We are live on ! Find out more
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
-17.92%
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
$94.1B
AUM Growth
-$15.3B
Cap. Flow
+$11.3B
Cap. Flow %
12.02%
Top 10 Hldgs %
40.12%
Holding
11,810
New
1,405
Increased
4,027
Reduced
4,289
Closed
1,792

Sector Composition

Rank Sector Weight
1 Technology 0.84%
2 Communication Services 0.32%
3 Consumer Discretionary 0.32%
4 Financials 0.28%
5 Healthcare 0.2%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
MGIC
3051
PUT
DELISTED
Magic Software Enterprises
MGIC
$691K ﹤0.01%
38,900
+33,900
+678% +$581K
CINF icon
3052
PUT
Cincinnati Financial
CINF
$28.3B
$690K ﹤0.01%
5,800
+3,300
+132% +$419K
ZTS icon
3053
Zoetis
ZTS
$32.5B
$690K ﹤0.01%
4,017
-12,080
-75% -$2.09M
FNKO icon
3054
PUT
Funko
FNKO
$355M
$689K ﹤0.01%
30,900
+18,000
+140% +$348K
OGN icon
3055
PUT
Organon & Co
OGN
$3.55B
$688K ﹤0.01%
20,400
+2,600
+15% +$91.1K
SNV
3056
PUT
DELISTED
Synovus
SNV
$688K ﹤0.01%
19,100
+14,800
+344% +$612K
LEAP
3057
PUT
DELISTED
Ribbit LEAP, Ltd.
LEAP
$688K ﹤0.01%
69,500
-18,900
-21% -$187K
NETI
3058
PUT
DELISTED
Eneti Inc.
NETI
$687K ﹤0.01%
111,900
+24,600
+28% +$158K
BEAM icon
3059
PUT
Beam Therapeutics
BEAM
$2.7B
$685K ﹤0.01%
17,700
+4,300
+32% +$171K
IVW icon
3060
iShares S&P 500 Growth ETF
IVW
$71.9B
$685K ﹤0.01%
11,360
-9,399
-45% -$622K
KREF
3061
CALL
KKR Real Estate Finance Trust
KREF
$471M
$685K ﹤0.01%
39,300
+12,100
+44% +$233K
NLY icon
3062
Annaly Capital Management
NLY
$17.4B
$684K ﹤0.01%
+28,947
New +$750K
CRON
3063
Cronos Group
CRON
$1.06B
$682K ﹤0.01%
242,075
+9,227
+4% +$28.8K
EGY icon
3064
CALL
Vaalco Energy
EGY
$540M
$682K ﹤0.01%
98,400
-24,700
-20% -$177K
OLLI icon
3065
PUT
Ollie's Bargain Outlet
OLLI
$4.17B
$681K ﹤0.01%
11,600
-4,800
-29% -$243K
TGTX icon
3066
TG Therapeutics
TGTX
$8.4B
$681K ﹤0.01%
160,409
-2,490
-2% -$15.5K
VRE
3067
CALL
DELISTED
Veris Residential
VRE
$681K ﹤0.01%
51,500
-100
-0.2% -$1.55K
ESPR
3068
PUT
DELISTED
Esperion Therapeutics
ESPR
$679K ﹤0.01%
106,900
+100,800
+1,652% +$572K
IPG
3069
CALL
DELISTED
Interpublic Group of Companies
IPG
$679K ﹤0.01%
24,700
-12,800
-34% -$406K
SIG icon
3070
Signet Jewelers
SIG
$3.81B
$679K ﹤0.01%
12,707
+8,276
+187% +$540K
ARC
3071
CALL
DELISTED
ARC Document Solutions, Inc.
ARC
$679K ﹤0.01%
258,500
-11,000
-4% -$35.8K
AVPT icon
3072
CALL
AvePoint
AVPT
$2.74B
$678K ﹤0.01%
156,400
+19,800
+14% +$101K
BZUN
3073
CALL
Baozun
BZUN
$168M
$678K ﹤0.01%
62,000
+11,700
+23% +$103K
TDW icon
3074
Tidewater
TDW
$3.71B
$676K ﹤0.01%
32,066
-334
-1% -$7.68K
MUSA icon
3075
CALL
Murphy USA
MUSA
$11.1B
$675K ﹤0.01%
2,900
+2,700
+1,350% +$637K

Similar funds

Simplex Trading's Q2 2022 Portfolio in Review

As of Q2 2022, Simplex Trading held 11,810 positions worth $94.1B, down 14% from $109B the previous quarter. Its ten largest holdings account for 40% of the portfolio.

Simplex Trading deployed $11.3B of net new capital in Q2 2022, opening 1,405 new positions and adding to 4,027 existing holdings. Its largest new stake was Alphabet (Google) Class C: 543,540 shares worth $59.4M.

By sector, the portfolio is most concentrated in Technology at 0.84% of assets, up from 0.67% a quarter earlier, followed by Communication Services and Consumer Discretionary.

On the sell side, the largest reduction was United Airlines, an estimated $22.7M trimmed.

  • Simplex Trading's largest Q2 2022 buy was Alphabet (Google) Class C: 543,540 shares worth $59.4M.
  • Simplex Trading added most to Apple in Q2 2022, an estimated $286M increase.
  • Simplex Trading's biggest Q2 2022 reduction was United Airlines, cutting an estimated $22.7M.
  • Simplex Trading fully exited State Street SPDR S&P 500 ETF Trust in Q2 2022, selling an estimated $51.5M.
  • Simplex Trading's ten largest holdings make up 40% of its $94.1B portfolio in Q2 2022.
  • Simplex Trading opened 1,405 new positions and closed 1,792 in Q2 2022.
  • Simplex Trading's portfolio value fell 14% quarter-over-quarter to $94.1B.

Based on Simplex Trading's 13F filing for Q2 2022, filed 3 Aug 2022.