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 Russell 2000 ETF
IWM
|
+$106M |
| 2 |
Advanced Micro Devices
AMD
|
+$81.1M |
| 3 |
Amazon
AMZN
|
+$73M |
| 4 |
TSMC
TSM
|
+$68.5M |
| 5 |
iShares Silver Trust
SLV
|
+$64.5M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
State Street SPDR S&P 500 ETF Trust
SPY
|
+$214M |
| 2 |
iShares Core S&P 500 ETF
IVV
|
+$209M |
| 3 |
Invesco NASDAQ 100 ETF
QQQM
|
+$209M |
| 4 |
Vanguard S&P 500 ETF
VOO
|
+$150M |
| 5 |
Meta Platforms (Facebook)
META
|
+$102M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 0.28% |
| 2 | Consumer Discretionary | 0.23% |
| 3 | Healthcare | 0.11% |
| 4 | Communication Services | 0.09% |
| 5 | Financials | 0.07% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
1751
CALL
NextNav
NN
$1.79B
| $2.17M | ﹤0.01% |
177,900
+21,300
| +14% | +$257K |
|
1752
CALL
New Fortress Energy
NFE
$92.9M
| $2.16M | ﹤0.01% |
260,300
+35,900
| +16% | +$442K |
|
1753
PUT
International Flavors & Fragrances
IFF
$20.3B
| $2.16M | ﹤0.01% |
27,800
+8,200
| +42% | +$676K |
|
1754
Boston Scientific
BSX
$68.4B
| $2.16M | ﹤0.01% |
21,387
-2,726
| -11% | -$274K |
|
1755
PUT
Sysco
SYY
$40.8B
| $2.15M | ﹤0.01% |
28,700
-24,700
| -46% | -$1.81M |
|
|
GRRR
1756
PUT
Gorilla Technology Group
GRRR
$296M
| $2.15M | ﹤0.01% |
+72,700
| New | +$1.65M |
|
|
SA
1757
PUT
Seabridge Gold
SA
$2.72B
| $2.15M | ﹤0.01% |
184,100
+67,900
| +58% | +$805K |
|
1758
CALL
Clean Harbors
CLH
$17.2B
| $2.15M | ﹤0.01% |
+10,900
| New | +$2.39M |
|
1759
CALL
ARK 21Shares Bitcoin ETF
ARKB
$2.42B
| $2.15M | ﹤0.01% |
78,300
-35,700
| -31% | -$1.11M |
|
1760
Amplify Junior Silver Miners ETF
SILJ
$3.14B
| $2.14M | ﹤0.01% |
176,491
+9,889
| +6% | +$112K |
|
1761
CALL
Novavax
NVAX
$1.21B
| $2.14M | ﹤0.01% |
333,600
+99,200
| +42% | +$820K |
|
1762
PUT
Clear Secure
YOU
$5.88B
| $2.13M | ﹤0.01% |
82,400
+22,900
| +38% | +$570K |
|
|
PR
1763
CALL
Permian Resources
PR
$17.4B
| $2.13M | ﹤0.01% |
154,100
+39,900
| +35% | +$571K |
|
1764
PG&E
PCG
$39B
| $2.13M | ﹤0.01% |
+123,823
| New | +$2.05M |
|
1765
CALL
Procore
PCOR
$7.57B
| $2.13M | ﹤0.01% |
32,200
+5,400
| +20% | +$407K |
|
1766
CALL
Magna International
MGA
$18.8B
| $2.12M | ﹤0.01% |
62,500
+23,400
| +60% | +$899K |
|
1767
CALL
Plug Power
PLUG
$2.65B
| $2.12M | ﹤0.01% |
1,572,600
-191,500
| -11% | -$364K |
|
1768
CRISPR Therapeutics
CRSP
$4.69B
| $2.12M | ﹤0.01% |
62,214
-24,255
| -28% | -$1.03M |
|
1769
CALL
Extra Space Storage
EXR
$32.3B
| $2.11M | ﹤0.01% |
14,200
+2,200
| +18% | +$334K |
|
1770
PUT
Corebridge Financial
CRBG
$14.3B
| $2.11M | ﹤0.01% |
66,700
-20,100
| -23% | -$651K |
|
1771
CALL
PVH
PVH
$4.07B
| $2.1M | ﹤0.01% |
32,500
+4,600
| +16% | +$372K |
|
1772
PUT
Applied Optoelectronics
AAOI
$6.14B
| $2.1M | ﹤0.01% |
136,700
-26,900
| -16% | -$676K |
|
1773
CALL
Telephone and Data Systems
TDS
$3.87B
| $2.09M | ﹤0.01% |
54,000
+30,800
| +133% | +$1.11M |
|
1774
CALL
Restaurant Brands International
QSR
$26.2B
| $2.09M | ﹤0.01% |
31,300
-1,500
| -5% | -$96.7K |
|
1775
CALL
CNX Resources
CNX
$4.91B
| $2.08M | ﹤0.01% |
66,100
-34,600
| -34% | -$1.04M |
|
Similar funds
IMC Chicago's Q1 2025 Portfolio in Review
As of Q1 2025, IMC Chicago held 3,586 positions worth $177B, down 18% from $215B the previous quarter. Its ten largest holdings account for 46% of the portfolio.
IMC Chicago withdrew a net $21.1B in Q1 2025, closing 516 positions and reducing 1,388 holdings. Its most notable exit was iShares Core S&P 500 ETF, an estimated $209M position sold in full.
By sector, the portfolio is most concentrated in Technology at 0.28% of assets, down from 0.32% a quarter earlier, followed by Consumer Discretionary and Healthcare.
Against the trend, IMC Chicago opened a new position in Amazon worth $64M.
- IMC Chicago's largest Q1 2025 buy was Amazon: 336,493 shares worth $64M.
- IMC Chicago added most to iShares Russell 2000 ETF in Q1 2025, an estimated $106M increase.
- IMC Chicago's biggest Q1 2025 reduction was State Street SPDR S&P 500 ETF Trust, cutting an estimated $214M.
- IMC Chicago fully exited iShares Core S&P 500 ETF in Q1 2025, selling an estimated $209M.
- IMC Chicago's ten largest holdings make up 46% of its $177B portfolio in Q1 2025.
- IMC Chicago opened 482 new positions and closed 516 in Q1 2025.
- IMC Chicago's portfolio value fell 18% quarter-over-quarter to $177B.
Based on IMC Chicago's 13F filing for Q1 2025, filed 14 Apr 2025.