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 | |
|---|---|---|---|---|---|---|
476
PUT
Northrop Grumman
NOC
$81.8B
| $47.8M | 0.02% |
78,500
-1,100
| -1% | -$624K |
|
477
CALL
Abbott
ABT
$190B
| $47.8M | 0.02% |
357,100
+118,000
| +49% | +$15.5M |
|
478
ASML
ASML
$691B
| $47.7M | 0.02% |
+49,277
| New | +$38.7M |
|
479
CALL
State Street SPDR Portfolio Short Term Treasury ETF
SPTS
$6.11B
| $47.5M | 0.02% |
359,300
-32,200
| -8% | -$941K |
|
480
PUT
Zoom
ZM
$31.1B
| $47.4M | 0.02% |
574,200
+125,400
| +28% | +$9.78M |
|
|
481
CALL
Zoom
ZM
$31.1B
| $47.2M | 0.02% |
572,500
+42,800
| +8% | +$3.34M |
|
482
Meta Platforms (Facebook)
META
$1.53T
| $47.1M | 0.02% |
64,174
-51,230
| -44% | -$38.1M |
|
483
CALL
Cigna
CI
$72.4B
| $47M | 0.02% |
162,900
+29,700
| +22% | +$8.79M |
|
484
CALL
Honeywell
HON
$72.9B
| $46.8M | 0.02% |
236,073
+16,128
| +7% | +$3.37M |
|
485
CALL
W.W. Grainger
GWW
$61.3B
| $46.8M | 0.02% |
49,100
+4,900
| +11% | +$4.92M |
|
486
PUT
General Motors
GM
$78.4B
| $46.5M | 0.02% |
762,900
-279,600
| -27% | -$15.6M |
|
487
PUT
Twilio
TWLO
$39.3B
| $46.4M | 0.02% |
463,100
+115,200
| +33% | +$13M |
|
488
CALL
Dow Inc
DOW
$22.6B
| $46.2M | 0.02% |
2,013,700
+850,100
| +73% | +$21.2M |
|
489
CALL
NuScale Power
SMR
$4.06B
| $45.6M | 0.02% |
1,265,700
+630,900
| +99% | +$25.1M |
|
490
PUT
Howmet Aerospace
HWM
$112B
| $45.5M | 0.02% |
231,700
+67,900
| +41% | +$12.4M |
|
491
CALL
CAVA Group
CAVA
$7.08B
| $45.5M | 0.02% |
752,500
+228,000
| +43% | +$17.3M |
|
492
PUT
Pfizer
PFE
$152B
| $45.3M | 0.02% |
1,778,200
+16,400
| +0.9% | +$405K |
|
|
493
CALL
Northrop Grumman
NOC
$81.8B
| $45.1M | 0.02% |
74,000
-48,000
| -39% | -$27.2M |
|
494
PUT
Credo Technology Group
CRDO
$46.2B
| $44.9M | 0.02% |
308,500
-43,900
| -12% | -$5.37M |
|
|
495
Cigna
CI
$72.4B
| $44.6M | 0.02% |
154,577
+15,555
| +11% | +$4.6M |
|
496
Intel
INTC
$493B
| $44.5M | 0.02% |
1,326,322
-245,550
| -16% | -$5.95M |
|
497
CALL
S&P Global
SPGI
$120B
| $44.4M | 0.02% |
91,200
-9,800
| -10% | -$5.25M |
|
498
PUT
Centrus Energy
LEU
$3.77B
| $44.4M | 0.02% |
143,100
-4,700
| -3% | -$1.04M |
|
499
CALL
NIO
NIO
$11.6B
| $44.1M | 0.02% |
5,792,300
+502,700
| +10% | +$2.71M |
|
500
PUT
DraftKings
DKNG
$12.6B
| $44.1M | 0.02% |
1,179,300
+428,800
| +57% | +$19M |
|
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.