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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
+6.28%
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
$91.9B
AUM Growth
+$3.47B
Cap. Flow
+$1.91B
Cap. Flow %
2.08%
Top 10 Hldgs %
34.1%
Holding
11,206
New
1,219
Increased
3,365
Reduced
4,370
Closed
1,942

Top Buys

Rank Stock Value
1
AMZN icon
Amazon
AMZN
+$170M
2
QQQ icon
Invesco QQQ Trust
QQQ
+$71.3M
3
T icon
AT&T
T
+$44.2M
4
META icon
Meta Platforms (Facebook)
META
+$37.1M
5
EEM icon
iShares MSCI Emerging Markets ETF
EEM
+$34.4M

Top Sells

Rank Stock Value
1
MSFT icon
Microsoft
MSFT
+$94.3M
2
JPM icon
JPMorgan Chase
JPM
+$68.2M
3
C icon
Citigroup
C
+$62.8M
4
BRK.B icon
Berkshire Hathaway Class B
BRK.B
+$50.9M
5
GLD icon
SPDR Gold Trust
GLD
+$46.3M

Sector Composition

Rank Sector Weight
1 Consumer Discretionary 0.38%
2 Technology 0.35%
3 Communication Services 0.24%
4 Healthcare 0.2%
5 Consumer Staples 0.13%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
EVAX
9476
PUT
Evaxion A/S
EVAX
$24.7M
– –
-56
Closed -$7K
EVC icon
9477
CALL
Entravision Communication
EVC
$983M
– –
-3,800
Closed -$15K
EVCM icon
9478
CALL
EverCommerce
EVCM
$2.05B
– –
-100
Closed -$1K
EVCM icon
9479
EverCommerce
EVCM
$2.05B
– –
-100
Closed -$764
EVCM icon
9480
PUT
EverCommerce
EVCM
$2.05B
– –
-300
Closed -$3K
EVER icon
9481
EverQuote
EVER
$886M
– –
-21,302
Closed -$200K
EVGN icon
9482
Evogene
EVGN
$6.57M
$0 ﹤0.01%
68
+20
+42% +$141
EVLV icon
9483
Evolv Technologies
EVLV
$943M
– –
-46,757
Closed -$138K
EVR icon
9484
CALL
Evercore
EVR
$13.1B
– –
-100
Closed -$8K
EVR icon
9485
Evercore
EVR
$13.1B
– –
-162
Closed -$16.9K
EVTC icon
9486
CALL
Evertec
EVTC
$1.83B
– –
-100
Closed -$3K
EWA icon
9487
iShares MSCI Australia ETF
EWA
$1.34B
– –
-4,864
Closed -$106K
EWC icon
9488
iShares MSCI Canada ETF
EWC
$6.04B
– –
-153,920
Closed -$4.73M
EWJ icon
9489
iShares MSCI Japan ETF
EWJ
$21.7B
– –
-95,440
Closed -$4.66M
EWP icon
9490
iShares MSCI Spain ETF
EWP
$1.98B
– –
-23,504
Closed -$465K
EWUS icon
9491
iShares MSCI United Kingdom Small-Cap ETF
EWUS
$41.2M
– –
-1,039
Closed -$26K
EWV icon
9492
ProShares Trust UltraShort MSCI Japan
EWV
$5.92M
– –
-257
Closed -$23K
EXFY icon
9493
Expensify
EXFY
$166M
$0 ﹤0.01%
+113
New +$1.26K
EXEL icon
9494
Exelixis
EXEL
$13.9B
– –
-15,775
Closed -$257K
EXP icon
9495
Eagle Materials
EXP
$6.6B
– –
-2,241
Closed -$283K
EXP icon
9496
PUT
Eagle Materials
EXP
$6.6B
– –
-2,600
Closed -$278K
HYPD
9497
Hyperion DeFi Inc
HYPD
$38M
– –
-42
Closed -$6K
EYPT icon
9498
PUT
EyePoint Inc
EYPT
$1.02B
– –
-1,000
Closed -$7K
EZU icon
9499
iShare MSCI Eurozone ETF
EZU
$9.41B
– –
-3,590
Closed -$114K
FAN icon
9500
CALL
First Trust Global Wind Energy ETF
FAN
$281M
– –
-200
Closed -$3K
378 379
380
381 382

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Simplex Trading's Q4 2022 Portfolio in Review

As of Q4 2022, Simplex Trading held 11,206 positions worth $91.9B, up 3.9% from $88.5B the previous quarter. Its ten largest holdings account for 34% of the portfolio.

Simplex Trading's Q4 2022 filing shows 1,219 new, 3,365 increased, 4,370 reduced and 1,942 closed positions. Its largest new stake was iShares MSCI Emerging Markets ETF: 932,756 shares worth $35.4M. The largest sale was Microsoft, an estimated $94.3M.

By sector, the portfolio is most concentrated in Consumer Discretionary at 0.38% of assets, up from 0.3% a quarter earlier, followed by Technology and Communication Services.

  • Simplex Trading's largest Q4 2022 buy was iShares MSCI Emerging Markets ETF: 932,756 shares worth $35.4M.
  • Simplex Trading added most to Amazon in Q4 2022, an estimated $170M increase.
  • Simplex Trading's biggest Q4 2022 reduction was Microsoft, cutting an estimated $94.3M.
  • Simplex Trading fully exited JPMorgan Chase in Q4 2022, selling an estimated $68.2M.
  • Simplex Trading's ten largest holdings make up 34% of its $91.9B portfolio in Q4 2022.
  • Simplex Trading opened 1,219 new positions and closed 1,942 in Q4 2022.
  • Simplex Trading's portfolio value rose 3.9% quarter-over-quarter to $91.9B.

Based on Simplex Trading's 13F filing for Q4 2022, filed 2 Feb 2023.