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 | |
|---|---|---|---|---|---|---|
626
PUT
Baxter International
BAX
$12.5B
| $18M | 0.01% |
527,200
+460,700
| +693% | +$15.1M |
|
627
CALL
Aon
AON
$81.1B
| $18M | 0.01% |
45,100
+23,500
| +109% | +$9.01M |
|
628
CALL
Kraft Heinz
KHC
$32.1B
| $18M | 0.01% |
589,900
+270,900
| +85% | +$8.11M |
|
629
ProShares Ultra QQQ
QLD
$12.3B
| $17.9M | 0.01% |
+402,346
| New | +$21.3M |
|
630
CALL
WIX.com
WIX
$2.42B
| $17.8M | 0.01% |
109,000
-15,900
| -13% | -$3.3M |
|
631
CALL
HubSpot
HUBS
$12.1B
| $17.8M | 0.01% |
31,100
-10,900
| -26% | -$7.65M |
|
632
PUT
Monolithic Power Systems
MPWR
$64.2B
| $17.7M | 0.01% |
30,500
-4,600
| -13% | -$2.9M |
|
633
PUT
EQT Corp
EQT
$32.1B
| $17.6M | 0.01% |
330,300
-31,400
| -9% | -$1.6M |
|
634
PUT
Medtronic
MDT
$111B
| $17.6M | 0.01% |
195,800
-38,700
| -17% | -$3.46M |
|
635
GraniteShares ETF Trust GraniteShares 2x Long NVDA Daily ETF
NVDL
$3.26B
| $17.6M | 0.01% |
+1,410,702
| New | +$25.9M |
|
636
CALL
Best Buy
BBY
$19B
| $17.5M | 0.01% |
238,300
-67,200
| -22% | -$5.54M |
|
637
PUT
On Holding
ONON
$12.7B
| $17.5M | 0.01% |
398,400
+165,800
| +71% | +$8.72M |
|
638
CALL
Generac Holdings
GNRC
$11.5B
| $17.5M | 0.01% |
137,800
-88,200
| -39% | -$12.7M |
|
639
CALL
Sysco
SYY
$40.9B
| $17.4M | 0.01% |
231,800
+125,300
| +118% | +$9.18M |
|
640
PUT
HCA Healthcare
HCA
$89.5B
| $17.4M | 0.01% |
50,300
-24,000
| -32% | -$7.72M |
|
641
PUT
Howmet Aerospace
HWM
$114B
| $17.4M | 0.01% |
133,900
+66,800
| +100% | +$8.48M |
|
642
ProShares UltraPro Short QQQ
SQQQ
$2.14B
| $17.3M | 0.01% |
+90,342
| New | +$14.3M |
|
643
CALL
Realty Income
O
$61.2B
| $17.3M | 0.01% |
298,400
+9,600
| +3% | +$531K |
|
644
CALL
Waste Management
WM
$96B
| $17.3M | 0.01% |
74,700
+28,400
| +61% | +$6.29M |
|
|
TEM
645
PUT
Tempus AI
TEM
$7.65B
| $17.3M | 0.01% |
358,100
+221,600
| +162% | +$12M |
|
646
WisdomTree Bitcoin Fund
BTCW
$138M
| $17.3M | 0.01% |
+197,746
| New | +$19.5M |
|
647
CALL
iShares MSCI Australia ETF
EWA
$1.39B
| $17.2M | 0.01% |
559,300
-322,300
| -37% | -$7.83M |
|
648
PUT
Snap
SNAP
$7.94B
| $17.2M | 0.01% |
1,971,600
-380,500
| -16% | -$3.97M |
|
649
PUT
W.W. Grainger
GWW
$66.2B
| $17.1M | 0.01% |
17,300
-8,200
| -32% | -$8.48M |
|
650
CALL
Prudential Financial
PRU
$43.2B
| $17M | 0.01% |
152,400
+24,700
| +19% | +$2.81M |
|
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.