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
|
+$286M |
| 2 |
Vanguard S&P 500 ETF
VOO
|
+$82.3M |
| 3 |
Alphabet (Google) Class A
GOOGL
|
+$72.6M |
| 4 |
Alphabet (Google) Class C
GOOG
|
+$64.2M |
| 5 |
Intel
INTC
|
+$52.9M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
State Street SPDR S&P 500 ETF Trust
SPY
|
+$51.5M |
| 2 |
iShares Silver Trust
SLV
|
+$41.8M |
| 3 |
Ford
F
|
+$26.3M |
| 4 |
United Airlines
UAL
|
+$22.7M |
| 5 |
ExxonMobil
XOM
|
+$22.3M |
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 | |
|---|---|---|---|---|---|---|
3626
PUT
Popular Inc
BPOP
$11B
| $430K | ﹤0.01% |
5,600
+4,000
| +250% | +$318K |
|
3627
PUT
BellRing Brands
BRBR
$1.55B
| $430K | ﹤0.01% |
17,300
+17,200
| +17,200% | +$421K |
|
3628
StoneCo
STNE
$2.67B
| $430K | ﹤0.01% |
55,858
-55,777
| -50% | -$534K |
|
3629
CALL
Telus
TU
$17.4B
| $430K | ﹤0.01% |
19,300
-82,100
| -81% | -$2.03M |
|
3630
Voya Financial
VOYA
$8.96B
| $430K | ﹤0.01% |
7,229
+6,773
| +1,485% | +$436K |
|
3631
Westlake Corp
WLK
$9.26B
| $430K | ﹤0.01% |
4,394
+4,163
| +1,802% | +$510K |
|
|
MTA
3632
PUT
Metalla Royalty & Streaming
MTA
$689M
| $429K | ﹤0.01% |
89,000
-81,300
| -48% | -$473K |
|
|
APRN
3633
CALL
DELISTED
Blue Apron Holdings, Inc. Class A Common Stock
APRN
| $428K | ﹤0.01% |
9,817
+3,017
| +44% | +$123K |
|
3634
AvalonBay Communities
AVB
$27.5B
| $427K | ﹤0.01% |
+2,200
| New | +$476K |
|
3635
Invesco CurrencyShares Japanese Yen Trust
FXY
$427M
| $427K | ﹤0.01% |
6,199
-35,780
| -85% | -$2.58M |
|
3636
CALL
Vontier
VNT
$4.54B
| $427K | ﹤0.01% |
18,600
-59,800
| -76% | -$1.53M |
|
|
NVTA
3637
PUT
DELISTED
Invitae Corporation
NVTA
| $427K | ﹤0.01% |
175,200
+30,700
| +21% | +$136K |
|
3638
CALL
Mitek Systems
MITK
$756M
| $426K | ﹤0.01% |
46,200
-14,300
| -24% | -$152K |
|
3639
PUT
Perdoceo Education
PRDO
$2.17B
| $426K | ﹤0.01% |
36,200
+24,400
| +207% | +$267K |
|
3640
CALL
Agilon Health
AGL
$1.55B
| $425K | ﹤0.01% |
780
+168
| +27% | +$85K |
|
3641
PUT
SSR Mining
SSRM
$5.19B
| $425K | ﹤0.01% |
25,500
-13,500
| -35% | -$279K |
|
|
TMHC
3642
PUT
DELISTED
Taylor Morrison
TMHC
| $425K | ﹤0.01% |
18,200
+14,900
| +452% | +$395K |
|
|
CDR
3643
DELISTED
Cedar Realty Trust, Inc
CDR
| $425K | ﹤0.01% |
14,782
-34,391
| -70% | -$940K |
|
|
ACC
3644
PUT
DELISTED
American Campus Communities, Inc.
ACC
| $425K | ﹤0.01% |
6,600
+4,600
| +230% | +$291K |
|
|
AL
3645
CALL
DELISTED
Air Lease Corp
AL
| $424K | ﹤0.01% |
12,700
-12,000
| -49% | -$455K |
|
|
CVAC
3646
CALL
DELISTED
CureVac
CVAC
| $424K | ﹤0.01% |
31,200
+12,500
| +67% | +$207K |
|
|
HDV
3647
iShares Core High Dividend ETF
HDV
$14.7B
| $424K | ﹤0.01% |
21,125
+20,640
| +4,256% | +$436K |
|
3648
Coeur Mining
CDE
$15.1B
| $423K | ﹤0.01% |
139,362
+23,296
| +20% | +$91.5K |
|
3649
CALL
Clarus
CLAR
$125M
| $423K | ﹤0.01% |
22,300
+22,100
| +11,050% | +$462K |
|
|
MITT
3650
PUT
TPG Mortgage Investment Trust
MITT
$228M
| $423K | ﹤0.01% |
62,700
-25,200
| -29% | -$194K |
|
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.