IMC Chicago Portfolio holdings
IMC-Chicago, a key arm of IMC Trading founded in 1989 by Rob Defares and René Schelvis in Amsterdam, is a proprietary trading firm and market maker headquartered in Chicago since opening its first overseas office there in 2000. Employing over 650 of IMC’s 1,600+ global workforce, it operates at the heart of North America’s financial hub, trading equities, options, futures, and other derivatives on major exchanges like the Chicago Mercantile Exchange (CME) and Chicago Board Options Exchange (CBOE). Known for its technology-driven approach, IMC-Chicago leverages advanced algorithms and low-latency systems to provide liquidity across more than 100 global venues, evolving from a trading outfit with strong tech to a tech company that trades. Under CEO Rob Defares, the firm emphasizes innovation, quantitative strategies, and a collaborative culture, making it a powerhouse in the U.S. derivatives market.
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
iShares Bitcoin Trust
IBIT
|
+$232M |
| 2 |
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
|
+$168M |
| 3 |
Apple
AAPL
|
+$149M |
| 4 |
State Street Financial Select Sector SPDR ETF
XLF
|
+$136M |
| 5 |
UnitedHealth
UNH
|
+$110M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Invesco QQQ Trust
QQQ
|
+$153M |
| 2 |
iShares Russell 2000 ETF
IWM
|
+$127M |
| 3 |
Advanced Micro Devices
AMD
|
+$97.1M |
| 4 |
TSMC
TSM
|
+$65.3M |
| 5 |
SPYM
State Street SPDR Portfolio S&P 500 ETF
SPYM
|
+$57.6M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 0.32% |
| 2 | Consumer Discretionary | 0.25% |
| 3 | Healthcare | 0.13% |
| 4 | Communication Services | 0.1% |
| 5 | Financials | 0.1% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
1351
Palo Alto Networks
PANW
$323B
| $5.34M | ﹤0.01% |
+26,084
| New | +$4.84M |
|
1352
PUT
DuPont de Nemours
DD
$19.5B
| $5.34M | ﹤0.01% |
61,981
+32,903
| +113% | +$2.73M |
|
1353
PUT
Grayscale Bitcoin Trust
GBTC
$9.51B
| $5.34M | ﹤0.01% |
62,900
+12,700
| +25% | +$988K |
|
|
FITB
1354
CALL
Fifth Third Bancorp
FITB
$52.6B
| $5.33M | ﹤0.01% |
129,600
-23,700
| -15% | -$889K |
|
1355
Fluor
FLR
$6.96B
| $5.32M | ﹤0.01% |
+103,850
| New | +$4.14M |
|
1356
CALL
Texas Roadhouse
TXRH
$14.1B
| $5.32M | ﹤0.01% |
28,400
-2,300
| -7% | -$413K |
|
1357
PUT
Diamondback Energy
FANG
$55.9B
| $5.32M | ﹤0.01% |
38,700
+21,500
| +125% | +$2.98M |
|
1358
Deckers Outdoor
DECK
$12.7B
| $5.32M | ﹤0.01% |
+51,569
| New | +$5.71M |
|
1359
PUT
UiPath
PATH
$8.64B
| $5.31M | ﹤0.01% |
414,600
-161,400
| -28% | -$1.94M |
|
1360
CALL
Alnylam Pharmaceuticals
ALNY
$30B
| $5.28M | ﹤0.01% |
16,200
-5,100
| -24% | -$1.41M |
|
1361
PUT
2x Bitcoin ETF
BITX
$862M
| $5.21M | ﹤0.01% |
96,500
+45,200
| +88% | +$2.17M |
|
1362
Teladoc Health
TDOC
$1.26B
| $5.21M | ﹤0.01% |
597,848
+377,530
| +171% | +$2.74M |
|
1363
PUT
Copart
CPRT
$27.2B
| $5.2M | ﹤0.01% |
106,000
+48,900
| +86% | +$2.74M |
|
1364
CALL
Vail Resorts
MTN
$5.29B
| $5.2M | ﹤0.01% |
33,100
+3,300
| +11% | +$490K |
|
1365
CALL
Rio Tinto
RIO
$160B
| $5.19M | ﹤0.01% |
89,000
+55,600
| +166% | +$3.28M |
|
1366
PUT
Lumentum
LITE
$78B
| $5.19M | ﹤0.01% |
54,600
+10,500
| +24% | +$745K |
|
1367
PUT
Doximity
DOCS
$4.74B
| $5.19M | ﹤0.01% |
84,600
-35,400
| -30% | -$1.98M |
|
1368
CALL
Canadian Pacific Kansas City
CP
$81.5B
| $5.18M | ﹤0.01% |
65,300
-7,300
| -10% | -$562K |
|
1369
PUT
Matador Resources
MTDR
$6.5B
| $5.16M | ﹤0.01% |
108,100
+47,800
| +79% | +$2.11M |
|
1370
PUT
Targa Resources
TRGP
$57.6B
| $5.15M | ﹤0.01% |
29,600
+2,600
| +10% | +$437K |
|
1371
PUT
Ollie's Bargain Outlet
OLLI
$4.73B
| $5.15M | ﹤0.01% |
39,100
-14,600
| -27% | -$1.67M |
|
1372
CALL
Synchrony
SYF
$25.8B
| $5.15M | ﹤0.01% |
77,200
+4,100
| +6% | +$229K |
|
1373
Wingstop
WING
$3.05B
| $5.15M | ﹤0.01% |
+15,286
| New | +$4.52M |
|
1374
CALL
BellRing Brands
BRBR
$1.26B
| $5.14M | ﹤0.01% |
+88,800
| New | +$5.92M |
|
1375
CALL
MasTec
MTZ
$22.6B
| $5.13M | ﹤0.01% |
30,100
+5,700
| +23% | +$821K |
|
Similar funds
IMC Chicago's Q2 2025 Portfolio in Review
As of Q2 2025, IMC Chicago held 3,685 positions worth $225B, up 27% from $177B the previous quarter. Its ten largest holdings account for 42% of the portfolio.
IMC Chicago deployed $13.1B of net new capital in Q2 2025, opening 615 new positions and adding to 1,602 existing holdings. Its largest new stake was iShares Bitcoin Trust: 4,132,010 shares worth $253M.
By sector, the portfolio is most concentrated in Technology at 0.32% of assets, up from 0.28% a quarter earlier, followed by Consumer Discretionary and Healthcare.
On the sell side, the largest reduction was Invesco QQQ Trust, an estimated $153M trimmed.
- IMC Chicago's largest Q2 2025 buy was iShares Bitcoin Trust: 4,132,010 shares worth $253M.
- IMC Chicago added most to Sprott Physical Gold in Q2 2025, an estimated $77.8M increase.
- IMC Chicago's biggest Q2 2025 reduction was Invesco QQQ Trust, cutting an estimated $153M.
- IMC Chicago fully exited Advanced Micro Devices in Q2 2025, selling an estimated $97.1M.
- IMC Chicago's ten largest holdings make up 42% of its $225B portfolio in Q2 2025.
- IMC Chicago opened 615 new positions and closed 423 in Q2 2025.
- IMC Chicago's portfolio value rose 27% quarter-over-quarter to $225B.
Based on IMC Chicago's 13F filing for Q2 2025, filed 22 Jul 2025.