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Simplex Trading

Simplex Trading Portfolio holdings

AUM $171B
1-Year Est. Return 85%
 

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.

This Fund
S&P 500
This Quarter Est. Return
+12.69%
1 Year Est. Return
+85%
3 Year Est. Return
+183.25%
5 Year Est. Return
+145.21%
10 Year Est. Return
+1,056.84%
AUM
$73.5B
AUM Growth
+$10.8B
Cap. Flow
-$387M
Cap. Flow %
-0.53%
Top 10 Hldgs %
42.78%
Holding
9,056
New
1,402
Increased
3,135
Reduced
3,121
Closed
1,191

Top Buys

Rank Stock Value
1
AMZN icon
Amazon
AMZN
+$102M
2
TSM icon
TSMC
TSM
+$27.8M
3
JPM icon
JPMorgan Chase
JPM
+$22.4M
4
BA icon
Boeing
BA
+$19.4M
5
XOM icon
ExxonMobil
XOM
+$14.7M

Top Sells

Rank Stock Value
1
GLD icon
SPDR Gold Trust
GLD
+$95.5M
2
QQQ icon
Invesco QQQ Trust
QQQ
+$79.6M
3
TSLA icon
Tesla
TSLA
+$75.3M
4
NVDA icon
NVIDIA
NVDA
+$51.6M
5
EFA icon
iShares MSCI EAFE ETF
EFA
+$40.5M

Sector Composition

Rank Sector Weight
1 Miscellaneous 97.95%
2 Consumer Discretionary 0.55%
3 Technology 0.41%
4 Healthcare 0.23%
5 Financials 0.21%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
HAL icon
1426
Halliburton
HAL
$31.3B
$2.27M ﹤0.01%
188,466
-16,547
-8% -$240K
TPR icon
1427
PUT
Tapestry
TPR
$23.6B
$2.27M ﹤0.01%
1,452
+860
+145% +$12.7K
RJF icon
1428
PUT
Raymond James Financial
RJF
$34.3B
$2.26M ﹤0.01%
467
-205
-31% -$9.92K
WSM icon
1429
CALL
Williams-Sonoma
WSM
$26.6B
$2.26M ﹤0.01%
500
+148
+42% +$6.58K
PPG icon
1430
CALL
PPG Industries
PPG
$24.7B
$2.26M ﹤0.01%
185
+155
+517% +$18.1K
BERY
1431
CALL
DELISTED
Berry Global Group, Inc.
BERY
$2.26M ﹤0.01%
509
+36
+8% +$1.65K
CTLT
1432
PUT
DELISTED
CATALENT, INC.
CTLT
$2.25M ﹤0.01%
263
+144
+121% +$12.2K
SOHU
1433
PUT
Sohu.com
SOHU
$353M
$2.25M ﹤0.01%
1,133
+478
+73% +$8.29K
RPM icon
1434
CALL
RPM International
RPM
$13.2B
$2.24M ﹤0.01%
271
-276
-50% -$22.5K
TT icon
1435
CALL
Trane Technologies
TT
$98.2B
$2.24M ﹤0.01%
187
-310
-62% -$34.8K
ARCT icon
1436
CALL
Arcturus Therapeutics
ARCT
$432M
$2.24M ﹤0.01%
523
+463
+772% +$23K
HPQ icon
1437
CALL
HP
HPQ
$28.2B
$2.24M ﹤0.01%
1,181
-1,516
-56% -$27.7K
JAZZ icon
1438
PUT
Jazz Pharmaceuticals
JAZZ
$15.8B
$2.24M ﹤0.01%
157
+106
+208% +$13.1K
FIVE icon
1439
CALL
Five Below
FIVE
$13.5B
$2.23M ﹤0.01%
176
-57
-24% -$6.49K
BALL icon
1440
CALL
Ball Corp
BALL
$16.3B
$2.23M ﹤0.01%
268
-55
-17% -$4.23K
ORCL icon
1441
Oracle
ORCL
$469B
$2.23M ﹤0.01%
+37,270
New +$2.12M
AA icon
1442
CALL
Alcoa
AA
$13.9B
$2.22M ﹤0.01%
1,907
-873
-31% -$11.7K
MLCO icon
1443
Melco Resorts & Entertainment
MLCO
$1.98B
$2.22M ﹤0.01%
133,121
+75,853
+132% +$1.34M
PHG icon
1444
PUT
Philips
PHG
$25B
$2.22M ﹤0.01%
580
+391
+207% +$15.7K
F icon
1445
Ford
F
$56.7B
$2.21M ﹤0.01%
331,972
-401,314
-55% -$2.72M
BCE icon
1446
CALL
BCE
BCE
$22B
$2.21M ﹤0.01%
532
-172
-24% -$7.27K
VAC icon
1447
PUT
Marriott Vacations Worldwide
VAC
$3.57B
$2.21M ﹤0.01%
243
-136
-36% -$12.3K
FIVE icon
1448
PUT
Five Below
FIVE
$13.5B
$2.2M ﹤0.01%
173
-216
-56% -$24.6K
JAZZ icon
1449
CALL
Jazz Pharmaceuticals
JAZZ
$15.8B
$2.19M ﹤0.01%
154
+121
+367% +$15K
EGO icon
1450
CALL
Eldorado Gold
EGO
$11.4B
$2.19M ﹤0.01%
2,078
-97
-4% -$1.09K

Similar funds

Simplex Trading's Q3 2020 Portfolio in Review

As of Q3 2020, Simplex Trading held 9,056 positions worth $73.5B, up 17% from $62.7B the previous quarter. Its ten largest holdings account for 43% of the portfolio.

Simplex Trading's Q3 2020 filing shows 1,402 new, 3,135 increased, 3,121 reduced and 1,191 closed positions. Its largest new stake was Goldman Sachs: 60,397 shares worth $12.1M. The largest sale was SPDR Gold Trust, an estimated $95.5M.

By sector, the portfolio is most concentrated in Miscellaneous at 98% of assets, up from 98% a quarter earlier, followed by Consumer Discretionary and Technology.

  • Simplex Trading's largest Q3 2020 buy was Goldman Sachs: 60,397 shares worth $12.1M.
  • Simplex Trading added most to Amazon in Q3 2020, an estimated $102M increase.
  • Simplex Trading's biggest Q3 2020 reduction was SPDR Gold Trust, cutting an estimated $95.5M.
  • Simplex Trading fully exited iShares MSCI EAFE ETF in Q3 2020, selling an estimated $40.5M.
  • Simplex Trading's ten largest holdings make up 43% of its $73.5B portfolio in Q3 2020.
  • Simplex Trading opened 1,402 new positions and closed 1,191 in Q3 2020.
  • Simplex Trading's portfolio value rose 17% quarter-over-quarter to $73.5B.

Based on Simplex Trading's 13F filing for Q3 2020, filed 14 Oct 2020.