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 | |
|---|---|---|---|---|---|---|
1251
CALL
Sphere Entertainment
SPHR
$4.87B
| $10.2M | ﹤0.01% |
87,300
-74,800
| -46% | -$7.83M |
|
1252
PUT
Intuitive Machines
LUNR
$2.3B
| $10.2M | ﹤0.01% |
551,000
+115,700
| +27% | +$2.13M |
|
1253
CALL
SGHC Ltd
SGHC
$7.92B
| $10.2M | ﹤0.01% |
946,800
+817,200
| +631% | +$8.34M |
|
1254
Corning
GLW
$136B
| $10.2M | ﹤0.01% |
74,888
-78,851
| -51% | -$9.51M |
|
1255
PUT
Trane Technologies
TT
$104B
| $10.2M | ﹤0.01% |
24,400
-7,700
| -24% | -$3.27M |
|
1256
CALL
Omnicom Group
OMC
$23.1B
| $10.2M | ﹤0.01% |
135,000
+116,900
| +646% | +$9.07M |
|
1257
PUT
Ford
F
$56.8B
| $10.2M | ﹤0.01% |
880,900
-311,400
| -26% | -$4.1M |
|
1258
PUT
Hycroft Mining Holding Corp
HYMC
$1.81B
| $10.2M | ﹤0.01% |
288,700
+56,100
| +24% | +$2.17M |
|
1259
CALL
Canadian Pacific Kansas City
CP
$81B
| $10.1M | ﹤0.01% |
128,800
+62,500
| +94% | +$4.94M |
|
1260
PUT
NetEase
NTES
$84.2B
| $10.1M | ﹤0.01% |
90,500
+43,200
| +91% | +$5.36M |
|
1261
CALL
Lamb Weston
LW
$6.48B
| $10.1M | ﹤0.01% |
239,600
-59,700
| -20% | -$2.66M |
|
1262
CALL
Alnylam Pharmaceuticals
ALNY
$36.4B
| $10.1M | ﹤0.01% |
30,600
-2,300
| -7% | -$783K |
|
1263
PUT
Factset
FDS
$8.95B
| $10.1M | ﹤0.01% |
46,500
+19,500
| +72% | +$4.55M |
|
1264
PUT
Tenet Healthcare
THC
$16.9B
| $10.1M | ﹤0.01% |
53,300
-47,300
| -47% | -$9.97M |
|
1265
CALL
Edison International
EIX
$29.5B
| $10.1M | ﹤0.01% |
137,400
-66,400
| -33% | -$4.48M |
|
1266
CALL
Invesco Equal Weight 0-30 Year Treasury ETF
GOVI
$1.23B
| $10M | ﹤0.01% |
103,700
+70,000
| +208% | +$1.93M |
|
1267
PUT
UiPath
PATH
$6.41B
| $10M | ﹤0.01% |
900,800
+225,000
| +33% | +$2.87M |
|
|
EH
1268
CALL
EHang Holdings
EH
$410M
| $9.99M | ﹤0.01% |
1,029,000
+355,100
| +53% | +$4.37M |
|
1269
CALL
Consolidated Edison
ED
$40.5B
| $9.97M | ﹤0.01% |
88,100
+27,200
| +45% | +$2.95M |
|
1270
CALL
Lithia Motors
LAD
$7.45B
| $9.94M | ﹤0.01% |
+39,800
| New | +$11.8M |
|
1271
CALL
Globe Life
GL
$14.4B
| $9.94M | ﹤0.01% |
71,400
+18,400
| +35% | +$2.6M |
|
1272
CALL
Teck Resources
TECK
$27B
| $9.92M | ﹤0.01% |
191,600
-220,300
| -53% | -$11.8M |
|
1273
CALL
Signet Jewelers
SIG
$3.54B
| $9.91M | ﹤0.01% |
117,100
+52,200
| +80% | +$4.75M |
|
1274
CALL
Transmedics
TMDX
$2.56B
| $9.9M | ﹤0.01% |
99,600
+14,200
| +17% | +$1.85M |
|
1275
PUT
Rubrik
RBRK
$15.7B
| $9.9M | ﹤0.01% |
202,100
+5,000
| +3% | +$287K |
|
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.