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 | |
|---|---|---|---|---|---|---|
451
CALL
Etsy
ETSY
$7.85B
| $30.1M | 0.02% |
637,400
-106,400
| -14% | -$5.45M |
|
452
CALL
Autodesk
ADSK
$46.8B
| $29.8M | 0.02% |
113,800
-15,700
| -12% | -$4.47M |
|
453
CALL
SLB Ltd
SLB
$77.6B
| $29.8M | 0.02% |
712,100
-74,600
| -9% | -$3.06M |
|
454
PUT
Automatic Data Processing
ADP
$102B
| $29.7M | 0.02% |
97,100
+53,000
| +120% | +$16M |
|
455
CALL
FTAI Aviation
FTAI
$21.5B
| $29.6M | 0.02% |
266,700
+83,500
| +46% | +$9.87M |
|
456
PUT
Freeport-McMoran
FCX
$88.9B
| $29.5M | 0.02% |
780,200
-13,600
| -2% | -$520K |
|
457
PUT
Burlington
BURL
$22.3B
| $29.5M | 0.02% |
123,900
+69,500
| +128% | +$18M |
|
|
458
CALL
Freeport-McMoran
FCX
$88.9B
| $29.4M | 0.02% |
777,400
+14,700
| +2% | +$562K |
|
459
PUT
Wynn Resorts
WYNN
$10.3B
| $29M | 0.02% |
347,800
-58,100
| -14% | -$4.95M |
|
460
CALL
EQT Corp
EQT
$32.8B
| $29M | 0.02% |
543,400
-27,300
| -5% | -$1.39M |
|
461
CALL
HCA Healthcare
HCA
$86B
| $29M | 0.02% |
83,900
+22,700
| +37% | +$7.3M |
|
462
PUT
Marathon Digital Holdings
MARA
$4.42B
| $28.8M | 0.02% |
2,504,000
-929,700
| -27% | -$14.8M |
|
463
CALL
Deckers Outdoor
DECK
$13.6B
| $28.8M | 0.02% |
257,500
+140,100
| +119% | +$22.6M |
|
|
TEM
464
CALL
Tempus AI
TEM
$7.68B
| $28.7M | 0.02% |
595,900
+290,100
| +95% | +$15.7M |
|
465
PUT
Abbott
ABT
$183B
| $28.7M | 0.02% |
216,500
+47,800
| +28% | +$6.08M |
|
466
CALL
Domino's
DPZ
$11.5B
| $28.6M | 0.02% |
62,200
-39,700
| -39% | -$18M |
|
467
PUT
Boston Scientific
BSX
$68.4B
| $28.3M | 0.02% |
280,300
-35,100
| -11% | -$3.53M |
|
468
CALL
Linde
LIN
$236B
| $28.3M | 0.02% |
60,700
-17,900
| -23% | -$8.06M |
|
469
PUT
Dick's Sporting Goods
DKS
$18.3B
| $27.8M | 0.02% |
138,100
-83,600
| -38% | -$18.7M |
|
470
CALL
Progressive
PGR
$125B
| $27.8M | 0.02% |
98,300
-74,400
| -43% | -$19.5M |
|
471
PUT
Estee Lauder
EL
$29.5B
| $27.8M | 0.02% |
420,500
-96,500
| -19% | -$6.98M |
|
|
472
PUT
FTAI Aviation
FTAI
$21.5B
| $27.5M | 0.02% |
247,700
+54,300
| +28% | +$6.42M |
|
473
PUT
Cameco
CCJ
$38.7B
| $27.3M | 0.02% |
662,700
+226,000
| +52% | +$10.6M |
|
474
PUT
Constellation Brands
STZ
$22.2B
| $27.2M | 0.02% |
148,100
+100,100
| +209% | +$18.2M |
|
475
PUT
Bristol-Myers Squibb
BMY
$129B
| $27.1M | 0.02% |
445,000
-127,200
| -22% | -$7.41M |
|
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.