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 |
Apple
AAPL
|
+$179M |
| 2 |
iShares 20+ Year Treasury Bond ETF
TLT
|
+$90.1M |
| 3 |
State Street SPDR S&P 500 ETF Trust
SPY
|
+$56M |
| 4 |
iShares Silver Trust
SLV
|
+$41.7M |
| 5 |
Advanced Micro Devices
AMD
|
+$39.8M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
State Street Financial Select Sector SPDR ETF
XLF
|
+$42.8M |
| 2 |
Verizon
VZ
|
+$42.5M |
| 3 |
Occidental Petroleum
OXY
|
+$34.7M |
| 4 |
iShares China Large-Cap ETF
FXI
|
+$33M |
| 5 |
Direxion Daily S&P 500 Bull 3x ETF
SPXL
|
+$32.7M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 0.67% |
| 2 | Consumer Discretionary | 0.37% |
| 3 | Industrials | 0.24% |
| 4 | Healthcare | 0.22% |
| 5 | Financials | 0.19% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
2951
CALL
JB Hunt Transport Services
JBHT
$27.1B
| $983K | ﹤0.01% |
4,900
-7,300
| -60% | -$1.45M |
|
2952
CALL
Ouster
OUST
$2.29B
| $982K | ﹤0.01% |
21,830
+3,160
| +17% | +$117K |
|
2953
CALL
Brighthouse Financial
BHF
$3.63B
| $981K | ﹤0.01% |
19,000
+3,800
| +25% | +$203K |
|
2954
CALL
Katapult Holdings
KPLT
$32.8M
| $980K | ﹤0.01% |
16,472
+5,504
| +50% | +$324K |
|
2955
PUT
USA Compression Partners
USAC
$3.82B
| $977K | ﹤0.01% |
55,500
+19,500
| +54% | +$333K |
|
2956
PUT
Pool Corp
POOL
$6.7B
| $972K | ﹤0.01% |
2,300
-6,800
| -75% | -$3.18M |
|
|
WOW
2957
DELISTED
WideOpenWest
WOW
| $969K | ﹤0.01% |
+55,592
| New | +$1.03M |
|
2958
CALL
Mattel
MAT
$4.17B
| $968K | ﹤0.01% |
43,600
+9,200
| +27% | +$210K |
|
2959
PUT
Amneal Pharmaceuticals
AMRX
$5.72B
| $966K | ﹤0.01% |
231,800
-15,600
| -6% | -$69.1K |
|
2960
PUT
Global Ship Lease
GSL
$1.57B
| $965K | ﹤0.01% |
33,900
+27,300
| +414% | +$716K |
|
2961
PUT
Vornado Realty Trust
VNO
$7.47B
| $965K | ﹤0.01% |
21,300
-2,200
| -9% | -$96.3K |
|
2962
Direxion Daily Gold Miners Index Bull 2X ETF
NUGT
$863M
| $963K | ﹤0.01% |
13,604
-9,626
| -41% | -$547K |
|
2963
PUT
Vanguard Short-Term Treasury ETF
VGSH
$29.3B
| $963K | ﹤0.01% |
12,600
+7,400
| +142% | +$445K |
|
|
JPGE
2964
CALL
DELISTED
JPMorgan Diversified Return Global Equity ETF
JPGE
| $963K | ﹤0.01% |
16,300
+7,100
| +77% | +$419K |
|
2965
CALL
OneMain Financial
OMF
$6.9B
| $962K | ﹤0.01% |
20,300
-5,200
| -20% | -$259K |
|
|
ONEM
2966
PUT
DELISTED
1Life Healthcare
ONEM
| $961K | ﹤0.01% |
86,800
+18,900
| +28% | +$212K |
|
2967
CALL
Ginkgo Bioworks
DNA
$481M
| $960K | ﹤0.01% |
5,960
-1,028
| -15% | -$200K |
|
2968
PUT
Retractable Technologies
RVP
$20.4M
| $960K | ﹤0.01% |
202,300
+167,700
| +485% | +$870K |
|
|
SWN
2969
PUT
DELISTED
Southwestern Energy Company
SWN
| $960K | ﹤0.01% |
133,900
-45,300
| -25% | -$228K |
|
2970
PUT
Omnicom Group
OMC
$22.7B
| $959K | ﹤0.01% |
11,300
-10,000
| -47% | -$804K |
|
|
GBT
2971
PUT
DELISTED
Global Blood Therapeutics, Inc.
GBT
| $959K | ﹤0.01% |
27,700
+16,800
| +154% | +$502K |
|
2972
CALL
Paysafe
PSFE
$407M
| $958K | ﹤0.01% |
23,558
-7,892
| -25% | -$326K |
|
2973
CALL
Funko
FNKO
$323M
| $957K | ﹤0.01% |
55,500
-14,200
| -20% | -$248K |
|
2974
CALL
Kyndryl
KD
$2.66B
| $957K | ﹤0.01% |
73,000
+49,400
| +209% | +$744K |
|
2975
CALL
LiveRamp
RAMP
$2.29B
| $957K | ﹤0.01% |
25,600
+24,500
| +2,227% | +$1.02M |
|
Similar funds
Simplex Trading's Q1 2022 Portfolio in Review
As of Q1 2022, Simplex Trading held 12,038 positions worth $109B, up 10% from $99B the previous quarter. Its ten largest holdings account for 37% of the portfolio.
Simplex Trading deployed $17.5B of net new capital in Q1 2022, opening 1,603 new positions and adding to 4,441 existing holdings. Its largest new stake was iShares 20+ Year Treasury Bond ETF: 652,921 shares worth $86.2M.
By sector, the portfolio is most concentrated in Technology at 0.67% of assets, up from 0.61% a quarter earlier, followed by Consumer Discretionary and Industrials.
On the sell side, the largest reduction was Verizon, an estimated $42.5M trimmed.
- Simplex Trading's largest Q1 2022 buy was iShares 20+ Year Treasury Bond ETF: 652,921 shares worth $86.2M.
- Simplex Trading added most to Apple in Q1 2022, an estimated $179M increase.
- Simplex Trading's biggest Q1 2022 reduction was Verizon, cutting an estimated $42.5M.
- Simplex Trading fully exited State Street Financial Select Sector SPDR ETF in Q1 2022, selling an estimated $42.8M.
- Simplex Trading's ten largest holdings make up 37% of its $109B portfolio in Q1 2022.
- Simplex Trading opened 1,603 new positions and closed 1,637 in Q1 2022.
- Simplex Trading's portfolio value rose 10% quarter-over-quarter to $109B.
Based on Simplex Trading's 13F filing for Q1 2022, filed 2 May 2022.