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 |
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
|
+$568M |
| 2 |
Amazon
AMZN
|
+$341M |
| 3 |
iShares MSCI South Korea ETF
EWY
|
+$278M |
| 4 |
Apple
AAPL
|
+$239M |
| 5 |
TSMC
TSM
|
+$215M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
State Street SPDR S&P 500 ETF Trust
SPY
|
+$316M |
| 2 |
Tesla
TSLA
|
+$253M |
| 3 |
Micron Technology
MU
|
+$178M |
| 4 |
iShares Bitcoin Trust
IBIT
|
+$176M |
| 5 |
SNDK
Sandisk
SNDK
|
+$159M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Miscellaneous | 97.94% |
| 2 | Technology | 0.92% |
| 3 | Consumer Discretionary | 0.31% |
| 4 | Financials | 0.17% |
| 5 | Communication Services | 0.16% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
5626
InMode
INMD
$858M
| $209K | ﹤0.01% |
+14,312
| New | +$200K |
|
5627
Prospect Capital
PSEC
$1.14B
| $209K | ﹤0.01% |
90,476
-10,766
| -11% | -$26.5K |
|
5628
PUT
Morgan Stanley Direct Lending Fund
MSDL
$1.28B
| $209K | ﹤0.01% |
13,800
-600
| -4% | -$9.09K |
|
|
ORBS
5629
PUT
Eightco Holdings
ORBS
$351M
| $209K | ﹤0.01% |
299,800
+209,200
| +231% | +$188K |
|
|
CRCG
5630
CALL
Leverage Shares 2X Long CRCL Daily ETF
CRCG
$200M
| $208K | ﹤0.01% |
7,900
-190
| -2% | -$4.86K |
|
|
BZAI
5631
CALL
Blaize Holdings
BZAI
$66.7M
| $208K | ﹤0.01% |
150,800
-10,300
| -6% | -$18.1K |
|
5632
OraSure Technologies
OSUR
$240M
| $208K | ﹤0.01% |
46,650
+23,133
| +98% | +$81.8K |
|
5633
CALL
Brookfield Infrastructure
BIPC
$4.6B
| $208K | ﹤0.01% |
+5,400
| New | +$218K |
|
5634
ReNew
RNW
$2.5B
| $208K | ﹤0.01% |
+33,263
| New | +$187K |
|
5635
CALL
Village Farms International
VFF
$357M
| $208K | ﹤0.01% |
103,900
+18,700
| +22% | +$46.8K |
|
5636
Sarepta Therapeutics
SRPT
$2.38B
| $207K | ﹤0.01% |
11,546
-2,349
| -17% | -$44.4K |
|
5637
Levi Strauss
LEVI
$8.1B
| $207K | ﹤0.01% |
+8,352
| New | +$188K |
|
5638
Rimini Street
RMNI
$468M
| $207K | ﹤0.01% |
+48,668
| New | +$185K |
|
5639
PUT
Utz Brands
UTZ
$1.26B
| $207K | ﹤0.01% |
26,900
+6,900
| +35% | +$51.5K |
|
5640
PUT
Xperi
XPER
$282M
| $207K | ﹤0.01% |
25,100
-2,000
| -7% | -$14.5K |
|
5641
PUT
Amplitude
AMPL
$1.63B
| $207K | ﹤0.01% |
27,000
+14,500
| +116% | +$100K |
|
5642
PUT
Heritage Insurance Holdings
HRTG
$1.01B
| $206K | ﹤0.01% |
+7,900
| New | +$197K |
|
5643
PUT
National Health Investors
NHI
$3.48B
| $206K | ﹤0.01% |
+2,700
| New | +$207K |
|
5644
CALL
BuzzFeed
BZFD
$90.8M
| $206K | ﹤0.01% |
141,000
+107,100
| +316% | +$123K |
|
|
UROY
5645
PUT
Uranium Royalty Corp
UROY
$1.69B
| $206K | ﹤0.01% |
74,000
+18,200
| +33% | +$63.8K |
|
|
AMRN
5646
PUT
Amarin Corp
AMRN
$288M
| $206K | ﹤0.01% |
+12,900
| New | +$191K |
|
5647
PUT
POSCO
PKX
$19B
| $206K | ﹤0.01% |
+4,000
| New | +$274K |
|
5648
PUT
Option Care Health
OPCH
$3.63B
| $206K | ﹤0.01% |
9,800
-8,200
| -46% | -$191K |
|
5649
Mama's Creations
MAMA
$715M
| $205K | ﹤0.01% |
+11,490
| New | +$174K |
|
|
STRZ
5650
CALL
Starz Entertainment Corp
STRZ
$460M
| $205K | ﹤0.01% |
+7,100
| New | +$155K |
|
Similar funds
IMC Chicago's Q2 2026 Portfolio in Review
As of Q2 2026, IMC Chicago held 6,955 positions worth $419B, up 50% from $278B the previous quarter. Its ten largest holdings account for 34% of the portfolio.
IMC Chicago's Q2 2026 filing shows 1,282 new, 3,251 increased, 1,751 reduced and 653 closed positions. Its largest new stake was Microsoft: 303,034 shares worth $113M. The largest sale was State Street SPDR S&P 500 ETF Trust, an estimated $316M.
By sector, the portfolio is most concentrated in Miscellaneous at 98% of assets, down from 98% a quarter earlier, followed by Technology and Consumer Discretionary.
- IMC Chicago's largest Q2 2026 buy was Microsoft: 303,034 shares worth $113M.
- IMC Chicago added most to State Street SPDR Dow Jones Industrial Average ETF Trust in Q2 2026, an estimated $568M increase.
- IMC Chicago's biggest Q2 2026 reduction was Tesla, cutting an estimated $253M.
- IMC Chicago fully exited State Street SPDR S&P 500 ETF Trust in Q2 2026, selling an estimated $316M.
- IMC Chicago's ten largest holdings make up 34% of its $419B portfolio in Q2 2026.
- IMC Chicago opened 1,282 new positions and closed 653 in Q2 2026.
- IMC Chicago's portfolio value rose 50% quarter-over-quarter to $419B.
Based on IMC Chicago's 13F filing for Q2 2026, filed 6 Aug 2026.