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 | |
|---|---|---|---|---|---|---|
3501
PUT
Freshpet
FRPT
$2.88B
| $796K | ﹤0.01% |
13,500
-38,600
| -74% | -$2.71M |
|
3502
CALL
Acadia Healthcare
ACHC
$3.27B
| $795K | ﹤0.01% |
+34,000
| New | +$615K |
|
3503
Federal Realty Investment Trust
FRT
$10.8B
| $795K | ﹤0.01% |
+7,485
| New | +$782K |
|
3504
PUT
Mercury Systems
MRCY
$5.92B
| $795K | ﹤0.01% |
+10,900
| New | +$949K |
|
3505
CALL
Winnebago Industries
WGO
$859M
| $793K | ﹤0.01% |
25,600
+10,300
| +67% | +$429K |
|
3506
Republic Services
RSG
$66B
| $792K | ﹤0.01% |
+3,617
| New | +$793K |
|
3507
CALL
Cooper-Standard Automotive
CPS
$513M
| $792K | ﹤0.01% |
28,400
+17,500
| +161% | +$585K |
|
3508
CALL
Rayonier Advanced Materials
RYAM
$581M
| $792K | ﹤0.01% |
71,500
-4,000
| -5% | -$36.1K |
|
3509
PUT
Dropbox
DBX
$6.86B
| $791K | ﹤0.01% |
34,800
-66,500
| -66% | -$1.69M |
|
3510
CALL
Vishay Precision Group
VPG
$1.5B
| $790K | ﹤0.01% |
+18,200
| New | +$822K |
|
3511
Amplify Junior Silver Miners ETF
SILJ
$3.31B
| $790K | ﹤0.01% |
26,584
-660
| -2% | -$21.9K |
|
3512
PUT
Boise Cascade
BCC
$2.62B
| $789K | ﹤0.01% |
+10,400
| New | +$833K |
|
3513
PUT
Matsons
MATX
$6.63B
| $787K | ﹤0.01% |
+4,800
| New | +$747K |
|
3514
GlobalFoundries
GFS
$32.6B
| $787K | ﹤0.01% |
17,691
-61,500
| -78% | -$2.71M |
|
3515
Primoris Services
PRIM
$4.76B
| $785K | ﹤0.01% |
+5,491
| New | +$804K |
|
|
LIF
3516
CALL
Life360
LIF
$4.45B
| $784K | ﹤0.01% |
+19,200
| New | +$993K |
|
3517
PUT
Indivior Pharmaceuticals
INDV
$4.78B
| $783K | ﹤0.01% |
25,700
+7,500
| +41% | +$248K |
|
3518
Camden Property Trust
CPT
$11.1B
| $783K | ﹤0.01% |
+8,021
| New | +$850K |
|
3519
CALL
Vornado Realty Trust
VNO
$7.52B
| $782K | ﹤0.01% |
30,100
+5,900
| +24% | +$175K |
|
3520
CALL
Cullen/Frost Bankers
CFR
$10.2B
| $781K | ﹤0.01% |
+5,700
| New | +$787K |
|
3521
Encompass Health
EHC
$11.1B
| $781K | ﹤0.01% |
+8,069
| New | +$828K |
|
|
KOCG
3522
PUT
DELISTED
FIS Knights of Columbus Global Belief ETF
KOCG
| $780K | ﹤0.01% |
15,800
-7,300
| -32% | -$360K |
|
|
WBI
3523
PUT
WaterBridge Infrastructure LLC
WBI
$1.67B
| $780K | ﹤0.01% |
+29,100
| New | +$693K |
|
3524
CALL
Vital Farms
VITL
$562M
| $779K | ﹤0.01% |
55,200
+30,000
| +119% | +$709K |
|
3525
PUT
OR Royalties Inc
OR
$5.48B
| $779K | ﹤0.01% |
20,500
+6,300
| +44% | +$259K |
|
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.