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 | |
|---|---|---|---|---|---|---|
|
VRE
3251
DELISTED
Veris Residential
VRE
| $206K | ﹤0.01% |
+13,851
| New | +$213K |
|
3252
CALL
Sinclair Inc
SBGI
$989M
| $206K | ﹤0.01% |
+14,900
| New | +$212K |
|
|
PPTA
3253
Perpetua Resources
PPTA
$3.18B
| $206K | ﹤0.01% |
+16,955
| New | +$228K |
|
3254
Microvast
MVST
$288M
| $205K | ﹤0.01% |
+56,381
| New | +$165K |
|
|
TWO
3255
PUT
Two Harbors Investment
TWO
$1.26B
| $205K | ﹤0.01% |
+19,000
| New | +$214K |
|
3256
CALL
Haleon
HLN
$43.7B
| $204K | ﹤0.01% |
+19,700
| New | +$208K |
|
3257
CALL
Ero Copper
ERO
$3.79B
| $204K | ﹤0.01% |
+12,100
| New | +$163K |
|
3258
PUT
Infosys
INFY
$51B
| $204K | ﹤0.01% |
11,000
-31,900
| -74% | -$570K |
|
3259
PUT
NovoCure
NVCR
$2.06B
| $203K | ﹤0.01% |
+11,400
| New | +$199K |
|
3260
CALL
Takeda Pharmaceutical
TAK
$55.8B
| $203K | ﹤0.01% |
13,100
-900
| -6% | -$13.3K |
|
3261
PUT
Coty
COTY
$2.48B
| $201K | ﹤0.01% |
43,200
-18,500
| -30% | -$91.6K |
|
3262
CALL
Stratasys
SSYS
$782M
| $201K | ﹤0.01% |
17,500
-40,700
| -70% | -$413K |
|
3263
Applied Optoelectronics
AAOI
$11.4B
| – | – |
-68,604
| Closed | -$1.11M |
|
3264
Arbor Realty Trust
ABR
$998M
| – | – |
-80,792
| Closed | -$851K |
|
3265
CALL
ProFrac Holding
ACDC
$960M
| – | – |
-28,700
| Closed | -$218K |
|
3266
CALL
Acadia Healthcare
ACHC
$2.9B
| – | – |
-20,000
| Closed | -$606K |
|
3267
Axcelis
ACLS
$4.18B
| – | – |
-11,308
| Closed | -$645K |
|
3268
PUT
ADT
ADT
$5.44B
| – | – |
-51,000
| Closed | -$415K |
|
3269
PUT
Advanced Energy
AEIS
$13.1B
| – | – |
-16,400
| Closed | -$1.56M |
|
3270
First Majestic Silver
AG
$9.35B
| – | – |
-48,859
| Closed | -$329K |
|
3271
CALL
Agilon Health
AGL
$1.45B
| – | – |
-2,444
| Closed | -$265K |
|
|
3272
PUT
Agilon Health
AGL
$1.45B
| – | – |
-3,020
| Closed | -$327K |
|
3273
CALL
Assured Guaranty
AGO
$3.31B
| – | – |
-30,700
| Closed | -$2.7M |
|
3274
CALL
Alcon
ALC
$36.7B
| – | – |
-23,700
| Closed | -$2.25M |
|
3275
Allegro MicroSystems
ALGM
$7.93B
| – | – |
-34,676
| Closed | -$864K |
|
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.