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 |
Sprott Physical Silver Trust
PSLV
|
+$344M |
| 2 |
State Street SPDR S&P 500 ETF Trust
SPY
|
+$297M |
| 3 |
Tesla
TSLA
|
+$235M |
| 4 |
Sprott Physical Gold and Silver Trust
CEF
|
+$177M |
| 5 |
Meta Platforms (Facebook)
META
|
+$120M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Invesco QQQ Trust
QQQ
|
+$426M |
| 2 |
iShares Russell 2000 ETF
IWM
|
+$390M |
| 3 |
NVIDIA
NVDA
|
+$72.8M |
| 4 |
Broadcom
AVGO
|
+$66.7M |
| 5 |
AST SpaceMobile
ASTS
|
+$62.2M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 0.58% |
| 2 | Consumer Discretionary | 0.39% |
| 3 | Financials | 0.16% |
| 4 | Communication Services | 0.13% |
| 5 | Industrials | 0.12% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
3376
PUT
Huntsman Corp
HUN
$2.32B
| $909K | ﹤0.01% |
68,300
-104,400
| -60% | -$1.27M |
|
|
SW
3377
PUT
Smurfit Westrock
SW
$23.3B
| $909K | ﹤0.01% |
22,800
+5,900
| +35% | +$254K |
|
3378
McEwen Inc
MUX
$1.07B
| $907K | ﹤0.01% |
+44,438
| New | +$1.06M |
|
3379
CALL
Worthington Enterprises
WOR
$2.71B
| $907K | ﹤0.01% |
+17,400
| New | +$931K |
|
3380
Honda
HMC
$37B
| $907K | ﹤0.01% |
+37,295
| New | +$1.08M |
|
3381
PUT
AMC Entertainment Holdings
AMC
$2.01B
| $906K | ﹤0.01% |
924,400
-191,600
| -17% | -$247K |
|
3382
Aptiv
APTV
$12.3B
| $905K | ﹤0.01% |
+13,026
| New | +$1M |
|
|
LINE
3383
CALL
Lineage Inc
LINE
$9.83B
| $901K | ﹤0.01% |
27,500
+12,400
| +82% | +$459K |
|
3384
PUT
NovaGold Resources
NG
$2.72B
| $901K | ﹤0.01% |
+100,300
| New | +$1.03M |
|
|
PONY
3385
Pony AI Inc
PONY
$2.97B
| $900K | ﹤0.01% |
+95,321
| New | +$1.31M |
|
3386
PUT
Americold
COLD
$4.37B
| $896K | ﹤0.01% |
78,200
+21,300
| +37% | +$267K |
|
|
UCTT
3387
PUT
Ultra Clean Holdings
UCTT
$4.55B
| $895K | ﹤0.01% |
+14,400
| New | +$738K |
|
3388
CALL
Ultragenyx Pharmaceutical
RARE
$2.72B
| $895K | ﹤0.01% |
42,700
+29,600
| +226% | +$667K |
|
3389
PUT
Masco
MAS
$15.7B
| $893K | ﹤0.01% |
+14,800
| New | +$1M |
|
3390
ProShares Ultra Energy
DIG
$69.9M
| $893K | ﹤0.01% |
+13,381
| New | +$691K |
|
3391
Roivant Sciences
ROIV
$25.1B
| $892K | ﹤0.01% |
+32,219
| New | +$828K |
|
3392
PUT
Sensata Technologies
ST
$6.68B
| $891K | ﹤0.01% |
25,300
-6,400
| -20% | -$226K |
|
3393
PUT
Eagle Materials
EXP
$6.28B
| $890K | ﹤0.01% |
+4,700
| New | +$1M |
|
3394
Boot Barn
BOOT
$4.53B
| $890K | ﹤0.01% |
+6,082
| New | +$1.1M |
|
3395
CALL
Tronox
TROX
$1.06B
| $890K | ﹤0.01% |
91,100
+10,600
| +13% | +$73.5K |
|
3396
Pentair
PNR
$10.2B
| $890K | ﹤0.01% |
+10,213
| New | +$1M |
|
3397
CALL
ALPS REIT Dividend Dogs ETF
RDOG
$11.5M
| $890K | ﹤0.01% |
16,900
-22,100
| -57% | -$826K |
|
3398
CALL
CorMedix
CRMD
$623M
| $889K | ﹤0.01% |
130,900
+77,400
| +145% | +$572K |
|
3399
PIMCO 25+ Year Zero Coupon US Treasury Index Exchange-Traded Fund
ZROZ
$1.34B
| $889K | ﹤0.01% |
+13,884
| New | +$905K |
|
|
VTEL
3400
PUT
Vanguard Long-Term Tax-Exempt Bond ETF
VTEL
$282M
| $888K | ﹤0.01% |
+17,800
| New | +$1.85M |
|
Similar funds
IMC Chicago's Q1 2026 Portfolio in Review
As of Q1 2026, IMC Chicago held 6,062 positions worth $278B, up 1.1% from $275B the previous quarter. Its ten largest holdings account for 38% of the portfolio.
IMC Chicago deployed $22.2B of net new capital in Q1 2026, opening 2,049 new positions and adding to 1,848 existing holdings. Its largest new stake was State Street SPDR S&P 500 ETF Trust: 436,397 shares worth $284M.
By sector, the portfolio is most concentrated in Technology at 0.58% of assets, up from 0.56% a quarter earlier, followed by Consumer Discretionary and Financials.
On the sell side, the largest reduction was Broadcom, an estimated $66.7M trimmed.
- IMC Chicago's largest Q1 2026 buy was State Street SPDR S&P 500 ETF Trust: 436,397 shares worth $284M.
- IMC Chicago added most to Sprott Physical Silver Trust in Q1 2026, an estimated $344M increase.
- IMC Chicago's biggest Q1 2026 reduction was Broadcom, cutting an estimated $66.7M.
- IMC Chicago fully exited Invesco QQQ Trust in Q1 2026, selling an estimated $426M.
- IMC Chicago's ten largest holdings make up 38% of its $278B portfolio in Q1 2026.
- IMC Chicago opened 2,049 new positions and closed 389 in Q1 2026.
- IMC Chicago's portfolio value rose 1.1% quarter-over-quarter to $278B.
Based on IMC Chicago's 13F filing for Q1 2026, filed 5 May 2026.