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 | |
|---|---|---|---|---|---|---|
176
CALL
Zscaler
ZS
$23B
| $104M | 0.06% |
522,600
-77,000
| -13% | -$15.3M |
|
177
CALL
Lam Research
LRCX
$382B
| $104M | 0.06% |
1,424,800
-311,100
| -18% | -$24.5M |
|
178
PUT
FedEx
FDX
$74.5B
| $103M | 0.06% |
424,300
-136,600
| -24% | -$35.4M |
|
179
CALL
United Parcel Service
UPS
$97.6B
| $103M | 0.06% |
937,000
+100,700
| +12% | +$12M |
|
180
PUT
Baidu
BIDU
$35.8B
| $102M | 0.06% |
1,109,900
+291,500
| +36% | +$26.2M |
|
181
PUT
Walt Disney
DIS
$165B
| $102M | 0.06% |
1,033,900
-200,600
| -16% | -$21.6M |
|
182
CALL
Ulta Beauty
ULTA
$20.4B
| $101M | 0.06% |
275,900
-45,200
| -14% | -$17.2M |
|
183
PUT
Chevron
CVX
$388B
| $101M | 0.06% |
603,600
+130,300
| +28% | +$20.4M |
|
|
184
PUT
iShares Silver Trust
SLV
$28.1B
| $99.3M | 0.06% |
3,204,500
+1,168,000
| +57% | +$33.9M |
|
185
PUT
Direxion Daily Technology Bull 3x ETF
TECL
$5.14B
| $98.2M | 0.06% |
3,402,300
+44,500
| +1% | +$3.62M |
|
186
PUT
Reddit
RDDT
$32.5B
| $97.6M | 0.06% |
930,500
+52,500
| +6% | +$8.68M |
|
187
CALL
State Street Financial Select Sector SPDR ETF
XLF
$55.6B
| $96.1M | 0.05% |
1,930,000
-542,000
| -22% | -$27.2M |
|
|
188
PUT
Vanguard S&P 500 ETF
VOO
$968B
| $95.9M | 0.05% |
242,800
-167,100
| -41% | -$90.3M |
|
189
PUT
Morgan Stanley
MS
$337B
| $95.9M | 0.05% |
822,300
+192,200
| +31% | +$24.8M |
|
190
PUT
Johnson & Johnson
JNJ
$635B
| $95.9M | 0.05% |
578,100
+140,000
| +32% | +$21.9M |
|
|
191
PUT
Lam Research
LRCX
$382B
| $93.6M | 0.05% |
1,287,300
-699,500
| -35% | -$55.1M |
|
|
192
Advanced Micro Devices
AMD
$851B
| $91.6M | 0.05% |
891,794
+729,732
| +450% | +$81.1M |
|
193
CALL
First Solar
FSLR
$21.8B
| $90.6M | 0.05% |
716,800
-48,800
| -6% | -$7.62M |
|
194
CALL
AbbVie
ABBV
$458B
| $88.7M | 0.05% |
423,300
-122,300
| -22% | -$23.8M |
|
195
CALL
United Airlines
UAL
$38.4B
| $88.5M | 0.05% |
1,282,400
-351,300
| -22% | -$33.2M |
|
196
PUT
Intuitive Surgical
ISRG
$121B
| $88.5M | 0.05% |
178,700
+3,100
| +2% | +$1.71M |
|
197
PUT
Robinhood
HOOD
$85.2B
| $88.1M | 0.05% |
2,116,300
+328,000
| +18% | +$15.6M |
|
198
CALL
Eaton
ETN
$157B
| $87.2M | 0.05% |
320,900
+214,100
| +200% | +$66.7M |
|
199
CALL
ProShares Ultra Bloomberg Natural Gas
BOIL
$417M
| $87.1M | 0.05% |
1,109,950
-634,450
| -36% | -$95.3M |
|
|
200
PUT
United Airlines
UAL
$38.4B
| $87M | 0.05% |
1,259,300
-478,600
| -28% | -$45.2M |
|
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.