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 | |
|---|---|---|---|---|---|---|
1651
PUT
Polaris
PII
$4.15B
| $3.16M | ﹤0.01% |
30,000
-15,400
| -34% | -$1.75M |
|
|
TE
1652
T1 Energy
TE
$1.4B
| $3.16M | ﹤0.01% |
257,590
+223,006
| +645% | +$2.14M |
|
1653
CALL
Kimbell Royalty Partners
KRP
$1.47B
| $3.16M | ﹤0.01% |
194,100
+164,800
| +562% | +$2.56M |
|
1654
CALL
Realty Income
O
$61.2B
| $3.15M | ﹤0.01% |
58,900
-41,700
| -41% | -$2.83M |
|
1655
Scorpio Tankers
STNG
$3.96B
| $3.15M | ﹤0.01% |
147,423
+25,492
| +21% | +$408K |
|
1656
CALL
Flex
FLEX
$43.4B
| $3.15M | ﹤0.01% |
225,059
+175,429
| +353% | +$2.24M |
|
1657
CALL
Ovintiv
OVV
$17.7B
| $3.15M | ﹤0.01% |
58,200
-121,500
| -68% | -$5.24M |
|
1658
Academy Sports + Outdoors
ASO
$2.89B
| $3.14M | ﹤0.01% |
79,705
+10,157
| +15% | +$372K |
|
1659
CALL
Trimble
TRMB
$12.3B
| $3.14M | ﹤0.01% |
43,500
+11,000
| +34% | +$784K |
|
1660
Ally Financial
ALLY
$13.1B
| $3.13M | ﹤0.01% |
72,063
+47,944
| +199% | +$2.26M |
|
1661
PUT
GDS Holdings
GDS
$6.34B
| $3.13M | ﹤0.01% |
79,800
+30,600
| +62% | +$1.25M |
|
1662
PUT
EVgo
EVGO
$200M
| $3.13M | ﹤0.01% |
243,400
+31,700
| +15% | +$318K |
|
1663
PUT
AngloGold Ashanti
AU
$40.3B
| $3.13M | ﹤0.01% |
132,100
+66,400
| +101% | +$1.44M |
|
1664
PUT
QuidelOrtho
QDEL
$1.09B
| $3.13M | ﹤0.01% |
27,800
+9,000
| +48% | +$959K |
|
1665
PUT
XP
XP
$8.62B
| $3.11M | ﹤0.01% |
103,400
-180,400
| -64% | -$5.63M |
|
1666
CALL
Northern Trust
NTRS
$22.2B
| $3.11M | ﹤0.01% |
26,700
+25,400
| +1,954% | +$3.01M |
|
|
MMP
1667
DELISTED
Magellan Midstream Partners, L.P.
MMP
| $3.11M | ﹤0.01% |
63,331
+42,152
| +199% | +$2.04M |
|
|
DISH
1668
DELISTED
DISH Network Corp.
DISH
| $3.1M | ﹤0.01% |
98,058
+78,974
| +414% | +$2.5M |
|
1669
CALL
Clear Secure
YOU
$5.26B
| $3.1M | ﹤0.01% |
115,400
+109,600
| +1,890% | +$2.72M |
|
|
AZUL
1670
PUT
DELISTED
Azul
AZUL
| $3.1M | ﹤0.01% |
205,800
-10,200
| -5% | -$146K |
|
1671
PUT
GlobalFoundries
GFS
$29.4B
| $3.08M | ﹤0.01% |
49,400
+13,400
| +37% | +$790K |
|
|
VISN
1672
CALL
Vistance Networks Inc
VISN
$2.66B
| $3.08M | ﹤0.01% |
390,500
+60,000
| +18% | +$549K |
|
1673
PUT
Universal Display
OLED
$3.71B
| $3.07M | ﹤0.01% |
18,400
-1,300
| -7% | -$202K |
|
1674
Tower Semiconductor
TSEM
$26.4B
| $3.07M | ﹤0.01% |
63,459
+52,914
| +502% | +$2.23M |
|
1675
CALL
Oshkosh
OSK
$9.67B
| $3.07M | ﹤0.01% |
30,500
+4,900
| +19% | +$551K |
|
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.