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 | |
|---|---|---|---|---|---|---|
451
PUT
Proshares UltraShort Technology
REW
$3.85M
| $40.6M | 0.02% |
515,850
+136,450
| +36% | +$5.51M |
|
452
PepsiCo
PEP
$189B
| $40.5M | 0.02% |
+306,616
| New | +$41.3M |
|
453
CALL
State Street SPDR S&P MIDCAP 400 ETF Trust
MDY
$27.1B
| $40.3M | 0.02% |
71,100
+21,500
| +43% | +$11.5M |
|
|
KFYP
454
PUT
DELISTED
KraneShares CICC China Leaders 100 Index ETF
KFYP
| $40.2M | 0.02% |
1,177,700
-591,200
| -33% | -$20.2M |
|
455
PUT
Verizon
VZ
$196B
| $40.2M | 0.02% |
928,200
+252,200
| +37% | +$10.9M |
|
456
PUT
Charter Communications
CHTR
$18.8B
| $40.1M | 0.02% |
98,100
-11,400
| -10% | -$4.36M |
|
457
CALL
Cardinal Health
CAH
$56.3B
| $40.1M | 0.02% |
238,600
+125,000
| +110% | +$18.6M |
|
458
PUT
Northrop Grumman
NOC
$81.8B
| $39.8M | 0.02% |
79,600
+11,900
| +18% | +$5.85M |
|
459
CALL
Cameco
CCJ
$43B
| $39.7M | 0.02% |
534,700
+76,700
| +17% | +$4.09M |
|
460
PUT
Elevance Health
ELV
$84.7B
| $39.6M | 0.02% |
101,900
+17,000
| +20% | +$6.84M |
|
461
CALL
Fortinet
FTNT
$119B
| $39.4M | 0.02% |
372,700
+12,000
| +3% | +$1.21M |
|
462
PUT
Dick's Sporting Goods
DKS
$18.4B
| $39.3M | 0.02% |
198,700
+60,600
| +44% | +$11.2M |
|
|
TEM
463
CALL
Tempus AI
TEM
$10B
| $39.3M | 0.02% |
618,300
+22,400
| +4% | +$1.28M |
|
464
CALL
Freeport-McMoran
FCX
$96.4B
| $39.2M | 0.02% |
905,200
+127,800
| +16% | +$4.85M |
|
465
Oracle
ORCL
$419B
| $39.2M | 0.02% |
179,411
-2,960
| -2% | -$478K |
|
466
PUT
Duolingo
DUOL
$6.34B
| $39.1M | 0.02% |
95,300
+52,800
| +124% | +$23.2M |
|
467
CALL
Boston Scientific
BSX
$74.2B
| $39.1M | 0.02% |
363,600
-48,500
| -12% | -$4.91M |
|
|
468
Invesco QQQ Trust
QQQ
$478B
| $38.6M | 0.02% |
70,019
-307,575
| -81% | -$153M |
|
469
PUT
Domino's
DPZ
$11.8B
| $38.6M | 0.02% |
85,700
-18,400
| -18% | -$8.64M |
|
470
CALL
Western Digital
WDC
$151B
| $38.3M | 0.02% |
598,000
-292,600
| -33% | -$13.9M |
|
|
471
CALL
Dick's Sporting Goods
DKS
$18.4B
| $38M | 0.02% |
192,100
+123,500
| +180% | +$22.9M |
|
472
PUT
e.l.f. Beauty
ELF
$5.61B
| $37.8M | 0.02% |
303,800
+61,900
| +26% | +$5.28M |
|
473
PUT
IonQ
IONQ
$17.6B
| $37.5M | 0.02% |
872,400
+131,200
| +18% | +$4.4M |
|
474
CALL
KKR & Co
KKR
$99.6B
| $37.4M | 0.02% |
281,100
+139,600
| +99% | +$16.3M |
|
475
CALL
Atlassian
TEAM
$39.1B
| $37.2M | 0.02% |
183,400
-92,700
| -34% | -$19.3M |
|
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.