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 Bitcoin Trust
IBIT
|
+$232M |
| 2 |
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
|
+$168M |
| 3 |
Apple
AAPL
|
+$149M |
| 4 |
State Street Financial Select Sector SPDR ETF
XLF
|
+$136M |
| 5 |
UnitedHealth
UNH
|
+$110M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Invesco QQQ Trust
QQQ
|
+$153M |
| 2 |
iShares Russell 2000 ETF
IWM
|
+$127M |
| 3 |
Advanced Micro Devices
AMD
|
+$97.1M |
| 4 |
TSMC
TSM
|
+$65.3M |
| 5 |
SPYM
State Street SPDR Portfolio S&P 500 ETF
SPYM
|
+$57.6M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 0.32% |
| 2 | Consumer Discretionary | 0.25% |
| 3 | Healthcare | 0.13% |
| 4 | Communication Services | 0.1% |
| 5 | Financials | 0.1% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
2226
PUT
Western Midstream Partners
WES
$19.9B
| $1.46M | ﹤0.01% |
37,800
+2,300
| +6% | +$87.5K |
|
2227
CALL
Agree Realty
ADC
$9.25B
| $1.46M | ﹤0.01% |
20,000
+900
| +5% | +$67.7K |
|
2228
PUT
BlackBerry
BB
$5.27B
| $1.46M | ﹤0.01% |
318,300
-147,200
| -32% | -$555K |
|
2229
PUT
Barclays
BCS
$94.4B
| $1.45M | ﹤0.01% |
78,200
+48,300
| +162% | +$799K |
|
2230
PUT
Axcelis
ACLS
$4.39B
| $1.45M | ﹤0.01% |
20,800
-7,300
| -26% | -$416K |
|
2231
Cleveland-Cliffs
CLF
$6.99B
| $1.45M | ﹤0.01% |
190,558
-159,615
| -46% | -$1.19M |
|
2232
CALL
Clover Health Investments
CLOV
$2.41B
| $1.45M | ﹤0.01% |
518,000
+120,400
| +30% | +$396K |
|
|
DENT
2233
PUT
DELISTED
AdvisorShares Dent Tactical ETF
DENT
| $1.44M | ﹤0.01% |
599,500
+103,800
| +21% | +$250K |
|
2234
Roundhill N-100 0DTE Covered Call Strategy ETF
QDTE
$964M
| $1.44M | ﹤0.01% |
+40,635
| New | +$1.35M |
|
2235
PUT
Herbalife
HLF
$1.23B
| $1.44M | ﹤0.01% |
166,600
-7,500
| -4% | -$55.7K |
|
2236
CALL
Recursion Pharmaceuticals
RXRX
$1.78B
| $1.44M | ﹤0.01% |
283,700
+122,300
| +76% | +$601K |
|
2237
Rigetti Computing
RGTI
$6.21B
| $1.43M | ﹤0.01% |
+120,972
| New | +$1.28M |
|
2238
dLocal
DLO
$4.34B
| $1.43M | ﹤0.01% |
125,838
+89,374
| +245% | +$880K |
|
2239
PUT
GDS Holdings
GDS
$6.97B
| $1.42M | ﹤0.01% |
46,600
-21,800
| -32% | -$553K |
|
|
DQ
2240
Daqo New Energy
DQ
$988M
| $1.42M | ﹤0.01% |
93,483
+19,583
| +26% | +$278K |
|
2241
PUT
Avantor
AVTR
$9.37B
| $1.41M | ﹤0.01% |
105,100
+58,700
| +127% | +$803K |
|
2242
PUT
Altimmune
ALT
$560M
| $1.41M | ﹤0.01% |
364,900
+165,200
| +83% | +$894K |
|
2243
Golar LNG
GLNG
$5.2B
| $1.41M | ﹤0.01% |
34,283
-2,182
| -6% | -$86K |
|
2244
PUT
Galicia Financial Group
GGAL
$7.1B
| $1.41M | ﹤0.01% |
28,000
+3,400
| +14% | +$195K |
|
2245
PUT
Tower Semiconductor
TSEM
$28.6B
| $1.41M | ﹤0.01% |
32,500
-11,000
| -25% | -$422K |
|
2246
Bloom Energy
BE
$69.6B
| $1.41M | ﹤0.01% |
+58,767
| New | +$1.14M |
|
2247
PUT
Sibanye-Stillwater
SBSW
$7.42B
| $1.4M | ﹤0.01% |
194,300
+128,200
| +194% | +$701K |
|
2248
PUT
Mattel
MAT
$4.19B
| $1.4M | ﹤0.01% |
71,000
+24,500
| +53% | +$436K |
|
2249
PUT
Equinox Gold
EQX
$13.1B
| $1.4M | ﹤0.01% |
242,900
+126,700
| +109% | +$823K |
|
2250
Nasdaq
NDAQ
$53.5B
| $1.39M | ﹤0.01% |
+15,591
| New | +$1.24M |
|
Similar funds
IMC Chicago's Q2 2025 Portfolio in Review
As of Q2 2025, IMC Chicago held 3,685 positions worth $225B, up 27% from $177B the previous quarter. Its ten largest holdings account for 42% of the portfolio.
IMC Chicago deployed $13.1B of net new capital in Q2 2025, opening 615 new positions and adding to 1,602 existing holdings. Its largest new stake was iShares Bitcoin Trust: 4,132,010 shares worth $253M.
By sector, the portfolio is most concentrated in Technology at 0.32% of assets, up from 0.28% a quarter earlier, followed by Consumer Discretionary and Healthcare.
On the sell side, the largest reduction was Invesco QQQ Trust, an estimated $153M trimmed.
- IMC Chicago's largest Q2 2025 buy was iShares Bitcoin Trust: 4,132,010 shares worth $253M.
- IMC Chicago added most to Sprott Physical Gold in Q2 2025, an estimated $77.8M increase.
- IMC Chicago's biggest Q2 2025 reduction was Invesco QQQ Trust, cutting an estimated $153M.
- IMC Chicago fully exited Advanced Micro Devices in Q2 2025, selling an estimated $97.1M.
- IMC Chicago's ten largest holdings make up 42% of its $225B portfolio in Q2 2025.
- IMC Chicago opened 615 new positions and closed 423 in Q2 2025.
- IMC Chicago's portfolio value rose 27% quarter-over-quarter to $225B.
Based on IMC Chicago's 13F filing for Q2 2025, filed 22 Jul 2025.