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 | |
|---|---|---|---|---|---|---|
1851
CALL
BCE
BCE
$21.7B
| $4.29M | ﹤0.01% |
180,300
+25,500
| +16% | +$594K |
|
1852
PUT
Vanguard Morningstar Mega Cap Growth ETF
MGK
$33.8B
| $4.29M | ﹤0.01% |
+52,000
| New | +$4.27M |
|
1853
CALL
Zions Bancorporation
ZION
$10.3B
| $4.29M | ﹤0.01% |
73,300
-7,000
| -9% | -$381K |
|
|
QXO
1854
PUT
QXO Inc
QXO
$16.8B
| $4.29M | ﹤0.01% |
222,200
+57,500
| +35% | +$1.1M |
|
1855
PUT
Kyndryl
KD
$3.05B
| $4.28M | ﹤0.01% |
161,300
+56,100
| +53% | +$1.52M |
|
1856
PUT
Darling Ingredients
DAR
$9.97B
| $4.26M | ﹤0.01% |
118,400
-5,100
| -4% | -$173K |
|
|
EXK
1857
CALL
Endeavour Silver
EXK
$3.08B
| $4.25M | ﹤0.01% |
452,300
+61,000
| +16% | +$517K |
|
1858
Wayfair
W
$14.2B
| $4.24M | ﹤0.01% |
42,207
-17,544
| -29% | -$1.69M |
|
1859
CALL
Travere Therapeutics
TVTX
$5.83B
| $4.24M | ﹤0.01% |
110,900
+48,000
| +76% | +$1.56M |
|
1860
Invesco Dorsey Wright Consumer Staples Momentum ETF
PSL
$83.4M
| $4.23M | ﹤0.01% |
+42,163
| New | +$4.37M |
|
|
LAC
1861
CALL
Lithium Americas
LAC
$1.18B
| $4.23M | ﹤0.01% |
969,800
+366,200
| +61% | +$2.11M |
|
1862
CALL
Targa Resources
TRGP
$57.2B
| $4.23M | ﹤0.01% |
22,900
-48,200
| -68% | -$8.12M |
|
1863
PUT
Eldorado Gold
EGO
$10.3B
| $4.22M | ﹤0.01% |
117,500
+23,500
| +25% | +$703K |
|
1864
CALL
Turning Point Brands
TPB
$1.78B
| $4.22M | ﹤0.01% |
38,900
+14,900
| +62% | +$1.46M |
|
1865
PUT
Equifax
EFX
$21.3B
| $4.21M | ﹤0.01% |
+19,400
| New | +$4.25M |
|
1866
CALL
Ecolab
ECL
$79.8B
| $4.2M | ﹤0.01% |
16,000
-18,800
| -54% | -$5.01M |
|
1867
PUT
SharkNinja
SN
$26.8B
| $4.19M | ﹤0.01% |
37,400
-15,200
| -29% | -$1.5M |
|
1868
PUT
-1x Short VIX Futures ETF
SVIX
$166M
| $4.17M | ﹤0.01% |
172,300
-28,000
| -14% | -$575K |
|
1869
CALL
Omega Healthcare
OHI
$14B
| $4.17M | ﹤0.01% |
94,100
+8,000
| +9% | +$345K |
|
1870
CALL
IAMGOLD
IAG
$10.5B
| $4.17M | ﹤0.01% |
253,000
+101,200
| +67% | +$1.43M |
|
1871
CALL
PVH
PVH
$3.96B
| $4.16M | ﹤0.01% |
62,100
+100
| +0.2% | +$7.82K |
|
1872
CALL
RadNet
RDNT
$5.93B
| $4.16M | ﹤0.01% |
+58,300
| New | +$4.5M |
|
|
CMA
1873
CALL
DELISTED
Comerica
CMA
| $4.16M | ﹤0.01% |
47,800
-92,900
| -66% | -$7.48M |
|
|
EXK
1874
PUT
Endeavour Silver
EXK
$3.08B
| $4.15M | ﹤0.01% |
442,000
+95,000
| +27% | +$806K |
|
1875
CALL
Dropbox
DBX
$7.55B
| $4.14M | ﹤0.01% |
148,900
-36,800
| -20% | -$1.07M |
|
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.