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 | |
|---|---|---|---|---|---|---|
2251
CALL
Vanguard Dividend Appreciation ETF
VIG
$115B
| $2.46M | ﹤0.01% |
+11,200
| New | +$2.45M |
|
2252
CALL
VeriSign
VRSN
$25.9B
| $2.45M | ﹤0.01% |
+10,100
| New | +$2.54M |
|
2253
PUT
Bitdeer Technologies
BTDR
$2.5B
| $2.45M | ﹤0.01% |
218,800
+151,800
| +227% | +$2.45M |
|
2254
PUT
CBRE Group
CBRE
$42.5B
| $2.44M | ﹤0.01% |
+15,200
| New | +$2.39M |
|
2255
Jefferies Financial Group
JEF
$12.7B
| $2.44M | ﹤0.01% |
39,339
-10,550
| -21% | -$605K |
|
2256
CALL
MicroSectors FANG+ ETNs due Jan 8 2038
FNGS
$601M
| $2.44M | ﹤0.01% |
35,800
+6,600
| +23% | +$464K |
|
2257
CALL
TG Therapeutics
TGTX
$7.7B
| $2.42M | ﹤0.01% |
81,300
-26,000
| -24% | -$849K |
|
|
YBIT
2258
CALL
YieldMax Bitcoin Option Income Strategy ETF
YBIT
$47.7M
| $2.42M | ﹤0.01% |
+65,500
| New | +$2.64M |
|
2259
CALL
AGNC Investment
AGNC
$13B
| $2.42M | ﹤0.01% |
225,700
-32,200
| -12% | -$331K |
|
2260
Sweetgreen
SG
$675M
| $2.41M | ﹤0.01% |
356,835
-107,210
| -23% | -$737K |
|
2261
PUT
Upwork
UPWK
$1.02B
| $2.41M | ﹤0.01% |
121,600
+13,700
| +13% | +$251K |
|
2262
CALL
ProShares UltraShort Health Care
RXD
$3.05M
| $2.4M | ﹤0.01% |
34,400
-24,400
| -41% | -$479K |
|
2263
Sunoco
SUN
$14B
| $2.4M | ﹤0.01% |
45,818
+7,567
| +20% | +$400K |
|
2264
Lantheus
LNTH
$6.59B
| $2.4M | ﹤0.01% |
36,079
-3,222
| -8% | -$188K |
|
2265
CALL
LKQ Corp
LKQ
$6.16B
| $2.4M | ﹤0.01% |
79,500
+41,200
| +108% | +$1.24M |
|
|
FLY
2266
Firefly Aerospace
FLY
$4.44B
| $2.4M | ﹤0.01% |
+107,152
| New | +$2.48M |
|
2267
CALL
SS&C Technologies
SSNC
$18.5B
| $2.4M | ﹤0.01% |
27,400
+17,100
| +166% | +$1.46M |
|
2268
Steel Dynamics
STLD
$37.5B
| $2.4M | ﹤0.01% |
+14,135
| New | +$2.24M |
|
|
AVS
2269
Direxion Daily AVGO Bear 1X ETF
AVS
$4.73M
| $2.39M | ﹤0.01% |
+253,293
| New | +$2.42M |
|
2270
CALL
Otis Worldwide
OTIS
$27.8B
| $2.39M | ﹤0.01% |
27,400
-56,600
| -67% | -$5.06M |
|
|
ETOR
2271
PUT
eToro Group
ETOR
$2.31B
| $2.39M | ﹤0.01% |
+68,100
| New | +$2.63M |
|
|
HSAI
2272
PUT
Hesai Group
HSAI
$3.02B
| $2.39M | ﹤0.01% |
106,800
+30,300
| +40% | +$663K |
|
2273
PUT
FuboTV Inc
FUBO
$294M
| $2.39M | ﹤0.01% |
78,925
+26,825
| +51% | +$1.07M |
|
2274
PUT
Valley National Bancorp
VLY
$8.22B
| $2.39M | ﹤0.01% |
204,300
+91,900
| +82% | +$1.02M |
|
2275
CALL
Rapid7
RPD
$814M
| $2.38M | ﹤0.01% |
156,800
+10,700
| +7% | +$176K |
|
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.