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 | |
|---|---|---|---|---|---|---|
1426
CALL
DigitalBridge
DBRG
$2.95B
| $4.73M | ﹤0.01% |
457,200
+222,300
| +95% | +$2.12M |
|
1427
PUT
KB Home
KBH
$3.42B
| $4.71M | ﹤0.01% |
89,000
+20,000
| +29% | +$1.06M |
|
1428
SAP
SAP
$242B
| $4.71M | ﹤0.01% |
+15,495
| New | +$4.44M |
|
|
SKX
1429
CALL
DELISTED
Skechers
SKX
| $4.71M | ﹤0.01% |
74,600
-3,300
| -4% | -$189K |
|
1430
PUT
Carrier Global
CARR
$52.2B
| $4.7M | ﹤0.01% |
64,200
-10,200
| -14% | -$692K |
|
1431
CALL
Globe Life
GL
$13.8B
| $4.7M | ﹤0.01% |
37,800
+8,000
| +27% | +$971K |
|
1432
CALL
Intuitive Machines
LUNR
$2.82B
| $4.69M | ﹤0.01% |
431,400
-112,500
| -21% | -$1.1M |
|
1433
CALL
Rockwell Automation
ROK
$50.1B
| $4.68M | ﹤0.01% |
14,100
+3,000
| +27% | +$855K |
|
1434
CALL
ARK 21Shares Bitcoin ETF
ARKB
$2.41B
| $4.68M | ﹤0.01% |
130,700
+52,400
| +67% | +$1.72M |
|
|
FITB
1435
PUT
Fifth Third Bancorp
FITB
$52.6B
| $4.66M | ﹤0.01% |
113,300
+37,900
| +50% | +$1.42M |
|
1436
CALL
HEICO Corp
HEI
$52.1B
| $4.66M | ﹤0.01% |
+14,200
| New | +$3.93M |
|
1437
PUT
Diageo
DEO
$52.8B
| $4.65M | ﹤0.01% |
46,100
+10,100
| +28% | +$1.1M |
|
1438
CALL
Ouster
OUST
$3.25B
| $4.64M | ﹤0.01% |
191,500
+75,500
| +65% | +$918K |
|
1439
PUT
BWX Technologies
BWXT
$15.8B
| $4.64M | ﹤0.01% |
32,200
+21,100
| +190% | +$2.47M |
|
1440
PUT
Starwood Property Trust
STWD
$6.09B
| $4.62M | ﹤0.01% |
230,000
+114,300
| +99% | +$2.22M |
|
1441
CALL
Ovintiv
OVV
$17.5B
| $4.58M | ﹤0.01% |
120,400
-8,500
| -7% | -$312K |
|
1442
PUT
ProShares UltraShort Health Care
RXD
$3.02M
| $4.58M | ﹤0.01% |
65,250
+32,900
| +102% | +$804K |
|
1443
CALL
Factset
FDS
$9.89B
| $4.56M | ﹤0.01% |
+10,200
| New | +$4.47M |
|
1444
CALL
Vanguard S&P 500 Growth ETF
VOOG
$27.4B
| $4.56M | ﹤0.01% |
+69,000
| New | +$4.11M |
|
1445
CALL
SBA Communications
SBAC
$19.8B
| $4.56M | ﹤0.01% |
19,400
-5,100
| -21% | -$1.17M |
|
1446
Direxion Daily Semiconductor Bull 3X ETF
SOXL
$24.8B
| $4.54M | ﹤0.01% |
180,838
+34,312
| +23% | +$552K |
|
1447
CALL
Zions Bancorporation
ZION
$10.5B
| $4.54M | ﹤0.01% |
87,400
+19,500
| +29% | +$915K |
|
1448
CALL
Enbridge
ENB
$112B
| $4.54M | ﹤0.01% |
100,100
-40,400
| -29% | -$1.83M |
|
1449
CALL
Crown Holdings
CCK
$13.1B
| $4.53M | ﹤0.01% |
44,000
+12,900
| +41% | +$1.23M |
|
1450
PUT
Dropbox
DBX
$7.31B
| $4.53M | ﹤0.01% |
158,400
-17,200
| -10% | -$487K |
|
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.