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 |
Invesco QQQ Trust
QQQ
|
+$203M |
| 2 |
JD.com
JD
|
+$105M |
| 3 |
Boeing
BA
|
+$105M |
| 4 |
Applovin
APP
|
+$93.6M |
| 5 |
Netflix
NFLX
|
+$81.3M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Apple
AAPL
|
+$167M |
| 2 |
State Street Financial Select Sector SPDR ETF
XLF
|
+$146M |
| 3 |
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
|
+$135M |
| 4 |
Pinduoduo
PDD
|
+$128M |
| 5 |
Palantir
PLTR
|
+$108M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Consumer Discretionary | 0.39% |
| 2 | Technology | 0.33% |
| 3 | Communication Services | 0.22% |
| 4 | Industrials | 0.16% |
| 5 | Financials | 0.14% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
3376
CALL
Global Ship Lease
GSL
$1.47B
| $328K | ﹤0.01% |
+10,700
| New | +$319K |
|
3377
RingCentral
RNG
$5.3B
| $328K | ﹤0.01% |
+11,564
| New | +$337K |
|
3378
GoodRx Holdings
GDRX
$1.3B
| $327K | ﹤0.01% |
77,367
-1,249
| -2% | -$5.49K |
|
3379
PUT
Neonode
NEON
$16.4M
| $327K | ﹤0.01% |
+93,700
| New | +$1.73M |
|
3380
CALL
BRC Group Holdings
RILY
$292M
| $324K | ﹤0.01% |
54,200
-53,100
| -49% | -$294K |
|
3381
Ardelyx
ARDX
$982M
| $324K | ﹤0.01% |
+58,759
| New | +$319K |
|
|
LX
3382
LexinFintech Holdings
LX
$242M
| $323K | ﹤0.01% |
60,679
+18,551
| +44% | +$119K |
|
3383
Recursion Pharmaceuticals
RXRX
$1.8B
| $323K | ﹤0.01% |
+66,215
| New | +$348K |
|
3384
CALL
Veeco
VECO
$3.07B
| $323K | ﹤0.01% |
+10,600
| New | +$253K |
|
3385
PUT
Mativ Holdings
MATV
$706M
| $321K | ﹤0.01% |
+28,400
| New | +$281K |
|
3386
Petco
WOOF
$782M
| $321K | ﹤0.01% |
82,964
-145,776
| -64% | -$488K |
|
3387
ADMA Biologics
ADMA
$2.22B
| $320K | ﹤0.01% |
21,833
-5,773
| -21% | -$99K |
|
3388
ASP Isotopes
ASPI
$544M
| $320K | ﹤0.01% |
33,228
-42,049
| -56% | -$388K |
|
|
MTA
3389
Metalla Royalty & Streaming
MTA
$860M
| $318K | ﹤0.01% |
+50,000
| New | +$237K |
|
|
CEP
3390
DELISTED
Cantor Equity Partners
CEP
| $317K | ﹤0.01% |
14,165
-22,459
| -61% | -$584K |
|
3391
PUT
Apple Hospitality REIT
APLE
$3.68B
| $316K | ﹤0.01% |
26,300
-22,500
| -46% | -$278K |
|
3392
PUT
Ero Copper
ERO
$3.79B
| $316K | ﹤0.01% |
+15,600
| New | +$238K |
|
3393
PUT
Travere Therapeutics
TVTX
$5.68B
| $315K | ﹤0.01% |
13,200
-3,300
| -20% | -$62K |
|
3394
CALL
EVgo
EVGO
$503M
| $315K | ﹤0.01% |
66,600
-800
| -1% | -$3.1K |
|
3395
PUT
Ivanhoe Electric
IE
$1.77B
| $314K | ﹤0.01% |
+25,000
| New | +$247K |
|
3396
CALL
Heritage Insurance Holdings
HRTG
$957M
| $312K | ﹤0.01% |
+12,400
| New | +$282K |
|
3397
PUT
Extreme Networks
EXTR
$3.14B
| $312K | ﹤0.01% |
15,100
-2,000
| -12% | -$39.7K |
|
3398
Dentsply Sirona
XRAY
$2.31B
| $312K | ﹤0.01% |
+24,571
| New | +$357K |
|
3399
PUT
ProShares UltraShort Industrials
SIJ
$5.52M
| $311K | ﹤0.01% |
+9,250
| New | +$223K |
|
3400
LifeMD
LFMD
$163M
| $311K | ﹤0.01% |
45,736
-17,893
| -28% | -$148K |
|
Similar funds
IMC Chicago's Q3 2025 Portfolio in Review
As of Q3 2025, IMC Chicago held 4,045 positions worth $275B, up 22% from $225B the previous quarter. Its ten largest holdings account for 38% of the portfolio.
IMC Chicago deployed $23.7B of net new capital in Q3 2025, opening 783 new positions and adding to 1,843 existing holdings. Its largest new stake was Netflix: 666,120 shares worth $79.9M.
By sector, the portfolio is most concentrated in Consumer Discretionary at 0.39% of assets, up from 0.25% a quarter earlier, followed by Technology and Communication Services.
On the sell side, the largest reduction was State Street SPDR Dow Jones Industrial Average ETF Trust, an estimated $135M trimmed.
- IMC Chicago's largest Q3 2025 buy was Netflix: 666,120 shares worth $79.9M.
- IMC Chicago added most to Invesco QQQ Trust in Q3 2025, an estimated $203M increase.
- IMC Chicago's biggest Q3 2025 reduction was State Street SPDR Dow Jones Industrial Average ETF Trust, cutting an estimated $135M.
- IMC Chicago fully exited Apple in Q3 2025, selling an estimated $167M.
- IMC Chicago's ten largest holdings make up 38% of its $275B portfolio in Q3 2025.
- IMC Chicago opened 783 new positions and closed 492 in Q3 2025.
- IMC Chicago's portfolio value rose 22% quarter-over-quarter to $275B.
Based on IMC Chicago's 13F filing for Q3 2025, filed 4 Nov 2025.