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 | |
|---|---|---|---|---|---|---|
151
PUT
Cameco
CCJ
$37.3B
| $246M | 0.09% |
2,264,800
+1,135,000
| +100% | +$130M |
|
152
PUT
Lockheed Martin
LMT
$117B
| $244M | 0.09% |
403,600
+800
| +0.2% | +$493K |
|
153
CALL
Mastercard
MA
$480B
| $244M | 0.09% |
488,000
+200,900
| +70% | +$106M |
|
154
CALL
Spotify
SPOT
$98.3B
| $244M | 0.09% |
502,300
+11,900
| +2% | +$5.97M |
|
155
PUT
Visa
V
$682B
| $243M | 0.09% |
804,600
+28,500
| +4% | +$9.16M |
|
156
CALL
Reddit
RDDT
$34.9B
| $243M | 0.09% |
1,805,000
-11,700
| -0.6% | -$1.99M |
|
157
CALL
Walmart Inc
WMT
$909B
| $239M | 0.09% |
1,922,900
-174,100
| -8% | -$21.4M |
|
|
NBIS
158
CALL
Nebius Group N.V.
NBIS
$45.1B
| $239M | 0.09% |
2,303,100
+185,400
| +9% | +$18.5M |
|
159
CALL
Walt Disney
DIS
$170B
| $232M | 0.08% |
2,405,400
+758,000
| +46% | +$80.1M |
|
160
CALL
United Airlines
UAL
$37.5B
| $231M | 0.08% |
2,509,700
+1,470,900
| +142% | +$154M |
|
161
PUT
Johnson & Johnson
JNJ
$609B
| $229M | 0.08% |
935,400
-181,700
| -16% | -$42.3M |
|
162
CALL
MongoDB
MDB
$25.1B
| $228M | 0.08% |
929,600
+211,600
| +29% | +$70.8M |
|
|
163
CALL
Lockheed Martin
LMT
$117B
| $225M | 0.08% |
371,500
-24,600
| -6% | -$15.2M |
|
|
164
PUT
Mastercard
MA
$480B
| $221M | 0.08% |
441,500
+39,800
| +10% | +$21M |
|
165
PUT
Direxion Daily Technology Bull 3x ETF
TECL
$5.15B
| $218M | 0.08% |
4,001,900
-1,067,100
| -21% | -$114M |
|
166
PUT
Chevron
CVX
$373B
| $216M | 0.08% |
1,044,300
+126,800
| +14% | +$23.1M |
|
|
167
PUT
Walmart Inc
WMT
$909B
| $215M | 0.08% |
1,731,900
+1,900
| +0.1% | +$233K |
|
168
PUT
iShares MSCI Australia ETF
EWA
$1.43B
| $214M | 0.08% |
3,083,000
+2,716,800
| +742% | +$76.3M |
|
169
CALL
McDonald's
MCD
$190B
| $210M | 0.08% |
675,100
+41,800
| +7% | +$13.3M |
|
170
TSMC
TSM
$2.07T
| $210M | 0.08% |
620,444
+331,500
| +115% | +$114M |
|
171
CALL
Bank of America
BAC
$430B
| $209M | 0.08% |
4,293,400
+1,242,500
| +41% | +$64.1M |
|
172
CALL
Occidental Petroleum
OXY
$54.6B
| $209M | 0.08% |
3,214,800
+1,309,800
| +69% | +$65.9M |
|
173
PUT
Eaton
ETN
$155B
| $208M | 0.07% |
580,500
+254,200
| +78% | +$90.5M |
|
|
174
CALL
Johnson & Johnson
JNJ
$609B
| $201M | 0.07% |
824,200
+42,500
| +5% | +$9.9M |
|
|
175
PUT
Reddit
RDDT
$34.9B
| $201M | 0.07% |
1,490,100
+49,300
| +3% | +$8.39M |
|
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.