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 | |
|---|---|---|---|---|---|---|
2226
CALL
Mohawk Industries
MHK
$9.12B
| $2.55M | ﹤0.01% |
23,300
-26,200
| -53% | -$3.01M |
|
2227
PUT
Zimmer Biomet
ZBH
$18.1B
| $2.54M | ﹤0.01% |
28,300
-3,000
| -10% | -$284K |
|
2228
CALL
Forward Air
FWRD
$647M
| $2.54M | ﹤0.01% |
+101,700
| New | +$2.29M |
|
2229
Globus Medical
GMED
$11.2B
| $2.54M | ﹤0.01% |
29,036
+8,972
| +45% | +$681K |
|
|
PPTA
2230
PUT
Perpetua Resources
PPTA
$3.23B
| $2.53M | ﹤0.01% |
104,700
-12,100
| -10% | -$298K |
|
2231
PUT
Ares Capital
ARCC
$14.2B
| $2.53M | ﹤0.01% |
125,200
+56,600
| +83% | +$1.14M |
|
2232
Direxion Daily Regional Banks Bull 3X ETF
DPST
$402M
| $2.53M | ﹤0.01% |
25,039
-35,218
| -58% | -$3.31M |
|
2233
PUT
NexGen Energy
NXE
$7.17B
| $2.53M | ﹤0.01% |
274,800
+52,100
| +23% | +$460K |
|
2234
CALL
Arteris
AIP
$1.4B
| $2.53M | ﹤0.01% |
163,000
+133,900
| +460% | +$1.94M |
|
|
APPX
2235
CALL
Tradr 2X Long APP Daily ETF
APPX
$65.1M
| $2.53M | ﹤0.01% |
+26,033
| New | +$2.74M |
|
2236
Redwire
RDW
$3.41B
| $2.52M | ﹤0.01% |
331,756
+187,471
| +130% | +$1.38M |
|
2237
CALL
Alphatec Holdings
ATEC
$1.42B
| $2.51M | ﹤0.01% |
119,500
+17,100
| +17% | +$317K |
|
2238
PUT
Novavax
NVAX
$1.31B
| $2.51M | ﹤0.01% |
374,100
-53,600
| -13% | -$404K |
|
2239
CALL
Zebra Technologies
ZBRA
$17.9B
| $2.5M | ﹤0.01% |
10,300
-300
| -3% | -$80.2K |
|
2240
CALL
Frontline
FRO
$8.61B
| $2.5M | ﹤0.01% |
114,600
+60,300
| +111% | +$1.41M |
|
2241
Ciena
CIEN
$58.8B
| $2.5M | ﹤0.01% |
10,684
+184
| +2% | +$35.7K |
|
2242
GitLab
GTLB
$7B
| $2.5M | ﹤0.01% |
66,500
-530,720
| -89% | -$23M |
|
2243
PUT
Omnicom Group
OMC
$23.2B
| $2.5M | ﹤0.01% |
30,900
+11,600
| +60% | +$886K |
|
2244
CALL
Olin
OLN
$2.16B
| $2.49M | ﹤0.01% |
119,700
+42,100
| +54% | +$908K |
|
2245
CALL
Vanguard Morningstar Value ETF
VTV
$193B
| $2.48M | ﹤0.01% |
+13,000
| New | +$2.45M |
|
2246
CALL
Albertsons Companies
ACI
$5.88B
| $2.48M | ﹤0.01% |
144,600
+25,400
| +21% | +$453K |
|
2247
Direxion Daily Semiconductor Bull 3X ETF
SOXL
$24.7B
| $2.48M | ﹤0.01% |
+59,044
| New | +$2.46M |
|
2248
Bristol-Myers Squibb
BMY
$130B
| $2.48M | ﹤0.01% |
+45,935
| New | +$2.21M |
|
2249
PUT
Infosys
INFY
$49.8B
| $2.47M | ﹤0.01% |
138,600
-117,500
| -46% | -$2.03M |
|
2250
Dutch Bros
BROS
$8.7B
| $2.46M | ﹤0.01% |
40,258
-104,807
| -72% | -$5.95M |
|
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.