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 |
NVIDIA
NVDA
|
+$93M |
| 2 |
Citigroup
C
|
+$74.8M |
| 3 |
Pinduoduo
PDD
|
+$50.7M |
| 4 |
Intel
INTC
|
+$47.1M |
| 5 |
Broadcom
AVGO
|
+$46.2M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
State Street Energy Select Sector SPDR ETF
XLE
|
+$94.5M |
| 2 |
Pfizer
PFE
|
+$66.4M |
| 3 |
Boeing
BA
|
+$61.6M |
| 4 |
PayPal
PYPL
|
+$42.2M |
| 5 |
GE Aerospace
GE
|
+$42M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 0.53% |
| 2 | Consumer Discretionary | 0.29% |
| 3 | Healthcare | 0.21% |
| 4 | Financials | 0.2% |
| 5 | Materials | 0.12% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
3476
Intuit
INTU
$83.1B
| $592K | ﹤0.01% |
901
+485
| +117% | +$301K |
|
3477
Simplify Short Term Treasury Futures Strategy ETF
TUA
$695M
| $592K | ﹤0.01% |
27,785
+18,188
| +190% | +$387K |
|
3478
PUT
Genesis Energy
GEL
$1.81B
| $591K | ﹤0.01% |
41,300
+23,700
| +135% | +$300K |
|
3479
CALL
Glaukos
GKOS
$8.92B
| $591K | ﹤0.01% |
5,000
-4,300
| -46% | -$457K |
|
3480
CALL
NOV
NOV
$7.35B
| $591K | ﹤0.01% |
31,100
-383,700
| -93% | -$7.19M |
|
3481
PUT
Radiant Logistics
RLGT
$415M
| $591K | ﹤0.01% |
104,000
+67,700
| +187% | +$353K |
|
3482
Weibo
WB
$1.92B
| $591K | ﹤0.01% |
76,956
+60,153
| +358% | +$524K |
|
3483
Workiva
WK
$3.13B
| $591K | ﹤0.01% |
8,101
+8,049
| +15,479% | +$633K |
|
|
HUT
3484
Hut 8
HUT
$11.8B
| $590K | ﹤0.01% |
+39,423
| New | +$379K |
|
3485
CALL
Privia Health
PRVA
$3.11B
| $590K | ﹤0.01% |
34,000
-5,800
| -15% | -$103K |
|
3486
Vanguard Energy ETF
VDE
$9.87B
| $590K | ﹤0.01% |
+4,627
| New | +$602K |
|
3487
PUT
Brunswick
BC
$5.24B
| $589K | ﹤0.01% |
8,100
-8,400
| -51% | -$686K |
|
3488
PUT
Howard Hughes
HHH
$3.93B
| $589K | ﹤0.01% |
9,546
+1,888
| +25% | +$118K |
|
3489
Ralph Lauren
RL
$22.6B
| $589K | ﹤0.01% |
+3,370
| New | +$582K |
|
|
SF
3490
CALL
Stifel
SF
$12.5B
| $589K | ﹤0.01% |
10,500
-1,350
| -11% | -$71.5K |
|
3491
Appian
APPN
$1.88B
| $588K | ﹤0.01% |
19,056
+6,095
| +47% | +$200K |
|
3492
Schwab US Dividend Equity ETF
SCHD
$103B
| $588K | ﹤0.01% |
+22,707
| New | +$591K |
|
3493
PUT
ONE Gas
OGS
$5.02B
| $587K | ﹤0.01% |
9,200
+8,200
| +820% | +$514K |
|
3494
Weyerhaeuser
WY
$17.2B
| $587K | ﹤0.01% |
+20,705
| New | +$640K |
|
3495
CALL
AppFolio
APPF
$5.98B
| $586K | ﹤0.01% |
2,400
-300
| -11% | -$69.9K |
|
3496
CALL
Herc Holdings
HRI
$5.34B
| $586K | ﹤0.01% |
4,400
-2,500
| -36% | -$369K |
|
|
APLT
3497
CALL
DELISTED
Applied Therapeutics
APLT
| $585K | ﹤0.01% |
125,300
-245,500
| -66% | -$1.16M |
|
3498
CALL
Vodafone
VOD
$36.4B
| $585K | ﹤0.01% |
66,000
-537,000
| -89% | -$4.79M |
|
3499
CALL
Lazard
LAZ
$4.23B
| $584K | ﹤0.01% |
15,300
-13,900
| -48% | -$543K |
|
3500
Academy Sports + Outdoors
ASO
$3.09B
| $583K | ﹤0.01% |
+10,962
| New | +$623K |
|
Similar funds
Simplex Trading's Q2 2024 Portfolio in Review
As of Q2 2024, Simplex Trading held 10,213 positions worth $162B, down 6.5% from $173B the previous quarter. Its ten largest holdings account for 50% of the portfolio.
Simplex Trading withdrew a net $19.2B in Q2 2024, closing 1,431 positions and reducing 4,061 holdings. Its most notable exit was Boeing, an estimated $61.6M position sold in full.
By sector, the portfolio is most concentrated in Technology at 0.53% of assets, up from 0.38% a quarter earlier, followed by Consumer Discretionary and Healthcare.
Against the trend, Simplex Trading opened a new position in Citigroup worth $77M.
- Simplex Trading's largest Q2 2024 buy was Citigroup: 1,213,247 shares worth $77M.
- Simplex Trading added most to NVIDIA in Q2 2024, an estimated $93M increase.
- Simplex Trading's biggest Q2 2024 reduction was State Street Energy Select Sector SPDR ETF, cutting an estimated $94.5M.
- Simplex Trading fully exited Boeing in Q2 2024, selling an estimated $61.6M.
- Simplex Trading's ten largest holdings make up 50% of its $162B portfolio in Q2 2024.
- Simplex Trading opened 1,358 new positions and closed 1,431 in Q2 2024.
- Simplex Trading's portfolio value fell 6.5% quarter-over-quarter to $162B.
Based on Simplex Trading's 13F filing for Q2 2024, filed 25 Jul 2024.