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 | |
|---|---|---|---|---|---|---|
|
TUZ
2476
PUT
DELISTED
PIMCO 1-3 Year U.S. Treasury Index Exchange-Traded Fund
TUZ
| $1.01M | ﹤0.01% |
+15,000
| New | +$1.01M |
|
|
ETHA
2477
iShares Ethereum Trust ETF
ETHA
$5.56B
| $1M | ﹤0.01% |
52,685
-112,820
| -68% | -$1.88M |
|
2478
PUT
Ventas
VTR
$46.3B
| $1M | ﹤0.01% |
+15,900
| New | +$1.04M |
|
2479
TG Therapeutics
TGTX
$7.34B
| $1M | ﹤0.01% |
+27,855
| New | +$1.04M |
|
|
OSG
2480
Octave Specialty Group
OSG
$212M
| $1M | ﹤0.01% |
141,026
+46,223
| +49% | +$344K |
|
2481
CALL
Fortuna Silver Mines
FSM
$3.1B
| $1M | ﹤0.01% |
153,000
+33,000
| +28% | +$204K |
|
2482
CALL
A.O. Smith
AOS
$8.49B
| $997K | ﹤0.01% |
15,200
+2,100
| +16% | +$137K |
|
2483
CALL
Global X MSCI Norway ETF
NORW
$88.1M
| $991K | ﹤0.01% |
11,700
-2,400
| -17% | -$66.4K |
|
2484
CALL
Innoviz Technologies
INVZ
$114M
| $991K | ﹤0.01% |
604,300
-25,000
| -4% | -$21.8K |
|
2485
PUT
MakeMyTrip
MMYT
$5.71B
| $990K | ﹤0.01% |
10,100
-500
| -5% | -$50.4K |
|
2486
Eos Energy Enterprises
EOSE
$1.51B
| $990K | ﹤0.01% |
193,266
+65,609
| +51% | +$322K |
|
2487
PUT
Smith & Wesson
SWBI
$643M
| $989K | ﹤0.01% |
113,900
+65,700
| +136% | +$622K |
|
2488
CALL
Olin
OLN
$2.17B
| $988K | ﹤0.01% |
49,200
-11,600
| -19% | -$241K |
|
2489
PUT
Fox Class A
FOXA
$27.5B
| $986K | ﹤0.01% |
17,600
-6,600
| -27% | -$348K |
|
2490
CALL
Zillow
ZG
$8.15B
| $986K | ﹤0.01% |
14,400
-500
| -3% | -$33.1K |
|
|
ETOR
2491
eToro Group
ETOR
$2.3B
| $986K | ﹤0.01% |
+14,801
| New | +$953K |
|
2492
PUT
Vanguard Short-Term Treasury ETF
VGSH
$30.2B
| $986K | ﹤0.01% |
+11,300
| New | +$662K |
|
|
SEE
2493
CALL
DELISTED
Sealed Air
SEE
| $984K | ﹤0.01% |
31,700
-1,300
| -4% | -$38.7K |
|
2494
CALL
Planet Labs
PL
$8.82B
| $981K | ﹤0.01% |
+160,800
| New | +$657K |
|
|
HSAI
2495
Hesai Group
HSAI
$3.03B
| $980K | ﹤0.01% |
+44,646
| New | +$786K |
|
2496
CALL
Sanofi
SNY
$105B
| $976K | ﹤0.01% |
20,200
-3,300
| -14% | -$169K |
|
2497
PUT
ArcelorMittal
MT
$55.2B
| $976K | ﹤0.01% |
30,900
+17,800
| +136% | +$526K |
|
2498
Innodata
INOD
$2.03B
| $975K | ﹤0.01% |
+19,032
| New | +$751K |
|
2499
CALL
Hecla Mining
HL
$11.9B
| $975K | ﹤0.01% |
162,700
+19,000
| +13% | +$105K |
|
2500
PUT
Ramaco Resources Class A
METC
$667M
| $974K | ﹤0.01% |
74,100
+35,648
| +93% | +$341K |
|
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.