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 | |
|---|---|---|---|---|---|---|
2476
CALL
Digital Turbine
APPS
$993M
| $705K | ﹤0.01% |
259,800
-27,100
| -9% | -$88K |
|
2477
PUT
Calix
CALX
$2.27B
| $705K | ﹤0.01% |
+19,900
| New | +$738K |
|
2478
PUT
ATI
ATI
$24B
| $702K | ﹤0.01% |
+13,500
| New | +$766K |
|
2479
CALL
Beazer Homes USA
BZH
$887M
| $701K | ﹤0.01% |
34,400
+19,800
| +136% | +$475K |
|
2480
PUT
W.P. Carey
WPC
$16.9B
| $701K | ﹤0.01% |
11,100
-4,500
| -29% | -$266K |
|
2481
Newell Brands
NWL
$2.2B
| $699K | ﹤0.01% |
112,721
-11,267
| -9% | -$90.4K |
|
2482
CALL
Mattel
MAT
$4.47B
| $698K | ﹤0.01% |
35,900
-6,400
| -15% | -$127K |
|
2483
GraniteShares 2x Long AMZN Daily ETF
AMZZ
$37.2M
| $697K | ﹤0.01% |
+27,964
| New | +$934K |
|
2484
PUT
Levi Strauss
LEVI
$9.48B
| $695K | ﹤0.01% |
44,600
-28,600
| -39% | -$498K |
|
2485
CALL
Silicon Motion
SIMO
$7.02B
| $693K | ﹤0.01% |
13,700
-1,100
| -7% | -$59.5K |
|
2486
PUT
Sensata Technologies
ST
$6.54B
| $692K | ﹤0.01% |
28,500
-28,500
| -50% | -$790K |
|
2487
Clover Health Investments
CLOV
$2.23B
| $691K | ﹤0.01% |
+192,551
| New | +$773K |
|
2488
CALL
Birkenstock
BIRK
$7.72B
| $688K | ﹤0.01% |
15,000
+300
| +2% | +$15.8K |
|
|
IRBT
2489
CALL
DELISTED
iRobot
IRBT
| $687K | ﹤0.01% |
254,600
+113,000
| +80% | +$816K |
|
|
XIFR
2490
CALL
XPLR Infrastructure LP
XIFR
$1.06B
| $687K | ﹤0.01% |
72,300
+14,400
| +25% | +$163K |
|
2491
PUT
United Natural Foods
UNFI
$3.07B
| $682K | ﹤0.01% |
24,900
+6,300
| +34% | +$182K |
|
2492
iShares MSCI Taiwan ETF
EWT
$9.13B
| $682K | ﹤0.01% |
+14,354
| New | +$738K |
|
2493
Invesco Dorsey Wright Utilities Momentum ETF
PUI
$54.9M
| $679K | ﹤0.01% |
+16,584
| New | +$667K |
|
2494
PUT
UGI
UGI
$7.88B
| $678K | ﹤0.01% |
20,500
-18,700
| -48% | -$592K |
|
2495
Simplify Volatility Premium ETF
SVOL
$510M
| $677K | ﹤0.01% |
+37,254
| New | +$758K |
|
2496
iShares Gold Trust
IAU
$62.3B
| $677K | ﹤0.01% |
+11,481
| New | +$621K |
|
|
EXK
2497
CALL
Endeavour Silver
EXK
$2.19B
| $676K | ﹤0.01% |
158,300
+41,400
| +35% | +$166K |
|
2498
CALL
Arbor Realty Trust
ABR
$970M
| $676K | ﹤0.01% |
57,500
+28,300
| +97% | +$366K |
|
|
JWN
2499
CALL
DELISTED
Nordstrom
JWN
| $675K | ﹤0.01% |
27,600
-215,300
| -89% | -$5.22M |
|
2500
CALL
HDFC Bank
HDB
$123B
| $671K | ﹤0.01% |
20,200
-8,000
| -28% | -$244K |
|
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.