Optimum Communications Inc
OPTU
$316M
| $1.07M | ﹤0.01% |
481
-1,087
| -69% | -$28.4K |
|
1819
PUT
Methanex
MEOH
$4.32B
| $1.07M | ﹤0.01% |
881
+606
| +220% | +$17.4K |
|
1820
PUT
Henry Schein
HSIC
$9.74B
| $1.07M | ﹤0.01% |
212
+85
| +67% | +$5.39K |
|
1821
CALL
Western Alliance Bancorporation
WAL
$9.07B
| $1.07M | ﹤0.01% |
349
-4
| -1% | -$191 |
|
|
ABB
1822
CALL
DELISTED
ABB Ltd
ABB
| $1.07M | ﹤0.01% |
619
-712
| -53% | -$15.6K |
|
1823
PUT
Appian
APPN
$1.74B
| $1.07M | ﹤0.01% |
265
+193
| +268% | +$8.97K |
|
1824
CALL
Quanta Services
PWR
$93.9B
| $1.07M | ﹤0.01% |
336
+277
| +469% | +$10.3K |
|
1825
PUT
Tempest Therapeutics
TPST
$14.8M
| $1.07M | ﹤0.01% |
+10
| New | +$14.6K |
|
Similar funds
Simplex Trading's Q1 2020 Portfolio in Review
As of Q1 2020, Simplex Trading held 8,783 positions worth $56.7B, up 24% from $45.7B the previous quarter. Its ten largest holdings account for 50% of the portfolio.
Simplex Trading's Q1 2020 filing shows 1,512 new, 3,249 increased, 2,705 reduced and 1,159 closed positions. Its largest new stake was SPDR Gold Trust: 212,230 shares worth $31.4M. The largest sale was Alphabet (Google) Class C, an estimated $51.6M.
By sector, the portfolio is most concentrated in Technology at 0.49% of assets, down from 0.75% a quarter earlier, followed by Healthcare and Consumer Discretionary.
- Simplex Trading's largest Q1 2020 buy was SPDR Gold Trust: 212,230 shares worth $31.4M.
- Simplex Trading added most to JPMorgan Chase in Q1 2020, an estimated $24.5M increase.
- Simplex Trading's biggest Q1 2020 reduction was Amazon, cutting an estimated $47.4M.
- Simplex Trading fully exited Alphabet (Google) Class C in Q1 2020, selling an estimated $51.6M.
- Simplex Trading's ten largest holdings make up 50% of its $56.7B portfolio in Q1 2020.
- Simplex Trading opened 1,512 new positions and closed 1,159 in Q1 2020.
- Simplex Trading's portfolio value rose 24% quarter-over-quarter to $56.7B.
Based on Simplex Trading's 13F filing for Q1 2020, filed 29 Apr 2020.