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 | |
|---|---|---|---|---|---|---|
2876
CALL
Kodak
KODK
$806M
| $1.03M | ﹤0.01% |
157,900
+66,500
| +73% | +$316K |
|
2877
CALL
Outfront Media
OUT
$5.64B
| $1.03M | ﹤0.01% |
36,982
-304
| -0.8% | -$7.82K |
|
2878
CALL
Red Rock Resorts
RRR
$3.74B
| $1.03M | ﹤0.01% |
21,300
+10,400
| +95% | +$496K |
|
2879
CALL
Signet Jewelers
SIG
$3.55B
| $1.03M | ﹤0.01% |
14,200
+8,900
| +168% | +$711K |
|
|
QVCGA
2880
CALL
DELISTED
QVC Group Inc Series A
QVCGA
| $1.03M | ﹤0.01% |
4,332
-544
| -11% | -$174K |
|
2881
CALL
Companhia Siderúrgica Nacional
SID
$1.43B
| $1.03M | ﹤0.01% |
190,000
+115,800
| +156% | +$575K |
|
2882
Evolent Health
EVH
$475M
| $1.03M | ﹤0.01% |
+31,812
| New | +$833K |
|
2883
PUT
Playboy Inc
PLBY
$141M
| $1.03M | ﹤0.01% |
78,500
-21,200
| -21% | -$357K |
|
2884
CALL
JELD-WEN Holding
JELD
$94.8M
| $1.03M | ﹤0.01% |
50,600
+50,400
| +25,200% | +$1.19M |
|
2885
CALL
Webster Financial
WBS
$12.3B
| $1.03M | ﹤0.01% |
18,300
+15,200
| +490% | +$902K |
|
2886
PUT
ADT
ADT
$5.16B
| $1.02M | ﹤0.01% |
135,100
+53,800
| +66% | +$409K |
|
2887
PUT
Constellation Energy
CEG
$98B
| $1.02M | ﹤0.01% |
+18,200
| New | +$888K |
|
2888
CALL
Host Hotels & Resorts
HST
$16.8B
| $1.02M | ﹤0.01% |
52,600
+28,300
| +116% | +$511K |
|
2889
Madrigal Pharmaceuticals
MDGL
$12.6B
| $1.02M | ﹤0.01% |
10,421
+5,571
| +115% | +$470K |
|
2890
Rogers Communications
RCI
$17.7B
| $1.02M | ﹤0.01% |
18,023
+11,542
| +178% | +$597K |
|
2891
Simmons First National
SFNC
$3.35B
| $1.02M | ﹤0.01% |
39,008
+14,484
| +59% | +$418K |
|
|
VTNR
2892
PUT
DELISTED
Vertex Energy, Inc
VTNR
| $1.02M | ﹤0.01% |
102,900
+81,900
| +390% | +$501K |
|
2893
Blackstone Mortgage Trust
BXMT
$2.82B
| $1.02M | ﹤0.01% |
+32,130
| New | +$1.01M |
|
2894
CALL
Caleres
CAL
$396M
| $1.02M | ﹤0.01% |
52,800
-62,200
| -54% | -$1.35M |
|
2895
CALL
Ryman Hospitality Properties
RHP
$8.4B
| $1.02M | ﹤0.01% |
11,000
+10,200
| +1,275% | +$909K |
|
|
LGF.B
2896
DELISTED
Lions Gate Entertainment Corp. Class B Non-Voting Shares
LGF.B
| $1.02M | ﹤0.01% |
67,865
+64,664
| +2,020% | +$937K |
|
2897
ProShares UltraShort QQQ
QID
$268M
| $1.02M | ﹤0.01% |
+11,679
| New | +$1.11M |
|
2898
PUT
Alpha Pro Tech
APT
$50.4M
| $1.02M | ﹤0.01% |
242,300
+63,000
| +35% | +$293K |
|
2899
Eaton
ETN
$157B
| $1.02M | ﹤0.01% |
+6,707
| New | +$1.05M |
|
|
ANSS
2900
CALL
DELISTED
Ansys
ANSS
| $1.02M | ﹤0.01% |
3,200
-1,900
| -37% | -$621K |
|
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.