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 | |
|---|---|---|---|---|---|---|
2426
CALL
Gogo Inc
GOGO
$515M
| $766K | ﹤0.01% |
88,900
+54,200
| +156% | +$424K |
|
2427
CALL
Calix
CALX
$2.27B
| $766K | ﹤0.01% |
+21,600
| New | +$801K |
|
2428
Direxion Daily S&P 500 Bear 1X ETF
SPDN
$225M
| $765K | ﹤0.01% |
+66,001
| New | +$730K |
|
2429
Kosmos Energy
KOS
$1.45B
| $763K | ﹤0.01% |
334,441
-6,550
| -2% | -$19.3K |
|
|
NFXS
2430
Direxion Daily NFLX Bear 1X ETF
NFXS
$5.32M
| $761K | ﹤0.01% |
+41,673
| New | +$764K |
|
2431
RingCentral
RNG
$4.87B
| $759K | ﹤0.01% |
30,667
+15,224
| +99% | +$475K |
|
2432
CALL
Coeur Mining
CDE
$14.5B
| $759K | ﹤0.01% |
128,200
-58,000
| -31% | -$358K |
|
2433
Delta Air Lines
DAL
$57.1B
| $758K | ﹤0.01% |
+17,385
| New | +$1.03M |
|
|
JKS
2434
PUT
JinkoSolar
JKS
$769M
| $755K | ﹤0.01% |
40,500
+14,300
| +55% | +$318K |
|
|
JPGE
2435
PUT
DELISTED
JPMorgan Diversified Return Global Equity ETF
JPGE
| $754K | ﹤0.01% |
13,200
+3,200
| +32% | +$183K |
|
2436
ProShares Short Real Estate
REK
$11.5M
| $754K | ﹤0.01% |
+44,620
| New | +$764K |
|
2437
PUT
Avantor
AVTR
$9.69B
| $752K | ﹤0.01% |
46,400
-78,500
| -63% | -$1.49M |
|
2438
CALL
Kodak
KODK
$804M
| $751K | ﹤0.01% |
118,900
-158,400
| -57% | -$1.1M |
|
2439
PUT
BlackLine
BL
$1.92B
| $751K | ﹤0.01% |
+15,500
| New | +$849K |
|
2440
Bumble
BMBL
$386M
| $749K | ﹤0.01% |
+172,586
| New | +$1.12M |
|
2441
PUT
Perion Network
PERI
$378M
| $747K | ﹤0.01% |
91,800
+58,600
| +177% | +$512K |
|
2442
CALL
KBR
KBR
$4.56B
| $747K | ﹤0.01% |
15,000
-14,300
| -49% | -$763K |
|
2443
CALL
Macerich
MAC
$7.45B
| $747K | ﹤0.01% |
43,500
-10,500
| -19% | -$201K |
|
2444
PUT
ZIM Integrated Shipping Services
ZIM
$2.99B
| $746K | ﹤0.01% |
+51,100
| New | +$960K |
|
|
VNET
2445
CALL
VNET Group
VNET
$1.77B
| $745K | ﹤0.01% |
90,900
+27,100
| +42% | +$248K |
|
2446
Petco
WOOF
$794M
| $744K | ﹤0.01% |
244,004
+141,439
| +138% | +$443K |
|
|
LAC
2447
PUT
Lithium Americas
LAC
$937M
| $744K | ﹤0.01% |
274,400
-270,400
| -50% | -$815K |
|
2448
Polaris
PII
$3.81B
| $743K | ﹤0.01% |
18,152
-1,988
| -10% | -$94.7K |
|
2449
PUT
Stratasys
SSYS
$659M
| $743K | ﹤0.01% |
+75,900
| New | +$780K |
|
|
HOLX
2450
CALL
DELISTED
Hologic
HOLX
| $741K | ﹤0.01% |
+12,000
| New | +$795K |
|
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.