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 | |
|---|---|---|---|---|---|---|
451
PUT
Cadence Design Systems
CDNS
$90.1B
| $51.8M | 0.02% |
147,600
-10,000
| -6% | -$3.44M |
|
452
Costco
COST
$418B
| $51.8M | 0.02% |
55,913
-3,059
| -5% | -$2.93M |
|
453
CALL
3M
MMM
$94.4B
| $51.7M | 0.02% |
332,900
+49,400
| +17% | +$7.62M |
|
454
PUT
Workday
WDAY
$44.8B
| $51.6M | 0.02% |
214,300
-122,300
| -36% | -$28.3M |
|
455
PUT
e.l.f. Beauty
ELF
$5.61B
| $51.5M | 0.02% |
389,000
+85,200
| +28% | +$10.5M |
|
456
CALL
TJX Companies
TJX
$172B
| $50.8M | 0.02% |
351,800
+21,600
| +7% | +$2.87M |
|
457
PUT
AeroVironment
AVAV
$9.82B
| $50.5M | 0.02% |
160,500
+2,300
| +1% | +$595K |
|
458
PUT
Agnico Eagle Mines
AEM
$92B
| $50.3M | 0.02% |
298,700
+137,600
| +85% | +$18.9M |
|
459
CALL
Boston Scientific
BSX
$74.5B
| $50.3M | 0.02% |
514,900
+151,300
| +42% | +$15.7M |
|
460
PUT
Okta
OKTA
$26.1B
| $50.2M | 0.02% |
547,800
+32,700
| +6% | +$3.05M |
|
461
PUT
Procter & Gamble
PG
$337B
| $50.1M | 0.02% |
326,300
+66,400
| +26% | +$10.4M |
|
462
CALL
Shell
SHEL
$250B
| $49.8M | 0.02% |
695,800
-21,600
| -3% | -$1.56M |
|
463
CALL
Generac Holdings
GNRC
$12.7B
| $49.6M | 0.02% |
296,500
+115,200
| +64% | +$20.2M |
|
|
464
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
$48.3B
| $49.3M | 0.02% |
106,301
-299,503
| -74% | -$135M |
|
465
PUT
United States Oil Fund
USO
$1.8B
| $49M | 0.02% |
664,900
-218,600
| -25% | -$16.4M |
|
466
PUT
Floor & Decor
FND
$6.5B
| $49M | 0.02% |
665,300
+448,100
| +206% | +$36.7M |
|
467
CALL
Dollar General
DG
$26.5B
| $48.9M | 0.02% |
473,500
-46,500
| -9% | -$5.1M |
|
|
468
CALL
Cadence Design Systems
CDNS
$90.1B
| $48.8M | 0.02% |
138,900
+30,400
| +28% | +$10.5M |
|
469
PUT
FTAI Aviation
FTAI
$22.7B
| $48.8M | 0.02% |
292,200
+138,500
| +90% | +$19.7M |
|
|
TEM
470
CALL
Tempus AI
TEM
$10.1B
| $48.7M | 0.02% |
604,000
-14,300
| -2% | -$1M |
|
471
CALL
iShares MSCI Australia ETF
EWA
$1.46B
| $48.7M | 0.02% |
1,352,300
+700,500
| +107% | +$18.7M |
|
472
PUT
Quanta Services
PWR
$100B
| $48.6M | 0.02% |
117,300
-5,900
| -5% | -$2.29M |
|
473
PUT
Etsy
ETSY
$7.35B
| $48.5M | 0.02% |
730,400
+178,400
| +32% | +$10.7M |
|
474
PUT
Verizon
VZ
$196B
| $48.5M | 0.02% |
1,103,100
+174,900
| +19% | +$7.57M |
|
475
CALL
Ameriprise Financial
AMP
$49.7B
| $47.8M | 0.02% |
97,400
+86,400
| +785% | +$44.3M |
|
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.