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 | |
|---|---|---|---|---|---|---|
3326
Labcorp
LH
$22.9B
| $963K | ﹤0.01% |
+3,609
| New | +$977K |
|
|
GLDB
3327
PUT
IDX Alternative FIAT ETF
GLDB
$34.6M
| $963K | ﹤0.01% |
508,900
+307,900
| +153% | +$7.73M |
|
|
VZLA
3328
PUT
Vizsla Silver
VZLA
$1.15B
| $960K | ﹤0.01% |
291,000
+194,600
| +202% | +$890K |
|
3329
Coupang
CPNG
$28.3B
| $959K | ﹤0.01% |
+50,794
| New | +$994K |
|
3330
Tradr TSLA Bear Daily ETF
TSLQ
$117M
| $958K | ﹤0.01% |
38,942
-24,061
| -38% | -$505K |
|
3331
HEICO Corp
HEI
$47.6B
| $957K | ﹤0.01% |
+3,491
| New | +$1.12M |
|
3332
Direxion NASDAQ-100 Equal Weighted Index ETF
QQQE
$1.36B
| $956K | ﹤0.01% |
+9,707
| New | +$996K |
|
3333
PUT
First Horizon
FHN
$12.1B
| $956K | ﹤0.01% |
42,000
-52,300
| -55% | -$1.25M |
|
3334
Highwoods Properties
HIW
$3.65B
| $956K | ﹤0.01% |
+44,634
| New | +$1.07M |
|
3335
CALL
Hexcel
HXL
$8.2B
| $955K | ﹤0.01% |
11,800
-5,100
| -30% | -$430K |
|
3336
ProShares Short S&P500
SH
$876M
| $955K | ﹤0.01% |
25,174
-33,180
| -57% | -$1.21M |
|
3337
PUT
Atkore
ATKR
$2.52B
| $954K | ﹤0.01% |
16,200
-200
| -1% | -$13K |
|
3338
Brookdale Senior Living
BKD
$3.63B
| $953K | ﹤0.01% |
+69,669
| New | +$976K |
|
3339
CALL
Altimmune
ALT
$548M
| $950K | ﹤0.01% |
308,500
+34,400
| +13% | +$146K |
|
3340
PUT
Corebridge Financial
CRBG
$14.2B
| $950K | ﹤0.01% |
39,800
-30,900
| -44% | -$865K |
|
3341
PUT
Allegiant Air
ALGT
$2.72B
| $948K | ﹤0.01% |
+11,700
| New | +$1.08M |
|
3342
Grab
GRAB
$14.3B
| $945K | ﹤0.01% |
258,300
-915,769
| -78% | -$3.88M |
|
3343
CALL
Virgin Galactic
SPCE
$357M
| $942K | ﹤0.01% |
387,700
-303,700
| -44% | -$824K |
|
3344
Hercules Capital
HTGC
$3.02B
| $942K | ﹤0.01% |
63,773
+39,596
| +164% | +$647K |
|
3345
CALL
Helen of Troy
HELE
$635M
| $942K | ﹤0.01% |
65,300
-11,200
| -15% | -$196K |
|
3346
PUT
BlackLine
BL
$1.72B
| $940K | ﹤0.01% |
25,400
+4,500
| +22% | +$194K |
|
3347
CALL
Globus Medical
GMED
$10.3B
| $939K | ﹤0.01% |
10,900
-32,700
| -75% | -$2.94M |
|
|
AUGO
3348
PUT
Aura Minerals Inc
AUGO
$4.58B
| $938K | ﹤0.01% |
+11,500
| New | +$806K |
|
3349
CALL
WD-40
WDFC
$3.19B
| $938K | ﹤0.01% |
+4,600
| New | +$1.03M |
|
3350
CALL
Herc Holdings
HRI
$4.94B
| $936K | ﹤0.01% |
+9,400
| New | +$1.34M |
|
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.