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 | |
|---|---|---|---|---|---|---|
2376
CALL
Helmerich & Payne
HP
$4.29B
| $1.64M | ﹤0.01% |
74,200
-17,700
| -19% | -$326K |
|
|
HIVE
2377
PUT
HIVE Digital Technologies
HIVE
$706M
| $1.64M | ﹤0.01% |
+406,500
| New | +$1.09M |
|
2378
CALL
iPath Series B S&P 500 VIX Mid-Term Futures ETN
VXZ
$30.5M
| $1.64M | ﹤0.01% |
29,500
+1,400
| +5% | +$80.6K |
|
2379
Pentair
PNR
$10.5B
| $1.64M | ﹤0.01% |
+14,764
| New | +$1.58M |
|
2380
PUT
TTM Technologies
TTMI
$14.5B
| $1.62M | ﹤0.01% |
+28,200
| New | +$1.31M |
|
|
SII
2381
CALL
Sprott
SII
$3.03B
| $1.62M | ﹤0.01% |
19,500
+7,100
| +57% | +$495K |
|
2382
CALL
CVR Energy
CVI
$3.52B
| $1.62M | ﹤0.01% |
44,400
+16,400
| +59% | +$491K |
|
2383
CALL
Antero Midstream
AM
$10.6B
| $1.62M | ﹤0.01% |
83,200
+19,000
| +30% | +$343K |
|
2384
Doximity
DOCS
$4.74B
| $1.61M | ﹤0.01% |
22,052
-17,658
| -44% | -$1.15M |
|
2385
CALL
Progress Software
PRGS
$1.79B
| $1.61M | ﹤0.01% |
+36,700
| New | +$1.69M |
|
2386
CALL
Charles River Laboratories
CRL
$13.4B
| $1.61M | ﹤0.01% |
10,300
-1,800
| -15% | -$286K |
|
2387
CALL
Tidewater
TDW
$4.56B
| $1.61M | ﹤0.01% |
30,200
-10,700
| -26% | -$586K |
|
2388
Merck
MRK
$328B
| $1.61M | ﹤0.01% |
+19,187
| New | +$1.58M |
|
2389
NextNav
NN
$3.25B
| $1.61M | ﹤0.01% |
112,283
+21,242
| +23% | +$335K |
|
2390
McCormick & Company Non-Voting
MKC
$14.2B
| $1.6M | ﹤0.01% |
+23,973
| New | +$1.68M |
|
2391
Celanese
CE
$4.75B
| $1.6M | ﹤0.01% |
+38,112
| New | +$1.9M |
|
2392
PUT
Globant
GLOB
$1.77B
| $1.6M | ﹤0.01% |
27,900
+4,400
| +19% | +$324K |
|
2393
CALL
RUM Group Inc
RUM
$3.74B
| $1.6M | ﹤0.01% |
220,400
-1,300
| -0.6% | -$10.6K |
|
2394
PUT
Banc of California
BANC
$3.1B
| $1.6M | ﹤0.01% |
96,400
-17,200
| -15% | -$269K |
|
2395
PUT
Chemours
CC
$2.29B
| $1.6M | ﹤0.01% |
100,700
-13,100
| -12% | -$190K |
|
2396
Concentrix
CNXC
$1.5B
| $1.59M | ﹤0.01% |
+34,549
| New | +$1.84M |
|
2397
CALL
Fastly Inc
FSLY
$4.78B
| $1.59M | ﹤0.01% |
186,300
+19,400
| +12% | +$144K |
|
2398
CALL
Axsome Therapeutics
AXSM
$11.2B
| $1.59M | ﹤0.01% |
+13,100
| New | +$1.48M |
|
2399
PUT
Virgin Galactic
SPCE
$475M
| $1.59M | ﹤0.01% |
412,100
+145,700
| +55% | +$488K |
|
2400
Campbell Soup
CPB
$6.74B
| $1.59M | ﹤0.01% |
50,275
-7,494
| -13% | -$242K |
|
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.