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 | |
|---|---|---|---|---|---|---|
351
CALL
RTX Corp
RTX
$294B
| $44.3M | 0.03% |
334,300
-218,700
| -40% | -$27.7M |
|
352
CALL
Capital One
COF
$127B
| $44.2M | 0.03% |
246,500
+112,200
| +84% | +$21.2M |
|
353
PUT
S&P Global
SPGI
$130B
| $44.1M | 0.02% |
86,700
+40,700
| +88% | +$20.8M |
|
354
PUT
Roblox
RBLX
$34.1B
| $43.9M | 0.02% |
752,900
-170,600
| -18% | -$10.7M |
|
355
CALL
Wynn Resorts
WYNN
$10.4B
| $43.8M | 0.02% |
525,100
-85,500
| -14% | -$7.29M |
|
356
PUT
Blackstone
BX
$106B
| $43.3M | 0.02% |
309,700
-50,800
| -14% | -$8.25M |
|
357
PUT
Carnival Corporation Ltd
CCL
$36.8B
| $43.2M | 0.02% |
2,214,000
-491,700
| -18% | -$11.7M |
|
358
CALL
BP
BP
$110B
| $43.2M | 0.02% |
1,278,900
-57,000
| -4% | -$1.86M |
|
359
CALL
TJX Companies
TJX
$173B
| $43.2M | 0.02% |
354,300
+73,500
| +26% | +$8.92M |
|
360
CALL
Marathon Digital Holdings
MARA
$4.4B
| $43.1M | 0.02% |
3,745,500
-864,100
| -19% | -$13.7M |
|
361
CALL
Dollar Tree
DLTR
$24B
| $42.9M | 0.02% |
571,100
-117,100
| -17% | -$8.37M |
|
362
CALL
State Street Consumer Discretionary Select Sector SPDR ETF
XLY
$21.6B
| $42.8M | 0.02% |
434,000
-86,800
| -17% | -$9.41M |
|
363
CALL
DraftKings
DKNG
$12.1B
| $42.8M | 0.02% |
1,289,200
+28,300
| +2% | +$1.16M |
|
364
CALL
Interactive Brokers
IBKR
$40.5B
| $42.4M | 0.02% |
1,024,000
+319,200
| +45% | +$15.8M |
|
365
PUT
Enphase Energy
ENPH
$4.86B
| $42M | 0.02% |
676,300
-151,800
| -18% | -$9.61M |
|
366
PUT
Invesco Aerospace & Defense ETF
PPA
$8.32B
| $41.9M | 0.02% |
241,800
+75,500
| +45% | +$8.88M |
|
367
CALL
Zoom
ZM
$26.5B
| $41.6M | 0.02% |
564,500
-609,900
| -52% | -$48.6M |
|
368
CALL
Boston Scientific
BSX
$68.7B
| $41.6M | 0.02% |
412,100
+157,500
| +62% | +$15.9M |
|
369
PUT
Twilio
TWLO
$29.3B
| $41.4M | 0.02% |
423,000
-148,100
| -26% | -$17.6M |
|
370
PUT
Atlassian
TEAM
$24B
| $41.4M | 0.02% |
195,000
-53,500
| -22% | -$14.1M |
|
371
CALL
Cigna
CI
$77.1B
| $40.6M | 0.02% |
123,300
-18,900
| -13% | -$5.69M |
|
372
CALL
Verizon
VZ
$197B
| $40.5M | 0.02% |
893,700
+406,200
| +83% | +$16.9M |
|
373
CALL
Bristol-Myers Squibb
BMY
$129B
| $40.4M | 0.02% |
662,800
-41,200
| -6% | -$2.4M |
|
374
PUT
Charter Communications
CHTR
$15.2B
| $40.4M | 0.02% |
109,500
-28,200
| -20% | -$10.1M |
|
375
PUT
Philip Morris
PM
$303B
| $40.3M | 0.02% |
253,900
+65,400
| +35% | +$9.26M |
|
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.