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 | |
|---|---|---|---|---|---|---|
2251
PUT
MakeMyTrip
MMYT
$5.38B
| $1.04M | ﹤0.01% |
+10,600
| New | +$1.09M |
|
2252
CALL
Ryan Specialty Holdings
RYAN
$6.02B
| $1.03M | ﹤0.01% |
+14,000
| New | +$951K |
|
2253
CALL
Camtek
CAMT
$5.92B
| $1.03M | ﹤0.01% |
17,600
-6,200
| -26% | -$499K |
|
|
SPR
2254
PUT
DELISTED
Spirit AeroSystems
SPR
| $1.03M | ﹤0.01% |
29,900
-29,800
| -50% | -$1.02M |
|
2255
Coupang
CPNG
$27.2B
| $1.03M | ﹤0.01% |
46,890
+16,996
| +57% | +$395K |
|
2256
VanEck Uranium + Nuclear Energy ETF
NLR
$3.67B
| $1.02M | ﹤0.01% |
+13,982
| New | +$1.17M |
|
2257
PUT
Incyte
INCY
$25.8B
| $1.02M | ﹤0.01% |
+16,900
| New | +$1.18M |
|
2258
CALL
Vermilion Energy
VET
$1.66B
| $1.02M | ﹤0.01% |
126,200
+71,600
| +131% | +$640K |
|
2259
PUT
Brookfield
BN
$102B
| $1.02M | ﹤0.01% |
29,250
+8,850
| +43% | +$335K |
|
2260
CALL
Southern Copper
SCCO
$138B
| $1.02M | ﹤0.01% |
+11,422
| New | +$1.03M |
|
2261
CALL
Vanguard Global ex-US Real Estate ETF
VNQI
$3.51B
| $1.02M | ﹤0.01% |
22,500
-16,000
| -42% | -$643K |
|
2262
CALL
Pitney Bowes
PBI
$2.39B
| $1.02M | ﹤0.01% |
112,400
-23,000
| -17% | -$208K |
|
2263
PUT
Academy Sports + Outdoors
ASO
$3.04B
| $1.02M | ﹤0.01% |
22,300
-31,100
| -58% | -$1.6M |
|
2264
PUT
Carlyle Group
CG
$16.1B
| $1.02M | ﹤0.01% |
23,300
-21,800
| -48% | -$1.08M |
|
2265
Trump Media & Technology Group
DJT
$2.73B
| $1.01M | ﹤0.01% |
51,929
+14,762
| +40% | +$415K |
|
2266
PUT
Frontline
FRO
$8.71B
| $1.01M | ﹤0.01% |
+68,300
| New | +$1.13M |
|
2267
PUT
Parsons
PSN
$4.31B
| $1.01M | ﹤0.01% |
+17,100
| New | +$1.24M |
|
2268
PUT
Joby Aviation
JOBY
$6.54B
| $1M | ﹤0.01% |
166,800
+14,300
| +9% | +$107K |
|
2269
CALL
Ameren
AEE
$30.4B
| $1M | ﹤0.01% |
+10,000
| New | +$963K |
|
2270
Advance Auto Parts
AAP
$3.53B
| $1M | ﹤0.01% |
25,505
-9,726
| -28% | -$417K |
|
|
QLTB
2271
CALL
DELISTED
ISHARES BAA BA RATED CORP BOND FUND
QLTB
| $999K | ﹤0.01% |
+13,200
| New | +$999K |
|
2272
PUT
Altimmune
ALT
$568M
| $999K | ﹤0.01% |
199,700
-189,600
| -49% | -$1.2M |
|
2273
Harrow
HROW
$1.44B
| $998K | ﹤0.01% |
+37,523
| New | +$1.12M |
|
2274
CALL
Pagaya Technologies
PGY
$1.35B
| $998K | ﹤0.01% |
95,200
-27,000
| -22% | -$300K |
|
2275
PUT
Upwork
UPWK
$1.18B
| $997K | ﹤0.01% |
76,400
-59,200
| -44% | -$902K |
|
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.