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 | |
|---|---|---|---|---|---|---|
226
PUT
PayPal
PYPL
$49.9B
| $146M | 0.05% |
3,227,600
+347,900
| +12% | +$16.8M |
|
227
PUT
Quanta Services
PWR
$94.3B
| $146M | 0.05% |
265,200
+106,600
| +67% | +$54.9M |
|
228
CALL
FedEx
FDX
$74.7B
| $145M | 0.05% |
408,500
+53,900
| +15% | +$18.7M |
|
229
PUT
GE Aerospace
GE
$364B
| $145M | 0.05% |
512,400
+77,200
| +18% | +$24.3M |
|
230
CALL
RTX Corp
RTX
$261B
| $145M | 0.05% |
751,500
+130,500
| +21% | +$25.9M |
|
231
PUT
Coherent
COHR
$54.3B
| $145M | 0.05% |
607,800
+216,300
| +55% | +$49.5M |
|
232
CALL
iShares Morningstar Value ETF
ILCV
$1.3B
| $144M | 0.05% |
1,800,600
+742,600
| +70% | +$71.1M |
|
233
CALL
Moderna
MRNA
$24.5B
| $143M | 0.05% |
2,823,100
+2,300
| +0.1% | +$107K |
|
234
CALL
ConocoPhillips
COP
$140B
| $142M | 0.05% |
1,072,800
+62,200
| +6% | +$6.89M |
|
235
CALL
United Parcel Service
UPS
$100B
| $140M | 0.05% |
1,418,700
-115,600
| -8% | -$12.4M |
|
236
PUT
Super Micro Computer
SMCI
$15.6B
| $139M | 0.05% |
6,094,800
-1,395,000
| -19% | -$41.9M |
|
237
PUT
Tower Semiconductor
TSEM
$26.5B
| $137M | 0.05% |
782,100
+650,300
| +493% | +$87.4M |
|
238
CALL
Synopsys
SNPS
$73.6B
| $137M | 0.05% |
345,500
-77,500
| -18% | -$35M |
|
239
PUT
Morgan Stanley
MS
$339B
| $136M | 0.05% |
823,400
+6,600
| +0.8% | +$1.14M |
|
240
CALL
ProShares UltraPro Short QQQ
SQQQ
$2.36B
| $135M | 0.05% |
1,682,900
-593,700
| -26% | -$42.1M |
|
241
CALL
Deere & Co
DE
$161B
| $135M | 0.05% |
238,900
-4,400
| -2% | -$2.48M |
|
242
CALL
Seagate
STX
$178B
| $134M | 0.05% |
341,900
-13,000
| -4% | -$4.96M |
|
243
PUT
Newmont
NEM
$95.8B
| $134M | 0.05% |
1,237,100
-141,300
| -10% | -$16.3M |
|
244
CALL
Albemarle
ALB
$14.2B
| $134M | 0.05% |
745,900
-285,300
| -28% | -$48.7M |
|
245
PUT
Qualcomm
QCOM
$181B
| $134M | 0.05% |
1,038,900
-103,000
| -9% | -$15M |
|
246
PUT
Target
TGT
$63.4B
| $132M | 0.05% |
1,093,200
-156,600
| -13% | -$17.7M |
|
247
PUT
Occidental Petroleum
OXY
$54.6B
| $130M | 0.05% |
1,993,000
+561,700
| +39% | +$28.2M |
|
248
CALL
Accenture
ACN
$87.9B
| $130M | 0.05% |
653,200
+171,100
| +35% | +$39.9M |
|
|
249
Meta Platforms (Facebook)
META
$1.64T
| $129M | 0.05% |
226,108
+186,631
| +473% | +$120M |
|
250
PUT
Iris Energy
IREN
$12B
| $129M | 0.05% |
3,766,000
-1,136,500
| -23% | -$51.3M |
|
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.