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 | |
|---|---|---|---|---|---|---|
1351
State Street SPDR S&P Regional Banking ETF
KRE
$4.67B
| $7.02M | ﹤0.01% |
+110,878
| New | +$6.99M |
|
1352
Zoom
ZM
$30.8B
| $7.01M | ﹤0.01% |
+84,959
| New | +$6.63M |
|
1353
AeroVironment
AVAV
$9.59B
| $7.01M | ﹤0.01% |
+22,256
| New | +$5.76M |
|
1354
Core Scientific
CORZ
$6.36B
| $7.01M | ﹤0.01% |
390,559
+9,023
| +2% | +$132K |
|
1355
CALL
Entegris
ENTG
$24.6B
| $7M | ﹤0.01% |
75,700
-9,600
| -11% | -$817K |
|
1356
PUT
Lennox International
LII
$14.5B
| $6.99M | ﹤0.01% |
+13,200
| New | +$7.71M |
|
1357
Futu Holdings
FUTU
$14.7B
| $6.95M | ﹤0.01% |
+39,985
| New | +$6.64M |
|
1358
CALL
Lamb Weston
LW
$7.3B
| $6.93M | ﹤0.01% |
119,400
-70,600
| -37% | -$3.86M |
|
|
ETHE
1359
Grayscale Ethereum Staking ETF Shares
ETHE
$1.53B
| $6.93M | ﹤0.01% |
202,136
+189,112
| +1,452% | +$6.12M |
|
1360
CALL
Groupon
GRPN
$901M
| $6.92M | ﹤0.01% |
296,200
-79,700
| -21% | -$2.29M |
|
1361
CALL
Amplify Online Retail ETF
IBUY
$125M
| $6.91M | ﹤0.01% |
299,300
-2,900
| -1% | -$212K |
|
1362
PUT
Edison International
EIX
$26.7B
| $6.9M | ﹤0.01% |
124,800
-21,300
| -15% | -$1.15M |
|
1363
PUT
Alaska Air
ALK
$5.3B
| $6.88M | ﹤0.01% |
138,300
+35,100
| +34% | +$1.95M |
|
1364
PUT
Mondelez International
MDLZ
$79.4B
| $6.87M | ﹤0.01% |
109,900
-106,200
| -49% | -$6.85M |
|
1365
CALL
Qorvo
QRVO
$8.67B
| $6.86M | ﹤0.01% |
75,300
+4,100
| +6% | +$365K |
|
1366
CALL
Ovintiv
OVV
$17.5B
| $6.86M | ﹤0.01% |
169,800
+49,400
| +41% | +$2.01M |
|
|
CMA
1367
PUT
DELISTED
Comerica
CMA
| $6.84M | ﹤0.01% |
99,800
+17,600
| +21% | +$1.18M |
|
1368
CarMax
KMX
$8.33B
| $6.83M | ﹤0.01% |
152,327
+142,038
| +1,380% | +$8.48M |
|
1369
PUT
Flutter Entertainment
FLUT
$17B
| $6.81M | ﹤0.01% |
26,800
-1,700
| -6% | -$498K |
|
1370
CALL
Illinois Tool Works
ITW
$83.3B
| $6.78M | ﹤0.01% |
26,000
-1,000
| -4% | -$261K |
|
1371
CALL
Deutsche Bank
DB
$72.1B
| $6.77M | ﹤0.01% |
191,200
+61,200
| +47% | +$2.09M |
|
1372
iShares 20+ Year Treasury Bond ETF
TLT
$40.8B
| $6.77M | ﹤0.01% |
75,752
-112,676
| -60% | -$9.86M |
|
1373
CALL
Zeta Global
ZETA
$7.44B
| $6.75M | ﹤0.01% |
339,800
-98,500
| -22% | -$1.77M |
|
1374
CALL
KE Holdings
BEKE
$19.2B
| $6.74M | ﹤0.01% |
354,800
+36,600
| +12% | +$686K |
|
1375
CALL
Roivant Sciences
ROIV
$26.2B
| $6.74M | ﹤0.01% |
+445,400
| New | +$5.51M |
|
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.