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 | |
|---|---|---|---|---|---|---|
5326
CALL
Safe Bulkers
SB
$769M
| $101K | ﹤0.01% |
+16,000
| New | +$93.4K |
|
5327
CALL
Allot
ALLT
$365M
| $101K | ﹤0.01% |
+15,200
| New | +$134K |
|
5328
CALL
GrafTech
EAF
$185M
| $101K | ﹤0.01% |
14,900
-49,900
| -77% | -$528K |
|
5329
CALL
Nomad Foods
NOMD
$1.63B
| $101K | ﹤0.01% |
+10,500
| New | +$121K |
|
5330
PUT
SEALSQ Corp
LAES
$573M
| $101K | ﹤0.01% |
+38,400
| New | +$150K |
|
5331
PUT
Microbot Medical
MBOT
$118M
| $99.8K | ﹤0.01% |
+41,400
| New | +$92.5K |
|
|
NOAH
5332
Noah Holdings
NOAH
$593M
| $99.6K | ﹤0.01% |
+10,062
| New | +$115K |
|
5333
CALL
Global Water Resources
GWRS
$206M
| $99.4K | ﹤0.01% |
+13,100
| New | +$110K |
|
5334
TETRA Technologies
TTI
$1.26B
| $99.3K | ﹤0.01% |
+11,650
| New | +$117K |
|
5335
CALL
EVgo
EVGO
$213M
| $99.2K | ﹤0.01% |
+57,700
| New | +$154K |
|
5336
CALL
BTCS Inc
BTCS
$50.3M
| $98.8K | ﹤0.01% |
71,100
-10,600
| -13% | -$21.6K |
|
5337
CALL
Stagwell
STGW
$1.76B
| $98.8K | ﹤0.01% |
+15,700
| New | +$87.8K |
|
5338
PUT
Marqeta
MQ
$1.76B
| $98.3K | ﹤0.01% |
6,025
-17,825
| -75% | -$300K |
|
|
SRG
5339
CALL
Seritage Growth Properties
SRG
$130M
| $98.1K | ﹤0.01% |
34,900
-120,400
| -78% | -$376K |
|
5340
PUT
Phreesia
PHR
$606M
| $98K | ﹤0.01% |
11,700
-3,100
| -21% | -$41K |
|
5341
CALL
Wrap Technologies
WRAP
$100M
| $96.7K | ﹤0.01% |
+62,800
| New | +$124K |
|
|
API
5342
CALL
Agora
API
$329M
| $96.3K | ﹤0.01% |
+27,200
| New | +$115K |
|
5343
CALL
Cadiz
CDZI
$269M
| $96.2K | ﹤0.01% |
19,600
-80,100
| -80% | -$438K |
|
5344
CALL
PetMed Express
PETS
$43.8M
| $95.5K | ﹤0.01% |
+41,900
| New | +$122K |
|
|
BNKK
5345
CALL
Bonk Inc
BNKK
$9.36M
| $95.5K | ﹤0.01% |
+36,600
| New | +$127K |
|
5346
CALL
Phunware
PHUN
$43.1M
| $95.4K | ﹤0.01% |
+53,900
| New | +$97.7K |
|
5347
PUT
CryoPort
CYRX
$808M
| $95.2K | ﹤0.01% |
+11,500
| New | +$104K |
|
|
HUYA
5348
CALL
Huya Inc
HUYA
$551M
| $92.7K | ﹤0.01% |
+28,100
| New | +$104K |
|
5349
CALL
Lufax Holding
LU
$1.17B
| $92.6K | ﹤0.01% |
+49,500
| New | +$125K |
|
|
DEFT
5350
CALL
Defi Technologies
DEFT
$153M
| $92.4K | ﹤0.01% |
+167,300
| New | +$128K |
|
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.