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 |
iShares Russell 2000 ETF
IWM
|
+$302M |
| 2 |
Invesco QQQ Trust
QQQ
|
+$170M |
| 3 |
Broadcom
AVGO
|
+$164M |
| 4 |
Tesla
TSLA
|
+$158M |
| 5 |
Palantir
PLTR
|
+$109M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
iShares Bitcoin Trust
IBIT
|
+$167M |
| 2 |
Applovin
APP
|
+$126M |
| 3 |
JD.com
JD
|
+$103M |
| 4 |
Amazon
AMZN
|
+$97.8M |
| 5 |
Vanguard S&P 500 ETF
VOO
|
+$90.4M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 0.56% |
| 2 | Consumer Discretionary | 0.3% |
| 3 | Communication Services | 0.16% |
| 4 | Financials | 0.13% |
| 5 | Industrials | 0.11% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
2376
PUT
US Foods
USFD
$23.3B
| $2.09M | ﹤0.01% |
27,800
+16,100
| +138% | +$1.21M |
|
2377
PUT
Amprius Technologies
AMPX
$1.8B
| $2.09M | ﹤0.01% |
265,100
+183,600
| +225% | +$2.1M |
|
2378
Cintas
CTAS
$81.7B
| $2.09M | ﹤0.01% |
+11,103
| New | +$2.09M |
|
2379
PUT
Plug Power
PLUG
$3.09B
| $2.09M | ﹤0.01% |
1,059,000
-439,800
| -29% | -$1.15M |
|
|
WYFI
2380
CALL
WhiteFiber Inc
WYFI
$1.09B
| $2.09M | ﹤0.01% |
+132,000
| New | +$3.26M |
|
2381
CALL
United Natural Foods
UNFI
$2.86B
| $2.08M | ﹤0.01% |
61,800
-31,900
| -34% | -$1.19M |
|
2382
CALL
Hudbay
HBM
$12.6B
| $2.08M | ﹤0.01% |
104,800
+32,400
| +45% | +$548K |
|
2383
Old Dominion Freight Line
ODFL
$43.8B
| $2.08M | ﹤0.01% |
+13,250
| New | +$1.9M |
|
2384
CALL
BlackSky Technology
BKSY
$1.28B
| $2.08M | ﹤0.01% |
110,700
+23,700
| +27% | +$483K |
|
2385
PUT
Birkenstock
BIRK
$6.72B
| $2.07M | ﹤0.01% |
50,700
-1,299,800
| -96% | -$55M |
|
2386
CALL
Vipshop
VIPS
$6.98B
| $2.07M | ﹤0.01% |
117,200
+46,900
| +67% | +$902K |
|
2387
TTM Technologies
TTMI
$14.7B
| $2.07M | ﹤0.01% |
+30,028
| New | +$1.96M |
|
2388
PUT
Franklin Resources
BEN
$17B
| $2.07M | ﹤0.01% |
86,700
+12,000
| +16% | +$276K |
|
2389
PUT
IAMGOLD
IAG
$10.5B
| $2.07M | ﹤0.01% |
125,300
+7,100
| +6% | +$100K |
|
2390
Crown Holdings
CCK
$13B
| $2.06M | ﹤0.01% |
+20,033
| New | +$1.95M |
|
2391
Alerian MLP ETF
AMLP
$13.1B
| $2.06M | ﹤0.01% |
+43,870
| New | +$2.05M |
|
2392
abrdn Physical Silver Shares ETF
SIVR
$4.59B
| $2.06M | ﹤0.01% |
30,424
-3,768
| -11% | -$198K |
|
2393
PUT
Helmerich & Payne
HP
$4.27B
| $2.06M | ﹤0.01% |
71,700
+23,300
| +48% | +$619K |
|
2394
PUT
Olin
OLN
$2.13B
| $2.06M | ﹤0.01% |
98,700
+57,400
| +139% | +$1.24M |
|
2395
CALL
Hartford Financial Services
HIG
$38.1B
| $2.05M | ﹤0.01% |
+14,900
| New | +$1.97M |
|
2396
PUT
Canadian Pacific Kansas City
CP
$81.2B
| $2.05M | ﹤0.01% |
27,800
-25,700
| -48% | -$1.89M |
|
|
JKS
2397
PUT
JinkoSolar
JKS
$872M
| $2.05M | ﹤0.01% |
79,300
+48,600
| +158% | +$1.24M |
|
|
GRAL
2398
PUT
GRAIL Inc
GRAL
$3.26B
| $2.05M | ﹤0.01% |
23,900
-23,000
| -49% | -$1.99M |
|
2399
Upstart Holdings
UPST
$2.84B
| $2.04M | ﹤0.01% |
46,714
-131,649
| -74% | -$6.06M |
|
2400
CALL
TransAlta
TAC
$3.96B
| $2.04M | ﹤0.01% |
+161,600
| New | +$2.41M |
|
Similar funds
IMC Chicago's Q4 2025 Portfolio in Review
As of Q4 2025, IMC Chicago held 4,538 positions worth $275B, up 0.14% from $275B the previous quarter. Its ten largest holdings account for 36% of the portfolio.
IMC Chicago's Q4 2025 filing shows 985 new, 1,665 increased, 1,358 reduced and 525 closed positions. Its largest new stake was Palantir: 601,853 shares worth $107M. The largest sale was iShares Bitcoin Trust, an estimated $167M.
By sector, the portfolio is most concentrated in Technology at 0.56% of assets, up from 0.33% a quarter earlier, followed by Consumer Discretionary and Communication Services.
- IMC Chicago's largest Q4 2025 buy was Palantir: 601,853 shares worth $107M.
- IMC Chicago added most to iShares Russell 2000 ETF in Q4 2025, an estimated $302M increase.
- IMC Chicago's biggest Q4 2025 reduction was iShares Bitcoin Trust, cutting an estimated $167M.
- IMC Chicago fully exited Amazon in Q4 2025, selling an estimated $97.8M.
- IMC Chicago's ten largest holdings make up 36% of its $275B portfolio in Q4 2025.
- IMC Chicago opened 985 new positions and closed 525 in Q4 2025.
- IMC Chicago's portfolio value rose 0.14% quarter-over-quarter to $275B.
Based on IMC Chicago's 13F filing for Q4 2025, filed 29 Jan 2026.