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 | |
|---|---|---|---|---|---|---|
1351
Cameco
CCJ
$37B
| $9.08M | ﹤0.01% |
83,577
+63,006
| +306% | +$7.21M |
|
1352
PUT
Cenovus Energy
CVE
$52.7B
| $9.08M | ﹤0.01% |
342,100
+75,400
| +28% | +$1.61M |
|
|
CHYM
1353
CALL
Chime Financial
CHYM
$8.36B
| $9.07M | ﹤0.01% |
484,100
+298,500
| +161% | +$6.77M |
|
|
CTRA
1354
CALL
DELISTED
Coterra Energy
CTRA
| $9.05M | ﹤0.01% |
257,600
-6,600
| -2% | -$198K |
|
1355
Marathon Digital Holdings
MARA
$4.45B
| $9.05M | ﹤0.01% |
1,108,766
+344,155
| +45% | +$3.11M |
|
1356
PUT
Eos Energy Enterprises
EOSE
$1.44B
| $9.04M | ﹤0.01% |
1,821,600
-539,700
| -23% | -$5.8M |
|
1357
PUT
GE HealthCare
GEHC
$28.6B
| $9M | ﹤0.01% |
126,500
-149,800
| -54% | -$11.8M |
|
1358
CALL
Madrigal Pharmaceuticals
MDGL
$12.4B
| $9M | ﹤0.01% |
17,200
+800
| +5% | +$382K |
|
1359
Nutrien
NTR
$32B
| $8.95M | ﹤0.01% |
118,609
+86,384
| +268% | +$6.16M |
|
1360
PUT
Ally Financial
ALLY
$14B
| $8.92M | ﹤0.01% |
227,500
+28,800
| +14% | +$1.19M |
|
1361
CALL
TransDigm Group
TDG
$67.4B
| $8.92M | ﹤0.01% |
+7,700
| New | +$10.1M |
|
1362
PUT
APA Corp
APA
$12.3B
| $8.91M | ﹤0.01% |
210,000
-190,700
| -48% | -$5.77M |
|
1363
CALL
International Paper
IP
$19.2B
| $8.91M | ﹤0.01% |
249,600
+88,400
| +55% | +$3.67M |
|
1364
PUT
Opendoor
OPEN
$4.29B
| $8.89M | ﹤0.01% |
1,899,600
-1,739,200
| -48% | -$9.37M |
|
1365
PUT
Williams-Sonoma
WSM
$26.3B
| $8.88M | ﹤0.01% |
48,700
-45,300
| -48% | -$9.04M |
|
1366
PUT
Cleveland-Cliffs
CLF
$5.12B
| $8.88M | ﹤0.01% |
1,050,800
+40,600
| +4% | +$465K |
|
1367
Duolingo
DUOL
$6.24B
| $8.88M | ﹤0.01% |
+90,061
| New | +$11.1M |
|
1368
CALL
Schwab US Broad Market ETF
SCHB
$42.9B
| $8.88M | ﹤0.01% |
292,000
+17,600
| +6% | +$462K |
|
1369
CALL
Oscar Health
OSCR
$8.92B
| $8.88M | ﹤0.01% |
773,800
-415,000
| -35% | -$5.85M |
|
1370
CALL
Eldorado Gold
EGO
$7.22B
| $8.87M | ﹤0.01% |
258,400
+35,200
| +16% | +$1.43M |
|
1371
CALL
NextNav
NN
$1.75B
| $8.87M | ﹤0.01% |
553,400
+251,600
| +83% | +$4.07M |
|
1372
CALL
nLIGHT
LASR
$3.85B
| $8.86M | ﹤0.01% |
+155,400
| New | +$8.42M |
|
1373
CALL
Lattice Semiconductor
LSCC
$17.2B
| $8.83M | ﹤0.01% |
95,200
+58,300
| +158% | +$5.23M |
|
1374
PUT
JB Hunt Transport Services
JBHT
$27.3B
| $8.82M | ﹤0.01% |
41,600
-14,500
| -26% | -$3.09M |
|
1375
CALL
Moody's
MCO
$88.3B
| $8.81M | ﹤0.01% |
20,200
+6,900
| +52% | +$3.26M |
|
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.