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 |
Invesco QQQ Trust
QQQ
|
+$203M |
| 2 |
JD.com
JD
|
+$105M |
| 3 |
Boeing
BA
|
+$105M |
| 4 |
Applovin
APP
|
+$93.6M |
| 5 |
Netflix
NFLX
|
+$81.3M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Apple
AAPL
|
+$167M |
| 2 |
State Street Financial Select Sector SPDR ETF
XLF
|
+$146M |
| 3 |
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
|
+$135M |
| 4 |
Pinduoduo
PDD
|
+$128M |
| 5 |
Palantir
PLTR
|
+$108M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Consumer Discretionary | 0.39% |
| 2 | Technology | 0.33% |
| 3 | Communication Services | 0.22% |
| 4 | Industrials | 0.16% |
| 5 | Financials | 0.14% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
526
PUT
Fortinet
FTNT
$119B
| $40.4M | 0.01% |
480,000
+134,200
| +39% | +$12M |
|
|
527
CALL
Fortinet
FTNT
$119B
| $40.3M | 0.01% |
479,300
+106,600
| +29% | +$9.51M |
|
528
CALL
Crocs
CROX
$6.31B
| $39.9M | 0.01% |
477,000
+298,100
| +167% | +$27.2M |
|
529
CALL
D.R. Horton
DHI
$42.2B
| $39.5M | 0.01% |
232,800
+42,900
| +23% | +$6.75M |
|
530
CALL
WIX.com
WIX
$2.79B
| $39.3M | 0.01% |
221,200
+129,400
| +141% | +$19.5M |
|
531
CALL
Celsius Holdings
CELH
$7.11B
| $39.2M | 0.01% |
682,200
-34,900
| -5% | -$1.82M |
|
532
CALL
CleanSpark
CLSK
$2.96B
| $38.9M | 0.01% |
2,682,100
+1,054,700
| +65% | +$11.9M |
|
533
CALL
DraftKings
DKNG
$12.6B
| $38.7M | 0.01% |
1,034,100
-574,600
| -36% | -$25.5M |
|
534
CALL
Nu Holdings
NU
$65.9B
| $38.5M | 0.01% |
2,406,500
+990,300
| +70% | +$13.8M |
|
535
CALL
Zillow
Z
$7.68B
| $38.4M | 0.01% |
498,500
+225,500
| +83% | +$18.4M |
|
536
CALL
Veeva Systems
VEEV
$38.4B
| $38.4M | 0.01% |
128,900
+32,500
| +34% | +$9.15M |
|
537
CALL
Twilio
TWLO
$39.3B
| $38.1M | 0.01% |
380,700
-58,400
| -13% | -$6.57M |
|
538
CALL
Phillips 66
PSX
$89.5B
| $38.1M | 0.01% |
279,800
+92,500
| +49% | +$11.9M |
|
539
PUT
eBay
EBAY
$47.2B
| $38M | 0.01% |
417,600
+158,600
| +61% | +$14M |
|
540
PUT
Pinterest
PINS
$13.4B
| $37.9M | 0.01% |
1,179,000
+498,900
| +73% | +$18.1M |
|
541
PUT
Nextpower Inc
NXT
$15.9B
| $37.7M | 0.01% |
509,000
+430,200
| +546% | +$27.7M |
|
|
542
PUT
Crocs
CROX
$6.31B
| $37.6M | 0.01% |
449,500
+264,700
| +143% | +$24.2M |
|
543
PUT
NextEra Energy
NEE
$179B
| $37.5M | 0.01% |
496,800
+75,100
| +18% | +$5.49M |
|
544
PUT
Linde
LIN
$226B
| $37.3M | 0.01% |
78,600
+38,000
| +94% | +$18M |
|
545
PUT
Dollar General
DG
$26.5B
| $37.3M | 0.01% |
361,200
-152,000
| -30% | -$16.7M |
|
546
CALL
US Bancorp Series B Preferred Stock
USB.PRH
$744M
| $37.2M | 0.01% |
769,900
+295,000
| +62% | +$6.03M |
|
547
CALL
Invesco Aerospace & Defense ETF
PPA
$8.72B
| $37.1M | 0.01% |
195,600
+40,000
| +26% | +$5.88M |
|
548
PUT
D-Wave Quantum Inc. Common Stock
QBTS
$7.53B
| $37M | 0.01% |
1,498,100
+671,500
| +81% | +$12.2M |
|
549
CALL
Centene
CNC
$32.1B
| $36.7M | 0.01% |
1,029,000
+901,600
| +708% | +$27.2M |
|
550
CALL
Emerson Electric
EMR
$91.7B
| $36.6M | 0.01% |
279,300
+56,400
| +25% | +$7.69M |
|
Similar funds
IMC Chicago's Q3 2025 Portfolio in Review
As of Q3 2025, IMC Chicago held 4,045 positions worth $275B, up 22% from $225B the previous quarter. Its ten largest holdings account for 38% of the portfolio.
IMC Chicago deployed $23.7B of net new capital in Q3 2025, opening 783 new positions and adding to 1,843 existing holdings. Its largest new stake was Netflix: 666,120 shares worth $79.9M.
By sector, the portfolio is most concentrated in Consumer Discretionary at 0.39% of assets, up from 0.25% a quarter earlier, followed by Technology and Communication Services.
On the sell side, the largest reduction was State Street SPDR Dow Jones Industrial Average ETF Trust, an estimated $135M trimmed.
- IMC Chicago's largest Q3 2025 buy was Netflix: 666,120 shares worth $79.9M.
- IMC Chicago added most to Invesco QQQ Trust in Q3 2025, an estimated $203M increase.
- IMC Chicago's biggest Q3 2025 reduction was State Street SPDR Dow Jones Industrial Average ETF Trust, cutting an estimated $135M.
- IMC Chicago fully exited Apple in Q3 2025, selling an estimated $167M.
- IMC Chicago's ten largest holdings make up 38% of its $275B portfolio in Q3 2025.
- IMC Chicago opened 783 new positions and closed 492 in Q3 2025.
- IMC Chicago's portfolio value rose 22% quarter-over-quarter to $275B.
Based on IMC Chicago's 13F filing for Q3 2025, filed 4 Nov 2025.