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 | |
|---|---|---|---|---|---|---|
3601
Direxion Daily AAPL Bear 1X ETF
AAPD
$60.7M
| $415K | ﹤0.01% |
31,645
-57,811
| -65% | -$770K |
|
3602
GSI Technology
GSIT
$258M
| $413K | ﹤0.01% |
+66,472
| New | +$474K |
|
3603
Krispy Kreme
DNUT
$577M
| $411K | ﹤0.01% |
102,223
+34,379
| +51% | +$136K |
|
3604
PUT
Remitly
RELY
$5.14B
| $407K | ﹤0.01% |
29,500
+15,800
| +115% | +$230K |
|
3605
CALL
Immunovant
IMVT
$8.25B
| $407K | ﹤0.01% |
+16,000
| New | +$357K |
|
3606
CALL
Triple Flag Precious Metals
TFPM
$6.72B
| $405K | ﹤0.01% |
12,200
-7,900
| -39% | -$247K |
|
|
GES
3607
CALL
DELISTED
Guess Inc
GES
| $404K | ﹤0.01% |
24,100
-33,200
| -58% | -$561K |
|
3608
CALL
Banco Santander
SAN
$210B
| $404K | ﹤0.01% |
34,400
-15,100
| -31% | -$160K |
|
3609
PUT
Virtu Financial
VIRT
$4.93B
| $403K | ﹤0.01% |
12,100
-1,100
| -8% | -$37.6K |
|
3610
PUT
Invesco DB US Dollar Index Bullish Fund
UUP
$413M
| $403K | ﹤0.01% |
14,900
-68,400
| -82% | -$1.91M |
|
|
ARIS
3611
PUT
Aris Mining
ARIS
$3.59B
| $403K | ﹤0.01% |
+24,800
| New | +$305K |
|
|
DHC
3612
CALL
Diversified Healthcare Trust
DHC
$2.14B
| $402K | ﹤0.01% |
82,800
+31,300
| +61% | +$142K |
|
|
DRD
3613
PUT
DRDGold
DRD
$2.05B
| $400K | ﹤0.01% |
+12,900
| New | +$369K |
|
3614
Flowers Foods
FLO
$1.57B
| $400K | ﹤0.01% |
36,764
+17,961
| +96% | +$209K |
|
|
TSSI
3615
PUT
TSS Inc
TSSI
$316M
| $399K | ﹤0.01% |
+56,500
| New | +$730K |
|
3616
PUT
The RealReal
REAL
$1.5B
| $399K | ﹤0.01% |
+25,300
| New | +$330K |
|
3617
CALL
Dorian LPG
LPG
$1.96B
| $399K | ﹤0.01% |
16,400
-41,100
| -71% | -$1.08M |
|
3618
PUT
Ginkgo Bioworks
DNA
$521M
| $399K | ﹤0.01% |
48,000
+7,400
| +18% | +$79.7K |
|
3619
Perion Network
PERI
$386M
| $399K | ﹤0.01% |
41,604
-23,884
| -36% | -$232K |
|
3620
PUT
KULR Technology Group
KULR
$135M
| $398K | ﹤0.01% |
+134,600
| New | +$494K |
|
|
BTCL
3621
T-Rex 2X Long Bitcoin Daily Target ETF
BTCL
$25.9M
| $398K | ﹤0.01% |
+13,760
| New | +$574K |
|
3622
Direxion Daily Gold Miners Index Bear 2X ETF
DUST
$50.7M
| $397K | ﹤0.01% |
+5,341
| New | +$515K |
|
3623
CALL
Designer Brands
DBI
$333M
| $397K | ﹤0.01% |
53,400
-14,900
| -22% | -$71.6K |
|
3624
PUT
USA Compression Partners
USAC
$3.74B
| $396K | ﹤0.01% |
+17,200
| New | +$404K |
|
3625
Viper Energy
VNOM
$14.7B
| $395K | ﹤0.01% |
+10,230
| New | +$387K |
|
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.