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 | |
|---|---|---|---|---|---|---|
2351
CALL
ING
ING
$93.2B
| $878K | ﹤0.01% |
+44,800
| New | +$796K |
|
2352
Melco Resorts & Entertainment
MLCO
$2.2B
| $876K | ﹤0.01% |
166,158
-47,783
| -22% | -$269K |
|
2353
Dave Inc
DAVE
$4.98B
| $874K | ﹤0.01% |
+10,570
| New | +$991K |
|
2354
Global E Online
GLBE
$6.63B
| $872K | ﹤0.01% |
+24,468
| New | +$1.2M |
|
2355
Allegro MicroSystems
ALGM
$7.93B
| $871K | ﹤0.01% |
+34,676
| New | +$865K |
|
2356
PUT
Jackson Financial
JXN
$8.51B
| $871K | ﹤0.01% |
+10,400
| New | +$924K |
|
2357
CALL
AGNC Investment
AGNC
$12.8B
| $871K | ﹤0.01% |
90,900
-66,800
| -42% | -$667K |
|
2358
PUT
H&R Block
HRB
$5.96B
| $868K | ﹤0.01% |
15,800
-18,400
| -54% | -$984K |
|
2359
PUT
PagerDuty
PD
$825M
| $866K | ﹤0.01% |
47,400
-4,300
| -8% | -$78.9K |
|
2360
CALL
Uranium Energy
UEC
$4.51B
| $866K | ﹤0.01% |
181,100
-345,900
| -66% | -$2.17M |
|
2361
Birkenstock
BIRK
$7.68B
| $866K | ﹤0.01% |
+18,878
| New | +$994K |
|
2362
CALL
Chemours
CC
$2.5B
| $862K | ﹤0.01% |
63,700
-12,700
| -17% | -$211K |
|
2363
CALL
Sensata Technologies
ST
$6.67B
| $862K | ﹤0.01% |
35,500
-45,700
| -56% | -$1.27M |
|
2364
ProShares Ultra MSCI Emerging Markets
EET
$31.4M
| $861K | ﹤0.01% |
16,057
-1,729
| -10% | -$93.1K |
|
2365
PUT
Sanofi
SNY
$108B
| $860K | ﹤0.01% |
15,500
-10,000
| -39% | -$541K |
|
2366
ProShares Short Russell2000
RWM
$133M
| $858K | ﹤0.01% |
+41,371
| New | +$795K |
|
2367
Dave & Buster's
PLAY
$358M
| $858K | ﹤0.01% |
48,839
-44,517
| -48% | -$1.05M |
|
2368
Canadian Solar
CSIQ
$932M
| $857K | ﹤0.01% |
99,116
-6,729
| -6% | -$70.9K |
|
2369
CALL
A.O. Smith
AOS
$8.55B
| $856K | ﹤0.01% |
13,100
-2,400
| -15% | -$162K |
|
2370
CALL
Recursion Pharmaceuticals
RXRX
$1.6B
| $854K | ﹤0.01% |
+161,400
| New | +$1.18M |
|
2371
LyondellBasell Industries
LYB
$19.7B
| $852K | ﹤0.01% |
12,107
-36,904
| -75% | -$2.78M |
|
2372
Unity
U
$13.8B
| $848K | ﹤0.01% |
43,307
+3,528
| +9% | +$79.7K |
|
2373
CALL
Amcor
AMCR
$20.9B
| $845K | ﹤0.01% |
+17,420
| New | +$858K |
|
2374
Direxion Daily Aerospace & Defense Bull 3X ETF
DFEN
$381M
| $845K | ﹤0.01% |
27,518
+9,050
| +49% | +$283K |
|
2375
CALL
Appian
APPN
$2.12B
| $844K | ﹤0.01% |
29,300
+14,200
| +94% | +$465K |
|
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.