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 | |
|---|---|---|---|---|---|---|
4276
Unusual Machines
UMAC
$1.01B
| $399K | ﹤0.01% |
32,195
-30,665
| -49% | -$467K |
|
4277
CALL
TXO Partners LP
TXO
$734M
| $399K | ﹤0.01% |
+31,700
| New | +$382K |
|
4278
Banco Santander
SAN
$194B
| $398K | ﹤0.01% |
+35,323
| New | +$421K |
|
4279
CALL
Steris
STE
$20.8B
| $398K | ﹤0.01% |
+1,800
| New | +$440K |
|
4280
Compass Diversified
CODI
$755M
| $398K | ﹤0.01% |
+50,606
| New | +$322K |
|
4281
PUT
Tandem Diabetes Care
TNDM
$1.17B
| $397K | ﹤0.01% |
20,700
+7,800
| +60% | +$169K |
|
|
STUB
4282
PUT
StubHub Holdings
STUB
$3.24B
| $396K | ﹤0.01% |
63,400
-178,800
| -74% | -$1.86M |
|
4283
Mercury Systems
MRCY
$6.42B
| $395K | ﹤0.01% |
+5,422
| New | +$472K |
|
4284
InterDigital
IDCC
$6.64B
| $395K | ﹤0.01% |
+1,308
| New | +$445K |
|
4285
CALL
Sonoco
SON
$5.53B
| $395K | ﹤0.01% |
7,300
-4,500
| -38% | -$232K |
|
|
XXRP
4286
Teucrium 2x Long Daily XRP ETF
XXRP
$92.4M
| $395K | ﹤0.01% |
10,280
+309
| +3% | +$20.8K |
|
4287
PUT
Energizer
ENR
$1.44B
| $394K | ﹤0.01% |
24,000
-900
| -4% | -$18.2K |
|
4288
PUT
Performance Food Group
PFGC
$17.5B
| $394K | ﹤0.01% |
+4,600
| New | +$421K |
|
4289
Brookfield Renewable
BEPC
$6.15B
| $394K | ﹤0.01% |
+9,886
| New | +$403K |
|
4290
Exelixis
EXEL
$14.1B
| $393K | ﹤0.01% |
+9,170
| New | +$394K |
|
|
SOLZ
4291
Solana ETF
SOLZ
$88.3M
| $393K | ﹤0.01% |
47,043
-23,539
| -33% | -$244K |
|
4292
PUT
iShares 0-5 Year Investment Grade Corporate Bond ETF
SLQD
$2.36B
| $393K | ﹤0.01% |
+5,600
| New | +$284K |
|
4293
PUT
Brunswick
BC
$5.19B
| $393K | ﹤0.01% |
+5,400
| New | +$436K |
|
|
4294
PUT
TXO Partners LP
TXO
$734M
| $392K | ﹤0.01% |
+31,200
| New | +$376K |
|
|
VSNT
4295
PUT
Versant Media Group
VSNT
$5.06B
| $392K | ﹤0.01% |
+10,600
| New | +$357K |
|
4296
CALL
Acuity Brands
AYI
$9.75B
| $392K | ﹤0.01% |
+1,400
| New | +$425K |
|
|
MRP
4297
CALL
Millrose Properties Inc
MRP
$4.73B
| $392K | ﹤0.01% |
+14,000
| New | +$422K |
|
4298
ProShares UltraShort Bloomberg Crude Oil
SCO
$589M
| $392K | ﹤0.01% |
11,776
+7,178
| +156% | +$403K |
|
|
NUAI
4299
New Era Energy & Digital Inc
NUAI
$521M
| $391K | ﹤0.01% |
+96,376
| New | +$484K |
|
4300
PUT
RUM Group Inc
RUM
$1.64B
| $391K | ﹤0.01% |
76,700
-31,300
| -29% | -$180K |
|
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.