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Simplex Trading

Simplex Trading Portfolio holdings

AUM $149B
1-Year Est. Return 62.07%
 

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
+33.36%
1 Year Est. Return
+62.07%
3 Year Est. Return
+116.86%
5 Year Est. Return
+116.02%
10 Year Est. Return
+774.44%
AUM
$62.7B
AUM Growth
+$5.97B
Cap. Flow
-$480M
Cap. Flow %
-0.77%
Top 10 Hldgs %
44.28%
Holding
8,917
New
1,290
Increased
3,427
Reduced
2,723
Closed
1,278

Top Buys

Rank Stock Value
1
QQQ icon
Invesco QQQ Trust
QQQ
+$77.3M
2
GLD icon
SPDR Gold Trust
GLD
+$73.2M
3
EFA icon
iShares MSCI EAFE ETF
EFA
+$38.5M
4
NFLX icon
Netflix
NFLX
+$38.4M
5
NVDA icon
NVIDIA
NVDA
+$36.3M

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
CNP icon
1426
PUT
CenterPoint Energy
CNP
$29.1B
$2.22M ﹤0.01%
1,190
+1,049
+744% +$18.1K
TT icon
1427
PUT
Trane Technologies
TT
$106B
$2.22M ﹤0.01%
255
+225
+750% +$19.6K
CBRE icon
1428
PUT
CBRE Group
CBRE
$40.8B
$2.21M ﹤0.01%
490
+298
+155% +$12.9K
RHP icon
1429
PUT
Ryman Hospitality Properties
RHP
$8.4B
$2.21M ﹤0.01%
640
+290
+83% +$9.63K
GOOS
1430
PUT
Canada Goose Holdings
GOOS
$868M
$2.21M ﹤0.01%
955
+212
+29% +$4.71K
IRM icon
1431
CALL
Iron Mountain
IRM
$38.2B
$2.21M ﹤0.01%
846
+251
+42% +$6.34K
STWD icon
1432
PUT
Starwood Property Trust
STWD
$6.12B
$2.21M ﹤0.01%
1,475
+995
+207% +$13.4K
USFD icon
1433
CALL
US Foods
USFD
$21.4B
$2.21M ﹤0.01%
1,119
+966
+631% +$18.5K
AMC icon
1434
PUT
AMC Entertainment Holdings
AMC
$2.03B
$2.2M ﹤0.01%
514
+200
+64% +$8.74K
LEA icon
1435
PUT
Lear
LEA
$7.19B
$2.2M ﹤0.01%
202
-86
-30% -$8.56K
RVTY icon
1436
CALL
Revvity
RVTY
$12.3B
$2.2M ﹤0.01%
224
+199
+796% +$18.2K
FRC
1437
PUT
DELISTED
First Republic Bank
FRC
$2.19M ﹤0.01%
207
-73
-26% -$7.49K
VIG icon
1438
CALL
Vanguard Dividend Appreciation ETF
VIG
$111B
$2.19M ﹤0.01%
187
+29
+18% +$3.3K
SAFM
1439
CALL
DELISTED
Sanderson Farms Inc
SAFM
$2.19M ﹤0.01%
189
-74
-28% -$9.51K
STAA icon
1440
PUT
STAAR Surgical
STAA
$1.16B
$2.18M ﹤0.01%
355
+318
+859% +$13K
USB icon
1441
US Bancorp
USB
$99.6B
$2.18M ﹤0.01%
+59,287
New +$2.11M
ITCI
1442
CALL
DELISTED
Intra-Cellular Therapies Inc.
ITCI
$2.18M ﹤0.01%
848
+578
+214% +$11.7K
GRMN
1443
PUT
Garmin
GRMN
$46.9B
$2.17M ﹤0.01%
223
-555
-71% -$47.5K
FLIR
1444
PUT
DELISTED
FLIR Systems, Inc. (DE) Common Stock
FLIR
$2.16M ﹤0.01%
532
+234
+79% +$9.71K
AVTR icon
1445
CALL
Avantor
AVTR
$7.81B
$2.16M ﹤0.01%
1,269
+956
+305% +$15.6K
WW
1446
CALL
DELISTED
WW International
WW
$2.15M ﹤0.01%
849
+24
+3% +$559
QURE icon
1447
PUT
uniQure
QURE
$2.68B
$2.14M ﹤0.01%
476
+290
+156% +$17.1K
LKQ icon
1448
CALL
LKQ Corp
LKQ
$6.58B
$2.14M ﹤0.01%
818
+586
+253% +$14.4K
BX icon
1449
Blackstone
BX
$104B
$2.14M ﹤0.01%
+37,806
New +$1.99M
BHF icon
1450
CALL
Brighthouse Financial
BHF
$3.63B
$2.14M ﹤0.01%
769
-262
-25% -$7.22K

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.