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 | |
|---|---|---|---|---|---|---|
3276
Alerian MLP ETF
AMLP
$12.8B
| $1.01M | ﹤0.01% |
19,106
-24,764
| -56% | -$1.26M |
|
3277
PUT
Globant
GLOB
$1.39B
| $1.01M | ﹤0.01% |
21,800
-32,000
| -59% | -$1.77M |
|
3278
NetEase
NTES
$82.9B
| $1M | ﹤0.01% |
+8,964
| New | +$1.11M |
|
3279
ProShares UltraPro Russell2000
URTY
$342M
| $1M | ﹤0.01% |
19,451
+7,951
| +69% | +$476K |
|
|
TEN
3280
CALL
Tsakos Energy Navigation Ltd
TEN
$1.21B
| $1M | ﹤0.01% |
25,400
-9,200
| -27% | -$282K |
|
3281
CALL
Liberty Global Class A
LBTYA
$3.48B
| $1M | ﹤0.01% |
82,800
+3,800
| +5% | +$44.2K |
|
3282
PUT
Hartford Financial Services
HIG
$38.9B
| $1M | ﹤0.01% |
+7,400
| New | +$1.01M |
|
3283
CALL
TPG
TPG
$6.87B
| $1M | ﹤0.01% |
24,700
+11,400
| +86% | +$585K |
|
3284
WIX.com
WIX
$2.14B
| $1M | ﹤0.01% |
11,106
-31,104
| -74% | -$2.6M |
|
|
NAK
3285
Northern Dynasty Minerals
NAK
$969M
| $997K | ﹤0.01% |
712,381
+227,145
| +47% | +$395K |
|
3286
PUT
Camden Property Trust
CPT
$11.1B
| $996K | ﹤0.01% |
+10,200
| New | +$1.08M |
|
3287
CALL
ARK Blockchain & Fintech Innovation ETF
ARKF
$764M
| $996K | ﹤0.01% |
26,200
-4,900
| -16% | -$206K |
|
3288
PUT
Hess Midstream
HESM
$5.13B
| $995K | ﹤0.01% |
25,600
+10,200
| +66% | +$378K |
|
3289
Shoals Technologies Group
SHLS
$1.74B
| $994K | ﹤0.01% |
+151,134
| New | +$1.24M |
|
3290
ITT
ITT
$17.1B
| $993K | ﹤0.01% |
+5,210
| New | +$992K |
|
3291
CALL
AMC Entertainment Holdings
AMC
$1.96B
| $992K | ﹤0.01% |
1,012,700
-741,200
| -42% | -$954K |
|
3292
CALL
Parsons
PSN
$5.9B
| $991K | ﹤0.01% |
18,300
-600
| -3% | -$38.3K |
|
3293
PUT
Pinnacle Financial Partners Inc
PNFP
$14.6B
| $991K | ﹤0.01% |
+11,500
| New | +$1.07M |
|
3294
PUT
Bitwise Bitcoin ETF
BITB
$2.55B
| $990K | ﹤0.01% |
26,900
-22,800
| -46% | -$946K |
|
3295
CALL
Repligen
RGEN
$7.73B
| $990K | ﹤0.01% |
+8,400
| New | +$1.17M |
|
3296
CALL
HCI Group
HCI
$2.28B
| $990K | ﹤0.01% |
6,400
-14,200
| -69% | -$2.32M |
|
|
KEEL
3297
PUT
Keel Infrastructure Corp
KEEL
$2.81B
| $989K | ﹤0.01% |
507,300
-89,700
| -15% | -$211K |
|
3298
CALL
Terex
TEX
$7.4B
| $987K | ﹤0.01% |
16,700
-10,000
| -37% | -$619K |
|
3299
CALL
LKQ Corp
LKQ
$6.35B
| $987K | ﹤0.01% |
33,600
-45,900
| -58% | -$1.47M |
|
3300
ProShares UltraShort Russell2000
TWM
$41.6M
| $986K | ﹤0.01% |
31,822
-5,709
| -15% | -$167K |
|
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.