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 | |
|---|---|---|---|---|---|---|
3126
BigBear.ai
BBAI
$1.6B
| $287K | ﹤0.01% |
42,279
-130,906
| -76% | -$473K |
|
3127
PUT
Arvinas
ARVN
$588M
| $287K | ﹤0.01% |
39,000
+5,700
| +17% | +$42K |
|
3128
Cerence
CRNC
$381M
| $286K | ﹤0.01% |
+28,005
| New | +$246K |
|
3129
CALL
Valley National Bancorp
VLY
$8.16B
| $284K | ﹤0.01% |
31,800
-10,600
| -25% | -$92K |
|
|
3130
PUT
Valley National Bancorp
VLY
$8.16B
| $283K | ﹤0.01% |
31,700
-17,100
| -35% | -$148K |
|
3131
PUT
Weibo
WB
$1.93B
| $282K | ﹤0.01% |
29,600
-10,000
| -25% | -$87.9K |
|
3132
CALL
MaxLinear
MXL
$6.26B
| $281K | ﹤0.01% |
+19,800
| New | +$228K |
|
|
PMT
3133
CALL
PennyMac Mortgage Investment
PMT
$824M
| $280K | ﹤0.01% |
21,800
-3,800
| -15% | -$48.4K |
|
|
FFAI
3134
CALL
Faraday Future Intelligent Electric
FFAI
$10.6M
| $280K | ﹤0.01% |
1,111
-136
| -11% | -$25K |
|
3135
Community Health Systems
CYH
$400M
| $279K | ﹤0.01% |
+82,042
| New | +$264K |
|
3136
Perrigo
PRGO
$1.78B
| $278K | ﹤0.01% |
+10,419
| New | +$273K |
|
3137
PUT
Children's Place
PLCE
$56.3M
| $278K | ﹤0.01% |
+62,800
| New | +$354K |
|
3138
Rithm Capital
RITM
$5.72B
| $278K | ﹤0.01% |
+24,638
| New | +$271K |
|
|
ETHE
3139
PUT
Grayscale Ethereum Staking ETF Shares
ETHE
$1.52B
| $277K | ﹤0.01% |
+13,300
| New | +$243K |
|
|
NMAX
3140
PUT
Newsmax Inc
NMAX
$1.13B
| $277K | ﹤0.01% |
+18,300
| New | +$479K |
|
3141
PUT
Beyond Meat
BYND
$215M
| $276K | ﹤0.01% |
79,100
-98,200
| -55% | -$284K |
|
|
FINV
3142
CALL
FinVolution Group
FINV
$1.05B
| $276K | ﹤0.01% |
+29,100
| New | +$249K |
|
3143
PUT
Krispy Kreme
DNUT
$536M
| $276K | ﹤0.01% |
94,700
+40,700
| +75% | +$142K |
|
3144
Caleres
CAL
$475M
| $276K | ﹤0.01% |
+22,546
| New | +$338K |
|
3145
CALL
Palladyne AI
PDYN
$312M
| $275K | ﹤0.01% |
+31,800
| New | +$225K |
|
|
3146
CALL
Caleres
CAL
$475M
| $274K | ﹤0.01% |
22,400
-7,200
| -24% | -$108K |
|
3147
PUT
Teucrium Wheat Fund
WEAT
$290M
| $273K | ﹤0.01% |
+12,300
| New | +$283K |
|
|
CRON
3148
PUT
Cronos Group
CRON
$1.13B
| $273K | ﹤0.01% |
142,800
-24,600
| -15% | -$46.6K |
|
|
SMCZ
3149
Defiance Daily Target 2X Short SMCI ETF
SMCZ
$4.73M
| $273K | ﹤0.01% |
+6,832
| New | +$660K |
|
3150
PUT
Remitly
RELY
$4.97B
| $272K | ﹤0.01% |
+14,500
| New | +$302K |
|
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.