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 |
State Street SPDR Portfolio S&P 500 ETF
SPYM
|
+$57.6M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Miscellaneous | 98.86% |
| 2 | Technology | 0.32% |
| 3 | Consumer Discretionary | 0.25% |
| 4 | Healthcare | 0.13% |
| 5 | Communication Services | 0.1% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | Held Since | |
|---|---|---|---|---|---|---|---|
451
PUT
Proshares UltraShort Technology
REW
$3.57M
| $40.6M | 0.02% |
515,850
+136,450
| +36% | +$5.51M |
2022 Q2
12 quarters
|
|
452
PepsiCo
PEP
$175B
| $40.5M | 0.02% |
+306,616
| New | +$41.3M |
2025 Q2
0 quarters
|
|
453
CALL
State Street SPDR S&P MIDCAP 400 ETF Trust
MDY
$25.6B
| $40.3M | 0.02% |
71,100
+21,500
| +43% | +$11.5M |
2023 Q4
6 quarters
|
|
|
KFYP
454
PUT
DELISTED
KraneShares CICC China Leaders 100 Index ETF
KFYP
| $40.2M | 0.02% |
1,177,700
-591,200
| -33% | -$20.2M |
2021 Q4
14 quarters
|
|
455
PUT
Verizon
VZ
$184B
| $40.2M | 0.02% |
928,200
+252,200
| +37% | +$10.9M |
2018 Q4
26 quarters
|
|
456
PUT
Charter Communications
CHTR
$12.6B
| $40.1M | 0.02% |
98,100
-11,400
| -10% | -$4.36M |
2022 Q3
11 quarters
|
|
457
CALL
Cardinal Health
CAH
$58.7B
| $40.1M | 0.02% |
238,600
+125,000
| +110% | +$18.6M |
2022 Q3
11 quarters
|
|
458
PUT
Northrop Grumman
NOC
$71B
| $39.8M | 0.02% |
79,600
+11,900
| +18% | +$5.85M |
2022 Q3
11 quarters
|
|
459
CALL
Cameco
CCJ
$36.2B
| $39.7M | 0.02% |
534,700
+76,700
| +17% | +$4.09M |
2021 Q1
17 quarters
|
|
460
PUT
Elevance Health
ELV
$92.9B
| $39.6M | 0.02% |
101,900
+17,000
| +20% | +$6.84M |
2022 Q4
10 quarters
|
|
461
CALL
Fortinet
FTNT
$133B
| $39.4M | 0.02% |
372,700
+12,000
| +3% | +$1.21M |
2023 Q2
8 quarters
|
|
462
PUT
Dick's Sporting Goods
DKS
$13.9B
| $39.3M | 0.02% |
198,700
+60,600
| +44% | +$11.2M |
2020 Q3
19 quarters
|
|
463
CALL
Tempus AI
TEM
$12.9B
| $39.3M | 0.02% |
618,300
+22,400
| +4% | +$1.28M |
2024 Q3
3 quarters
|
|
464
CALL
Freeport-McMoran
FCX
$101B
| $39.2M | 0.02% |
905,200
+127,800
| +16% | +$4.85M |
2018 Q4
26 quarters
|
|
465
Oracle
ORCL
$408B
| $39.2M | 0.02% |
179,411
-2,960
| -2% | -$478K |
2024 Q4
2 quarters
|
|
466
PUT
Duolingo
DUOL
$6.97B
| $39.1M | 0.02% |
95,300
+52,800
| +124% | +$23.2M |
2024 Q1
5 quarters
|
|
467
CALL
Boston Scientific
BSX
$64B
| $39.1M | 0.02% |
363,600
-48,500
| -12% | -$4.91M |
2022 Q3
11 quarters
|
|
|
468
Invesco QQQ Trust
QQQ
$487B
| $38.6M | 0.02% |
70,019
-307,575
| -81% | -$153M |
2024 Q1
5 quarters
|
|
469
PUT
Domino's
DPZ
$9.97B
| $38.6M | 0.02% |
85,700
-18,400
| -18% | -$8.64M |
2018 Q4
26 quarters
|
|
470
CALL
Western Digital
WDC
$133B
| $38.3M | 0.02% |
598,000
-292,600
| -33% | -$13.9M |
2018 Q4
26 quarters
|
|
|
471
CALL
Dick's Sporting Goods
DKS
$13.9B
| $38M | 0.02% |
192,100
+123,500
| +180% | +$22.9M |
2020 Q3
19 quarters
|
|
472
PUT
e.l.f. Beauty
ELF
$6.85B
| $37.8M | 0.02% |
303,800
+61,900
| +26% | +$5.28M |
2024 Q1
5 quarters
|
|
473
PUT
IonQ
IONQ
$13.9B
| $37.5M | 0.02% |
872,400
+131,200
| +18% | +$4.4M |
2024 Q1
5 quarters
|
|
474
CALL
KKR & Co
KKR
$78.7B
| $37.4M | 0.02% |
281,100
+139,600
| +99% | +$16.3M |
2023 Q1
9 quarters
|
|
475
CALL
Atlassian
TEAM
$55B
| $37.2M | 0.02% |
183,400
-92,700
| -34% | -$19.3M |
2020 Q3
19 quarters
|
|
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's Q2 2025 filing shows 615 new, 1,602 increased, 1,040 reduced and 423 closed positions. Its largest new stake was iShares Bitcoin Trust: 4,132,010 shares worth $253M. The largest sale was Invesco QQQ Trust, an estimated $153M.
By sector, the portfolio is most concentrated in Miscellaneous at 99% of assets, down from 99% a quarter earlier, followed by Technology and Consumer Discretionary.
- 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.