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 | |
|---|---|---|---|---|---|---|
3551
Fortune Brands Innovations
FBIN
$5.91B
| $764K | ﹤0.01% |
19,616
+8,320
| +74% | +$433K |
|
3552
CALL
EPR Properties
EPR
$4.75B
| $764K | ﹤0.01% |
15,300
+300
| +2% | +$16.5K |
|
3553
T-Rex 2X Inverse Tesla Daily Target ETF
TSLZ
$33.9M
| $764K | ﹤0.01% |
48,110
-10,651
| -18% | -$145K |
|
3554
CALL
Vanguard Long-Term Treasury ETF
VGLT
$10.2B
| $764K | ﹤0.01% |
13,800
-100
| -0.7% | -$5.61K |
|
3555
CALL
Anterix
ATEX
$2.06B
| $764K | ﹤0.01% |
+20,000
| New | +$633K |
|
3556
PUT
Kaspi.kz JSC
KSPI
$16.9B
| $763K | ﹤0.01% |
10,300
-1,300
| -11% | -$98.1K |
|
3557
CALL
Kulicke & Soffa
KLIC
$5.68B
| $762K | ﹤0.01% |
11,600
-5,700
| -33% | -$362K |
|
3558
DexCom
DXCM
$28.8B
| $762K | ﹤0.01% |
12,131
-9,957
| -45% | -$693K |
|
3559
CALL
Pegasystems
PEGA
$5.17B
| $762K | ﹤0.01% |
17,900
-10,500
| -37% | -$488K |
|
3560
PUT
Core & Main
CNM
$8.12B
| $761K | ﹤0.01% |
15,400
-5,000
| -25% | -$269K |
|
3561
PUT
Enovix
ENVX
$1.05B
| $760K | ﹤0.01% |
146,800
+2,900
| +2% | +$18.1K |
|
3562
AvalonBay Communities
AVB
$27.1B
| $759K | ﹤0.01% |
+4,647
| New | +$812K |
|
3563
CALL
Rollins
ROL
$21.1B
| $758K | ﹤0.01% |
+14,200
| New | +$845K |
|
3564
PUT
Voya Financial
VOYA
$8.91B
| $758K | ﹤0.01% |
+11,100
| New | +$804K |
|
3565
CALL
International Seaways
INSW
$4.48B
| $758K | ﹤0.01% |
+10,400
| New | +$665K |
|
3566
PUT
TG Therapeutics
TGTX
$8.26B
| $757K | ﹤0.01% |
22,800
-23,300
| -51% | -$694K |
|
3567
PUT
PAR Technology
PAR
$658M
| $757K | ﹤0.01% |
56,800
+42,700
| +303% | +$1M |
|
3568
PagSeguro Digital
PAGS
$2.68B
| $757K | ﹤0.01% |
75,557
-129,741
| -63% | -$1.35M |
|
3569
CALL
Polestar Automotive Holding UK
PSNY
$2.17B
| $757K | ﹤0.01% |
41,100
-40,600
| -50% | -$735K |
|
3570
CALL
Toro Company
TTC
$8.88B
| $757K | ﹤0.01% |
8,100
-5,500
| -40% | -$518K |
|
|
CNH
3571
PUT
CNH Industrial
CNH
$12.8B
| $757K | ﹤0.01% |
68,800
+29,400
| +75% | +$331K |
|
3572
Edwards Lifesciences
EW
$48.7B
| $756K | ﹤0.01% |
+9,445
| New | +$779K |
|
|
USAS
3573
Americas Gold and Silver
USAS
$1.39B
| $755K | ﹤0.01% |
+144,730
| New | +$1.06M |
|
3574
CALL
Immunovant
IMVT
$8.12B
| $755K | ﹤0.01% |
30,400
+14,400
| +90% | +$373K |
|
3575
PUT
W.P. Carey
WPC
$16.8B
| $754K | ﹤0.01% |
11,100
-1,700
| -13% | -$119K |
|
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.