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 | |
|---|---|---|---|---|---|---|
376
CALL
Workday
WDAY
$45.1B
| $67.1M | 0.02% |
278,600
+141,600
| +103% | +$32.7M |
|
377
CALL
Corning
GLW
$137B
| $66.9M | 0.02% |
815,200
+369,600
| +83% | +$24.2M |
|
378
CALL
Centrus Energy
LEU
$3.75B
| $66.8M | 0.02% |
215,300
+80,800
| +60% | +$17.9M |
|
379
PUT
Seagate
STX
$185B
| $66.7M | 0.02% |
282,500
-6,500
| -2% | -$1.11M |
|
380
PUT
Merck
MRK
$321B
| $66.7M | 0.02% |
794,500
+186,900
| +31% | +$15.4M |
|
381
PUT
State Street Consumer Discretionary Select Sector SPDR ETF
XLY
$23.7B
| $66.1M | 0.02% |
551,600
+4,800
| +0.9% | +$549K |
|
382
CALL
IonQ
IONQ
$17.4B
| $66.1M | 0.02% |
1,074,300
+57,100
| +6% | +$2.68M |
|
383
CALL
State Street SPDR S&P MIDCAP 400 ETF Trust
MDY
$27.1B
| $66M | 0.02% |
110,700
+39,600
| +56% | +$23.2M |
|
384
PUT
Unity
U
$18.9B
| $65.9M | 0.02% |
1,644,700
+725,300
| +79% | +$26.9M |
|
385
CALL
AT&T
T
$167B
| $65.5M | 0.02% |
2,319,700
+310,700
| +15% | +$8.82M |
|
|
EA
386
CALL
DELISTED
Electronic Arts
EA
| $65.5M | 0.02% |
324,600
+142,800
| +79% | +$23.6M |
|
387
CALL
Wayfair
W
$14.2B
| $65.4M | 0.02% |
731,700
+149,000
| +26% | +$10.9M |
|
388
Alphabet (Google) Class A
GOOGL
$4.28T
| $65.1M | 0.02% |
267,881
+113,298
| +73% | +$23.7M |
|
|
KFYP
389
PUT
DELISTED
KraneShares CICC China Leaders 100 Index ETF
KFYP
| $64.9M | 0.02% |
1,549,700
+372,000
| +32% | +$15.6M |
|
390
PUT
Interactive Brokers
IBKR
$40.6B
| $64.4M | 0.02% |
935,400
-21,000
| -2% | -$1.32M |
|
391
CALL
Take-Two Interactive
TTWO
$46.7B
| $64.2M | 0.02% |
248,400
+6,300
| +3% | +$1.49M |
|
392
PUT
Coca-Cola
KO
$374B
| $63.6M | 0.02% |
958,900
+369,200
| +63% | +$25.4M |
|
393
Chipotle Mexican Grill
CMG
$40.2B
| $63.5M | 0.02% |
1,621,553
+1,597,126
| +6,538% | +$71.9M |
|
394
PUT
Union Pacific
UNP
$173B
| $63.5M | 0.02% |
268,500
+75,200
| +39% | +$16.9M |
|
395
PUT
Amgen
AMGN
$224B
| $63.4M | 0.02% |
224,700
+39,500
| +21% | +$11.5M |
|
396
CALL
Verizon
VZ
$197B
| $63.1M | 0.02% |
1,435,000
+443,000
| +45% | +$19.2M |
|
397
PUT
GameStop
GME
$8.4B
| $62.9M | 0.02% |
2,304,900
+147,500
| +7% | +$3.5M |
|
|
398
PUT
Take-Two Interactive
TTWO
$46.7B
| $62.8M | 0.02% |
243,000
+67,400
| +38% | +$16M |
|
399
PUT
Rivian
RIVN
$23.6B
| $61.9M | 0.02% |
4,216,100
+1,165,700
| +38% | +$15.6M |
|
400
CALL
Pfizer
PFE
$152B
| $61.8M | 0.02% |
2,426,400
+289,300
| +14% | +$7.14M |
|
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.