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 | |
|---|---|---|---|---|---|---|
3351
PUT
Anterix
ATEX
$2.03B
| $936K | ﹤0.01% |
24,500
+12,800
| +109% | +$405K |
|
3352
CALL
California Resources
CRC
$4.78B
| $934K | ﹤0.01% |
13,500
+1,300
| +11% | +$73.6K |
|
3353
Uranium Energy
UEC
$4.82B
| $932K | ﹤0.01% |
69,058
+17,981
| +35% | +$277K |
|
3354
CALL
Cooper Companies
COO
$13.7B
| $930K | ﹤0.01% |
13,000
-3,000
| -19% | -$237K |
|
3355
CALL
STAAR Surgical
STAA
$1.23B
| $928K | ﹤0.01% |
+49,600
| New | +$947K |
|
3356
State Street SPDR S&P 400 Mid Cap Growth ETF
MDYG
$2.82B
| $926K | ﹤0.01% |
+9,652
| New | +$946K |
|
3357
CALL
Evergy
EVRG
$20B
| $926K | ﹤0.01% |
11,300
+1,200
| +12% | +$94.8K |
|
3358
PUT
Mohawk Industries
MHK
$6.73B
| $926K | ﹤0.01% |
9,400
-9,000
| -49% | -$1.05M |
|
|
WYFI
3359
CALL
WhiteFiber Inc
WYFI
$1.08B
| $925K | ﹤0.01% |
77,700
-54,300
| -41% | -$938K |
|
3360
CALL
Core & Main
CNM
$8.19B
| $924K | ﹤0.01% |
18,700
-9,000
| -32% | -$485K |
|
3361
CALL
Maximus
MMS
$3.02B
| $923K | ﹤0.01% |
14,400
+4,000
| +38% | +$325K |
|
3362
PUT
Lincoln Electric
LECO
$13.7B
| $922K | ﹤0.01% |
+3,700
| New | +$990K |
|
3363
PUT
Main Street Capital
MAIN
$4.99B
| $922K | ﹤0.01% |
17,400
| – | – |
|
3364
PUT
FuelCell Energy
FCEL
$1.8B
| $918K | ﹤0.01% |
140,600
+23,400
| +20% | +$181K |
|
3365
CALL
Spire Global
SPIR
$442M
| $917K | ﹤0.01% |
72,900
+33,600
| +85% | +$359K |
|
3366
CALL
Credicorp
BAP
$31.3B
| $916K | ﹤0.01% |
+2,700
| New | +$905K |
|
3367
CALL
Lightbridge
LTBR
$269M
| $916K | ﹤0.01% |
85,900
+26,900
| +46% | +$374K |
|
3368
Direxion Daily AAPL Bull 2X ETF
AAPU
$185M
| $915K | ﹤0.01% |
32,611
-6,199
| -16% | -$187K |
|
3369
PUT
Hawaiian Electric Industries
HE
$2.35B
| $914K | ﹤0.01% |
61,600
+23,400
| +61% | +$354K |
|
|
YSS
3370
CALL
York Space Systems
YSS
$2.33B
| $913K | ﹤0.01% |
+41,200
| New | +$999K |
|
|
PRMB
3371
PUT
Primo Brands
PRMB
$8.61B
| $913K | ﹤0.01% |
48,500
+24,700
| +104% | +$477K |
|
3372
PUT
Critical Metals Corp
CRML
$958M
| $912K | ﹤0.01% |
114,900
-104,000
| -48% | -$1.2M |
|
3373
CALL
Smith & Wesson
SWBI
$654M
| $911K | ﹤0.01% |
63,600
-24,200
| -28% | -$294K |
|
3374
CALL
Trinity Industries
TRN
$2.87B
| $911K | ﹤0.01% |
+28,300
| New | +$868K |
|
3375
Blackstone Mortgage Trust
BXMT
$2.82B
| $910K | ﹤0.01% |
47,536
+14,748
| +45% | +$284K |
|
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.