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 | |
|---|---|---|---|---|---|---|
2426
CALL
Allegiant Air
ALGT
$2.36B
| $1.07M | ﹤0.01% |
19,500
+200
| +1% | +$10.3K |
|
2427
PUT
Listed Funds Trust Roundhill Magnificent Seven ETF
MAGS
$4.2B
| $1.07M | ﹤0.01% |
19,300
-11,900
| -38% | -$588K |
|
2428
JFrog
FROG
$11.5B
| $1.07M | ﹤0.01% |
+24,384
| New | +$927K |
|
2429
Lemonade
LMND
$4.1B
| $1.07M | ﹤0.01% |
24,349
+11,838
| +95% | +$394K |
|
2430
CALL
Louisiana-Pacific
LPX
$5.18B
| $1.07M | ﹤0.01% |
12,400
-5,300
| -30% | -$471K |
|
2431
PUT
Omnicom Group
OMC
$24.2B
| $1.06M | ﹤0.01% |
14,800
+1,200
| +9% | +$88.6K |
|
2432
Alcoa
AA
$13.1B
| $1.06M | ﹤0.01% |
36,079
-80,000
| -69% | -$2.16M |
|
2433
CALL
Vermilion Energy
VET
$1.72B
| $1.06M | ﹤0.01% |
146,000
+19,800
| +16% | +$135K |
|
2434
Amplify Junior Silver Miners ETF
SILJ
$3.89B
| $1.06M | ﹤0.01% |
71,770
-104,721
| -59% | -$1.36M |
|
2435
CALL
ProShares Ultra Bitcoin ETF
BITU
$341M
| $1.06M | ﹤0.01% |
20,500
+5,200
| +34% | +$236K |
|
2436
CALL
Procept Biorobotics
PRCT
$1.26B
| $1.06M | ﹤0.01% |
18,400
-8,200
| -31% | -$464K |
|
2437
CALL
Amkor Technology
AMKR
$14.3B
| $1.06M | ﹤0.01% |
50,400
-16,100
| -24% | -$297K |
|
|
PRMB
2438
CALL
Primo Brands
PRMB
$8.97B
| $1.06M | ﹤0.01% |
35,700
+25,400
| +247% | +$812K |
|
2439
CALL
Star Bulk Carriers
SBLK
$3.21B
| $1.06M | ﹤0.01% |
61,300
+32,000
| +109% | +$498K |
|
2440
CALL
Trupanion
TRUP
$1.36B
| $1.06M | ﹤0.01% |
19,100
-9,400
| -33% | -$416K |
|
|
IRBT
2441
CALL
DELISTED
iRobot
IRBT
| $1.06M | ﹤0.01% |
337,400
+82,800
| +33% | +$229K |
|
2442
CALL
Sunoco
SUN
$14B
| $1.06M | ﹤0.01% |
19,700
+3,900
| +25% | +$215K |
|
|
PR
2443
CALL
Permian Resources
PR
$17.7B
| $1.06M | ﹤0.01% |
77,500
-76,600
| -50% | -$985K |
|
|
GLXY
2444
Galaxy Digital Inc
GLXY
$4.07B
| $1.05M | ﹤0.01% |
+48,111
| New | +$977K |
|
|
CHYM
2445
CALL
Chime Financial
CHYM
$12.2B
| $1.05M | ﹤0.01% |
+30,400
| New | +$1M |
|
2446
ProShares Ultra Industrials
UXI
$32.9M
| $1.04M | ﹤0.01% |
24,223
-23,312
| -49% | -$869K |
|
2447
PUT
RingCentral
RNG
$5.66B
| $1.04M | ﹤0.01% |
36,700
-11,400
| -24% | -$294K |
|
2448
CALL
BioMarin Pharmaceuticals
BMRN
$13.3B
| $1.04M | ﹤0.01% |
18,900
-900
| -5% | -$53K |
|
2449
XPeng
XPEV
$11.3B
| $1.04M | ﹤0.01% |
+58,098
| New | +$1.13M |
|
2450
CALL
Redwire
RDW
$3.3B
| $1.04M | ﹤0.01% |
63,700
+29,700
| +87% | +$387K |
|
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.