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 | |
|---|---|---|---|---|---|---|
301
CALL
Futu Holdings
FUTU
$14.8B
| $88.7M | 0.03% |
509,800
-59,700
| -10% | -$9.92M |
|
302
CALL
Ulta Beauty
ULTA
$23.6B
| $87.9M | 0.03% |
160,700
+13,000
| +9% | +$6.66M |
|
303
PUT
Accenture
ACN
$108B
| $87.5M | 0.03% |
354,800
+185,700
| +110% | +$48.4M |
|
304
PUT
Intuitive Surgical
ISRG
$141B
| $87.3M | 0.03% |
195,100
-6,400
| -3% | -$3.07M |
|
305
CALL
MP Materials
MP
$9.54B
| $87.2M | 0.03% |
1,299,900
+20,700
| +2% | +$1.3M |
|
306
PUT
Dick's Sporting Goods
DKS
$18.7B
| $87.1M | 0.03% |
392,100
+193,400
| +97% | +$42.1M |
|
307
CALL
Hims & Hers Health
HIMS
$7.2B
| $86.9M | 0.03% |
1,532,800
+92,200
| +6% | +$4.72M |
|
308
PUT
Celestica
CLS
$39.4B
| $86.8M | 0.03% |
352,500
+205,200
| +139% | +$41.4M |
|
309
CALL
eBay
EBAY
$47.5B
| $86.8M | 0.03% |
954,600
+488,500
| +105% | +$43.2M |
|
310
CALL
HCA Healthcare
HCA
$90B
| $86.6M | 0.03% |
203,200
-29,700
| -13% | -$11.5M |
|
311
iShares Russell 2000 ETF
IWM
$81.9B
| $86.4M | 0.03% |
356,960
+144,326
| +68% | +$33.1M |
|
|
312
CALL
Celestica
CLS
$39.4B
| $86M | 0.03% |
348,900
+35,800
| +11% | +$7.22M |
|
313
PUT
Marathon Digital Holdings
MARA
$3.77B
| $86M | 0.03% |
4,707,400
+1,233,200
| +35% | +$20.8M |
|
314
CALL
Occidental Petroleum
OXY
$58.9B
| $85.9M | 0.03% |
1,818,300
-67,300
| -4% | -$3.04M |
|
315
PUT
Sea Limited
SE
$78.3B
| $85.7M | 0.03% |
479,300
-58,900
| -11% | -$10.1M |
|
316
CALL
ARK Innovation ETF
ARKK
$6.39B
| $85.6M | 0.03% |
991,900
-620,700
| -38% | -$47.4M |
|
317
PUT
AST SpaceMobile
ASTS
$20.8B
| $85.5M | 0.03% |
1,741,100
+78,000
| +5% | +$3.76M |
|
318
CALL
Roku
ROKU
$22.5B
| $85.2M | 0.03% |
851,300
-1,500
| -0.2% | -$138K |
|
|
XOVR
319
EntrepreneurShares Series Trust ERShares Private-Public Crossover ETF
XOVR
$1.86B
| $84.9M | 0.03% |
+4,021,955
| New | +$80.2M |
|
320
PUT
Affirm
AFRM
$25.4B
| $84.5M | 0.03% |
1,156,500
+370,400
| +47% | +$28.2M |
|
|
321
PUT
Futu Holdings
FUTU
$14.8B
| $83.2M | 0.03% |
478,500
+203,100
| +74% | +$33.7M |
|
322
PUT
Rigetti Computing
RGTI
$6.01B
| $83.2M | 0.03% |
2,791,700
+1,247,500
| +81% | +$21.9M |
|
323
CALL
Capital One
COF
$135B
| $82.8M | 0.03% |
389,700
-47,200
| -11% | -$10.3M |
|
324
CALL
Procter & Gamble
PG
$336B
| $82.7M | 0.03% |
538,400
-220,700
| -29% | -$34.5M |
|
325
CALL
Constellation Energy
CEG
$98.5B
| $82.7M | 0.03% |
251,200
-31,900
| -11% | -$10.3M |
|
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.