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 | |
|---|---|---|---|---|---|---|
2326
Eldorado Gold
EGO
$10.4B
| $1.25M | ﹤0.01% |
61,517
+11,464
| +23% | +$223K |
|
2327
PUT
Pegasystems
PEGA
$5.15B
| $1.25M | ﹤0.01% |
+23,100
| New | +$1.05M |
|
2328
PUT
Blackstone Mortgage Trust
BXMT
$2.41B
| $1.25M | ﹤0.01% |
64,900
+24,700
| +61% | +$468K |
|
2329
PUT
Aurora
AUR
$13.4B
| $1.25M | ﹤0.01% |
238,400
+33,900
| +17% | +$213K |
|
2330
CALL
Equity Residential
EQR
$24.2B
| $1.25M | ﹤0.01% |
18,500
-21,700
| -54% | -$1.49M |
|
2331
CALL
Cal-Maine
CALM
$3.86B
| $1.25M | ﹤0.01% |
12,500
-21,000
| -63% | -$2.01M |
|
2332
PUT
Brookfield
BN
$110B
| $1.24M | ﹤0.01% |
30,150
+900
| +3% | +$33.4K |
|
|
2333
CALL
Blackstone Mortgage Trust
BXMT
$2.41B
| $1.24M | ﹤0.01% |
64,500
-28,300
| -30% | -$536K |
|
2334
CALL
AGNC Investment
AGNC
$12.9B
| $1.24M | ﹤0.01% |
135,100
+44,200
| +49% | +$396K |
|
2335
Freshpet
FRPT
$3.48B
| $1.24M | ﹤0.01% |
18,214
-9,693
| -35% | -$757K |
|
|
SERV
2336
CALL
Serve Robotics
SERV
$428M
| $1.24M | ﹤0.01% |
108,100
+55,000
| +104% | +$483K |
|
2337
PUT
Viper Energy
VNOM
$15.2B
| $1.24M | ﹤0.01% |
32,400
+20,500
| +172% | +$829K |
|
2338
CALL
Global X S&P 500 Tail Risk ETF
XTR
$4.99M
| $1.24M | ﹤0.01% |
+20,500
| New | +$546K |
|
2339
CALL
W.R. Berkley
WRB
$25.9B
| $1.23M | ﹤0.01% |
+16,800
| New | +$1.2M |
|
2340
PUT
Impinj
PI
$5.49B
| $1.23M | ﹤0.01% |
11,100
+1,000
| +10% | +$99.4K |
|
2341
Fastly Inc
FSLY
$4.78B
| $1.23M | ﹤0.01% |
174,073
-32,753
| -16% | -$220K |
|
2342
Best Buy
BBY
$17.5B
| $1.23M | ﹤0.01% |
+18,293
| New | +$1.24M |
|
2343
CALL
Ares Capital
ARCC
$14.3B
| $1.23M | ﹤0.01% |
55,900
+43,400
| +347% | +$923K |
|
2344
CALL
Vanguard Global ex-US Real Estate ETF
VNQI
$3.52B
| $1.23M | ﹤0.01% |
24,800
+2,300
| +10% | +$99.3K |
|
2345
UiPath
PATH
$8.64B
| $1.22M | ﹤0.01% |
95,605
-15,430
| -14% | -$185K |
|
2346
Direxion Daily Regional Banks Bull 3X ETF
DPST
$414M
| $1.22M | ﹤0.01% |
+14,044
| New | +$1.04M |
|
2347
PUT
Jack in the Box
JACK
$358M
| $1.22M | ﹤0.01% |
69,800
+22,400
| +47% | +$504K |
|
2348
CALL
Winnebago Industries
WGO
$915M
| $1.22M | ﹤0.01% |
42,000
+7,100
| +20% | +$233K |
|
2349
CALL
Antero Midstream
AM
$10.6B
| $1.22M | ﹤0.01% |
64,200
-38,300
| -37% | -$684K |
|
2350
PUT
WillScot Mobile Mini Holdings
WSC
$4B
| $1.22M | ﹤0.01% |
44,400
+20,900
| +89% | +$557K |
|
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.