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 | |
|---|---|---|---|---|---|---|
3226
Repligen
RGEN
$7.73B
| $1.06M | ﹤0.01% |
+9,012
| New | +$1.26M |
|
3227
PUT
Public Service Enterprise Group
PEG
$38.6B
| $1.06M | ﹤0.01% |
13,100
-22,000
| -63% | -$1.8M |
|
3228
Crown Castle
CCI
$33.3B
| $1.06M | ﹤0.01% |
+13,037
| New | +$1.12M |
|
|
LINE
3229
Lineage Inc
LINE
$9.86B
| $1.06M | ﹤0.01% |
+32,312
| New | +$1.2M |
|
3230
PUT
Summit Therapeutics
SMMT
$11.4B
| $1.06M | ﹤0.01% |
55,800
-25,800
| -32% | -$417K |
|
|
BULL
3231
PUT
Webull Corp
BULL
$4.33B
| $1.06M | ﹤0.01% |
220,200
-271,600
| -55% | -$1.76M |
|
3232
Amprius Technologies
AMPX
$1.54B
| $1.06M | ﹤0.01% |
+62,679
| New | +$817K |
|
3233
CALL
ING
ING
$94.6B
| $1.05M | ﹤0.01% |
40,400
-7,300
| -15% | -$205K |
|
3234
Guardant Health
GH
$20.2B
| $1.05M | ﹤0.01% |
11,387
-2,041
| -15% | -$205K |
|
3235
Twilio
TWLO
$29.8B
| $1.05M | ﹤0.01% |
8,336
-25,206
| -75% | -$3.1M |
|
3236
CALL
Sensata Technologies
ST
$6.76B
| $1.05M | ﹤0.01% |
29,700
+4,400
| +17% | +$156K |
|
3237
CALL
DXC Technology
DXC
$1.51B
| $1.05M | ﹤0.01% |
83,200
+49,600
| +148% | +$666K |
|
3238
CALL
AES
AES
$10.6B
| $1.05M | ﹤0.01% |
74,200
-23,600
| -24% | -$351K |
|
3239
CALL
Descartes Systems
DSGX
$6.08B
| $1.04M | ﹤0.01% |
14,600
-100
| -0.7% | -$7.38K |
|
3240
CALL
National Fuel Gas
NFG
$7.69B
| $1.04M | ﹤0.01% |
+11,100
| New | +$969K |
|
3241
Remitly
RELY
$5.02B
| $1.04M | ﹤0.01% |
66,531
+33,426
| +101% | +$495K |
|
3242
CALL
Valmont Industries
VMI
$9.81B
| $1.04M | ﹤0.01% |
+2,600
| New | +$1.14M |
|
3243
NovaGold Resources
NG
$2.47B
| $1.04M | ﹤0.01% |
+115,305
| New | +$1.19M |
|
|
CGAU
3244
CALL
Centerra Gold
CGAU
$3.19B
| $1.04M | ﹤0.01% |
58,200
+20,900
| +56% | +$372K |
|
|
DX
3245
PUT
Dynex Capital
DX
$2.8B
| $1.03M | ﹤0.01% |
81,000
+57,500
| +245% | +$791K |
|
3246
CALL
Domo
DOMO
$155M
| $1.03M | ﹤0.01% |
337,600
+123,500
| +58% | +$626K |
|
3247
CALL
Arrow Electronics
ARW
$11.1B
| $1.03M | ﹤0.01% |
+7,200
| New | +$987K |
|
3248
SoundHound AI
SOUN
$2.85B
| $1.03M | ﹤0.01% |
150,029
-411,877
| -73% | -$3.55M |
|
3249
PUT
Vanguard FTSE Europe ETF
VGK
$30.1B
| $1.03M | ﹤0.01% |
+12,500
| New | +$1.07M |
|
3250
PUT
Primoris Services
PRIM
$4.76B
| $1.03M | ﹤0.01% |
+7,200
| New | +$1.05M |
|
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.