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 | |
|---|---|---|---|---|---|---|
301
PUT
ARK Innovation ETF
ARKK
$5.89B
| $55.5M | 0.03% |
1,167,300
-515,500
| -31% | -$29.5M |
|
302
PUT
GE Aerospace
GE
$367B
| $55.3M | 0.03% |
276,200
-235,500
| -46% | -$46.3M |
|
303
CALL
Rivian
RIVN
$22.9B
| $54.9M | 0.03% |
4,410,100
-534,800
| -11% | -$6.73M |
|
304
PUT
Procter & Gamble
PG
$343B
| $54.7M | 0.03% |
321,000
+9,100
| +3% | +$1.52M |
|
305
CALL
ConocoPhillips
COP
$147B
| $54.5M | 0.03% |
519,300
-9,500
| -2% | -$947K |
|
306
PUT
Sea Limited
SE
$61.2B
| $54.5M | 0.03% |
417,800
-146,300
| -26% | -$18.1M |
|
307
PUT
McKesson
MCK
$98.5B
| $54.3M | 0.03% |
80,700
+2,400
| +3% | +$1.48M |
|
308
PUT
United Rentals
URI
$71.1B
| $54.3M | 0.03% |
86,600
-56,400
| -39% | -$38.8M |
|
309
PUT
Texas Instruments
TXN
$255B
| $54.3M | 0.03% |
302,000
-41,900
| -12% | -$7.84M |
|
310
CALL
State Street SPDR Portfolio Short Term Treasury ETF
SPTS
$6.07B
| $54.2M | 0.03% |
411,200
-208,800
| -34% | -$6.07M |
|
311
PUT
Merck
MRK
$324B
| $54M | 0.03% |
601,100
+151,100
| +34% | +$14.1M |
|
312
Cigna
CI
$76.6B
| $53.5M | 0.03% |
162,476
-24,705
| -13% | -$7.44M |
|
313
CALL
Vertiv
VRT
$112B
| $53.2M | 0.03% |
736,800
+296,100
| +67% | +$31.5M |
|
314
PUT
Cisco
CSCO
$450B
| $53M | 0.03% |
858,600
-60,600
| -7% | -$3.73M |
|
315
CALL
Amgen
AMGN
$203B
| $52.9M | 0.03% |
169,700
-61,600
| -27% | -$18.2M |
|
316
PUT
Roku
ROKU
$21.1B
| $52.8M | 0.03% |
749,200
-201,500
| -21% | -$16.1M |
|
|
317
CALL
McKesson
MCK
$98.5B
| $52.7M | 0.03% |
78,300
-19,600
| -20% | -$12.1M |
|
318
PUT
Capital One
COF
$124B
| $52.7M | 0.03% |
293,700
+168,000
| +134% | +$31.7M |
|
319
CALL
Vanguard Information Technology ETF
VGT
$139B
| $52.1M | 0.03% |
768,800
+57,600
| +8% | +$4.34M |
|
320
PUT
Datadog
DDOG
$87.9B
| $51.7M | 0.03% |
520,900
-79,200
| -13% | -$9.99M |
|
321
CALL
Moderna
MRNA
$21.5B
| $51.4M | 0.03% |
1,813,700
-245,200
| -12% | -$8.7M |
|
322
CALL
W.W. Grainger
GWW
$65.3B
| $51M | 0.03% |
51,600
-12,500
| -20% | -$12.9M |
|
323
PUT
State Street Health Care Select Sector SPDR ETF
XLV
$42.1B
| $50.9M | 0.03% |
348,900
-54,000
| -13% | -$7.84M |
|
324
PUT
DoorDash
DASH
$75.3B
| $50.7M | 0.03% |
277,600
-100,400
| -27% | -$18.9M |
|
325
CALL
Delta Air Lines
DAL
$55.9B
| $50.7M | 0.03% |
1,163,200
-15,600
| -1% | -$925K |
|
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.