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 | |
|---|---|---|---|---|---|---|
2451
CALL
Ericsson
ERIC
$32.5B
| $741K | ﹤0.01% |
95,500
+43,800
| +85% | +$354K |
|
2452
Chipotle Mexican Grill
CMG
$43.5B
| $741K | ﹤0.01% |
14,755
-34,013
| -70% | -$1.85M |
|
2453
CALL
Teradata
TDC
$2.91B
| $740K | ﹤0.01% |
+32,900
| New | +$890K |
|
2454
CALL
Flowserve
FLS
$9.05B
| $737K | ﹤0.01% |
15,100
-10,100
| -40% | -$574K |
|
2455
PUT
Textron
TXT
$15.4B
| $737K | ﹤0.01% |
10,200
-8,500
| -45% | -$636K |
|
2456
Western Midstream Partners
WES
$19.6B
| $737K | ﹤0.01% |
17,991
-7,679
| -30% | -$313K |
|
2457
PUT
Northern Oil and Gas
NOG
$2.23B
| $735K | ﹤0.01% |
24,300
-26,000
| -52% | -$891K |
|
2458
CALL
Progyny
PGNY
$2.45B
| $733K | ﹤0.01% |
+32,800
| New | +$706K |
|
2459
PUT
Banc of California
BANC
$2.97B
| $732K | ﹤0.01% |
51,600
+20,100
| +64% | +$304K |
|
2460
CALL
Fortuna Silver Mines
FSM
$2.48B
| $732K | ﹤0.01% |
120,000
-13,400
| -10% | -$66.6K |
|
2461
CALL
Hannon Armstrong Sustainable Infrastructure Capital
HASI
$4.97B
| $731K | ﹤0.01% |
25,000
+5,300
| +27% | +$150K |
|
2462
CALL
Energy Fuels
UUUU
$2.84B
| $726K | ﹤0.01% |
194,700
-72,700
| -27% | -$348K |
|
2463
CALL
Rollins
ROL
$19.1B
| $724K | ﹤0.01% |
+13,400
| New | +$673K |
|
|
UNIT
2464
CALL
Uniti Group
UNIT
$2.51B
| $724K | ﹤0.01% |
143,600
-18,100
| -11% | -$97.7K |
|
2465
CALL
Cerence
CRNC
$367M
| $723K | ﹤0.01% |
+91,500
| New | +$1.13M |
|
2466
PUT
Knight Transportation
KNX
$11.1B
| $722K | ﹤0.01% |
16,600
-17,300
| -51% | -$892K |
|
2467
CALL
RUM Group Inc
RUM
$1.65B
| $721K | ﹤0.01% |
102,000
-65,900
| -39% | -$687K |
|
|
PR
2468
PUT
Permian Resources
PR
$17.2B
| $716K | ﹤0.01% |
51,700
-36,700
| -42% | -$525K |
|
|
SNV
2469
CALL
DELISTED
Synovus
SNV
| $715K | ﹤0.01% |
15,300
-13,900
| -48% | -$717K |
|
2470
PUT
B&G Foods
BGS
$304M
| $713K | ﹤0.01% |
103,800
+13,700
| +15% | +$91.5K |
|
2471
ProShares UltraPro QQQ
TQQQ
$29.9B
| $712K | ﹤0.01% |
+24,862
| New | +$943K |
|
2472
CALL
Braze
BRZE
$2.92B
| $711K | ﹤0.01% |
19,700
-18,500
| -48% | -$744K |
|
|
CALY
2473
PUT
Callaway Golf Company
CALY
$3.28B
| $710K | ﹤0.01% |
107,800
+47,200
| +78% | +$346K |
|
2474
CALL
Evergy
EVRG
$19.7B
| $710K | ﹤0.01% |
+10,300
| New | +$674K |
|
2475
CALL
Gaming and Leisure Properties
GLPI
$13B
| $708K | ﹤0.01% |
+13,900
| New | +$683K |
|
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.