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 | |
|---|---|---|---|---|---|---|
2401
GraniteShares 2x Long MSFT Daily ETF
MSFL
$100M
| $1.12M | ﹤0.01% |
37,176
+8,900
| +31% | +$209K |
|
2402
CALL
Timken Company
TKR
$9.1B
| $1.12M | ﹤0.01% |
+15,400
| New | +$1.05M |
|
|
HUT
2403
Hut 8
HUT
$10.2B
| $1.11M | ﹤0.01% |
59,826
-19,218
| -24% | -$287K |
|
2404
PUT
Surgery Partners
SGRY
$1.99B
| $1.11M | ﹤0.01% |
+49,800
| New | +$1.11M |
|
2405
PennyMac Financial
PFSI
$4.13B
| $1.1M | ﹤0.01% |
11,084
-12,460
| -53% | -$1.21M |
|
2406
PUT
Western Union
WU
$2.34B
| $1.1M | ﹤0.01% |
131,100
+109,800
| +515% | +$1.04M |
|
2407
PUT
Rithm Capital
RITM
$5.79B
| $1.1M | ﹤0.01% |
97,400
+3,200
| +3% | +$35.3K |
|
|
GES
2408
CALL
DELISTED
Guess Inc
GES
| $1.1M | ﹤0.01% |
90,600
+48,700
| +116% | +$544K |
|
|
CNR
2409
CALL
Core Natural Resources Inc
CNR
$4.64B
| $1.09M | ﹤0.01% |
15,700
-500
| -3% | -$35.6K |
|
2410
Edison International
EIX
$27.2B
| $1.09M | ﹤0.01% |
+21,211
| New | +$1.16M |
|
2411
Direxion Daily GOOGL Bear 1X ETF
GGLS
$16.1M
| $1.09M | ﹤0.01% |
+8,816
| New | +$1.2M |
|
2412
PUT
SLM Corp
SLM
$5.22B
| $1.09M | ﹤0.01% |
33,300
-23,800
| -42% | -$728K |
|
2413
CALL
Bitdeer Technologies
BTDR
$2.38B
| $1.09M | ﹤0.01% |
95,000
+23,100
| +32% | +$267K |
|
2414
PUT
PagSeguro Digital
PAGS
$2.43B
| $1.09M | ﹤0.01% |
113,100
-58,500
| -34% | -$527K |
|
2415
PUT
Vanguard World Funds Extended Duration ETF
EDV
$3.49B
| $1.09M | ﹤0.01% |
16,200
-3,000
| -16% | -$198K |
|
|
GTM
2416
PUT
ZoomInfo Technologies
GTM
$1.25B
| $1.09M | ﹤0.01% |
107,700
-119,100
| -53% | -$1.1M |
|
2417
CALL
BlackSky Technology
BKSY
$1.27B
| $1.09M | ﹤0.01% |
+52,900
| New | +$570K |
|
2418
PUT
New Oriental
EDU
$8.33B
| $1.08M | ﹤0.01% |
20,100
-6,700
| -25% | -$318K |
|
2419
PUT
DigitalBridge
DBRG
$2.94B
| $1.08M | ﹤0.01% |
104,600
+60,700
| +138% | +$579K |
|
|
ZK
2420
CALL
DELISTED
Zeekr
ZK
| $1.08M | ﹤0.01% |
42,400
-12,500
| -23% | -$308K |
|
2421
PUT
Deutsche Bank
DB
$72.1B
| $1.08M | ﹤0.01% |
36,900
-34,900
| -49% | -$922K |
|
2422
PUT
Global X S&P 500 Tail Risk ETF
XTR
$4.99M
| $1.08M | ﹤0.01% |
+17,900
| New | +$476K |
|
2423
CALL
TechnipFMC
FTI
$30.1B
| $1.08M | ﹤0.01% |
31,300
-5,400
| -15% | -$163K |
|
2424
PUT
Exelixis
EXEL
$12.5B
| $1.08M | ﹤0.01% |
24,400
+11,900
| +95% | +$476K |
|
2425
ProShares UltraShort Bloomberg Crude Oil
SCO
$605M
| $1.07M | ﹤0.01% |
14,849
+7,863
| +113% | +$615K |
|
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.