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 | |
|---|---|---|---|---|---|---|
3176
PUT
Vanguard FTSE Developed Markets ETF
VEA
$228B
| $1.1M | ﹤0.01% |
+17,200
| New | +$1.14M |
|
3177
PUT
Clean Energy Fuels
CLNE
$469M
| $1.1M | ﹤0.01% |
+444,400
| New | +$1.04M |
|
3178
OR Royalties Inc
OR
$5.48B
| $1.1M | ﹤0.01% |
+28,973
| New | +$1.19M |
|
3179
CALL
Ichor Holdings
ICHR
$3.34B
| $1.1M | ﹤0.01% |
23,600
+6,200
| +36% | +$241K |
|
3180
PUT
WEC Energy
WEC
$36.4B
| $1.1M | ﹤0.01% |
9,500
-1,800
| -16% | -$202K |
|
|
NEBX
3181
Tradr 2X Long NBIS Daily ETF
NEBX
$212M
| $1.1M | ﹤0.01% |
+102,450
| New | +$1.21M |
|
3182
VanEck Uranium + Nuclear Energy ETF
NLR
$3.93B
| $1.1M | ﹤0.01% |
+8,254
| New | +$1.18M |
|
3183
PUT
Fortuna Silver Mines
FSM
$2.57B
| $1.1M | ﹤0.01% |
110,700
+34,900
| +46% | +$378K |
|
|
MDLN
3184
PUT
Medline Inc
MDLN
$33.1B
| $1.1M | ﹤0.01% |
24,700
-176,100
| -88% | -$7.78M |
|
3185
PUT
Intellia Therapeutics
NTLA
$1.6B
| $1.1M | ﹤0.01% |
85,700
+31,500
| +58% | +$401K |
|
3186
PUT
Park Hotels & Resorts
PK
$3.03B
| $1.1M | ﹤0.01% |
+104,300
| New | +$1.15M |
|
3187
CALL
Progress Software
PRGS
$1.62B
| $1.09M | ﹤0.01% |
42,600
+6,000
| +16% | +$229K |
|
3188
CALL
AbCellera Biologics
ABCL
$1.82B
| $1.09M | ﹤0.01% |
313,000
+205,000
| +190% | +$738K |
|
3189
Ameriprise Financial
AMP
$47.5B
| $1.09M | ﹤0.01% |
+2,454
| New | +$1.18M |
|
|
NAK
3190
PUT
Northern Dynasty Minerals
NAK
$969M
| $1.09M | ﹤0.01% |
778,600
+74,100
| +11% | +$129K |
|
3191
PUT
BlackBerry
BB
$5.27B
| $1.09M | ﹤0.01% |
336,400
+32,000
| +11% | +$113K |
|
3192
PUT
Acadia Healthcare
ACHC
$3.27B
| $1.09M | ﹤0.01% |
46,500
+31,200
| +204% | +$565K |
|
3193
CALL
AAR Corp
AIR
$5.62B
| $1.08M | ﹤0.01% |
+9,900
| New | +$1.07M |
|
3194
PUT
Invitation Homes
INVH
$17.7B
| $1.08M | ﹤0.01% |
43,600
+24,800
| +132% | +$649K |
|
3195
CALL
News Corp Class B
NWS
$16.9B
| $1.08M | ﹤0.01% |
+38,000
| New | +$1.07M |
|
3196
PUT
Trimble
TRMB
$12.1B
| $1.08M | ﹤0.01% |
+16,600
| New | +$1.15M |
|
3197
PUT
Packaging Corp of America
PKG
$20.3B
| $1.08M | ﹤0.01% |
+5,100
| New | +$1.14M |
|
|
AWTM
3198
CALL
DELISTED
AWTM Ultra-Short Duration Enhanced Income ETF
AWTM
| $1.08M | ﹤0.01% |
45,300
-10,700
| -19% | -$255K |
|
|
ALMU
3199
CALL
Aeluma Inc
ALMU
$301M
| $1.08M | ﹤0.01% |
82,600
+65,000
| +369% | +$1.08M |
|
|
TGR
3200
CALL
DELISTED
ISHARES TARGET DATE RETIREMENT INCOME ETF
TGR
| $1.08M | ﹤0.01% |
31,000
+18,300
| +144% | +$638K |
|
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.