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 | |
|---|---|---|---|---|---|---|
1451
CALL
Zions Bancorporation
ZION
$10.1B
| $3.39M | ﹤0.01% |
67,900
-2,900
| -4% | -$156K |
|
1452
CALL
PennyMac Financial
PFSI
$4.47B
| $3.38M | ﹤0.01% |
33,800
-9,300
| -22% | -$954K |
|
1453
CALL
Shift4
FOUR
$4.45B
| $3.37M | ﹤0.01% |
41,300
+14,300
| +53% | +$1.47M |
|
1454
CALL
Freshpet
FRPT
$3.04B
| $3.37M | ﹤0.01% |
40,500
+24,800
| +158% | +$3.03M |
|
1455
KE Holdings
BEKE
$17.7B
| $3.36M | ﹤0.01% |
+167,185
| New | +$3.31M |
|
1456
PUT
TripAdvisor
TRIP
$1.7B
| $3.36M | ﹤0.01% |
237,000
-14,500
| -6% | -$227K |
|
1457
Western Digital
WDC
$159B
| $3.35M | ﹤0.01% |
+82,850
| New | +$3.93M |
|
1458
PUT
Hertz
HTZ
$527M
| $3.34M | ﹤0.01% |
848,800
+564,600
| +199% | +$2.27M |
|
1459
PUT
Intuitive Machines
LUNR
$1.83B
| $3.33M | ﹤0.01% |
446,900
+99,600
| +29% | +$1.57M |
|
1460
PUT
Entergy
ETR
$50.3B
| $3.33M | ﹤0.01% |
38,900
+22,000
| +130% | +$1.81M |
|
1461
CALL
Bank of Montreal
BMO
$123B
| $3.32M | ﹤0.01% |
34,800
+2,500
| +8% | +$247K |
|
1462
CALL
Ametek
AME
$53.9B
| $3.32M | ﹤0.01% |
19,300
+7,500
| +64% | +$1.36M |
|
|
FLG
1463
PUT
Flagstar Bank National Association
FLG
$5.87B
| $3.32M | ﹤0.01% |
285,800
-210,100
| -42% | -$2.36M |
|
1464
CALL
IES Holdings
IESC
$9.89B
| $3.32M | ﹤0.01% |
20,100
-7,500
| -27% | -$1.56M |
|
1465
Nice
NICE
$6.15B
| $3.31M | ﹤0.01% |
21,449
+11,294
| +111% | +$1.81M |
|
|
RDFN
1466
PUT
DELISTED
Redfin
RDFN
| $3.3M | ﹤0.01% |
358,200
-250,300
| -41% | -$2.14M |
|
1467
Hasbro
HAS
$13.5B
| $3.3M | ﹤0.01% |
+53,611
| New | +$3.24M |
|
1468
PUT
Universal Display
OLED
$3.75B
| $3.29M | ﹤0.01% |
23,600
+3,800
| +19% | +$568K |
|
1469
CALL
Ventas
VTR
$47.5B
| $3.27M | ﹤0.01% |
47,600
+5,400
| +13% | +$345K |
|
1470
PUT
Grayscale Bitcoin Trust
GBTC
$9.54B
| $3.27M | ﹤0.01% |
50,200
-100
| -0.2% | -$7.37K |
|
|
JNPR
1471
CALL
DELISTED
Juniper Networks
JNPR
| $3.26M | ﹤0.01% |
90,200
+59,300
| +192% | +$2.17M |
|
1472
CALL
Copart
CPRT
$28.5B
| $3.25M | ﹤0.01% |
57,500
-2,700
| -4% | -$152K |
|
1473
CALL
Lumen
LUMN
$6.43B
| $3.25M | ﹤0.01% |
829,800
-79,600
| -9% | -$397K |
|
1474
CALL
HSBC
HSBC
$352B
| $3.25M | ﹤0.01% |
56,600
-19,000
| -25% | -$1.04M |
|
1475
CALL
Solventum
SOLV
$15.3B
| $3.23M | ﹤0.01% |
42,500
+13,900
| +49% | +$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.