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 | |
|---|---|---|---|---|---|---|
|
ABTC
5851
CALL
American Bitcoin Corp
ABTC
$582M
| $145K | ﹤0.01% |
14,193
+7,653
| +117% | +$117K |
|
|
ACH
5852
Accendra Health
ACH
$93.1M
| $145K | ﹤0.01% |
42,255
+23,812
| +129% | +$74K |
|
5853
CALL
Sinclair Inc
SBGI
$999M
| $144K | ﹤0.01% |
10,100
-5,000
| -33% | -$72K |
|
5854
CALL
Quantum Corp
QMCO
$975M
| $143K | ﹤0.01% |
+13,000
| New | +$125K |
|
5855
CALL
CPS Technologies
CPSH
$74.3M
| $143K | ﹤0.01% |
+25,900
| New | +$152K |
|
5856
CALL
MidCap Financial Investment
MFIC
$792M
| $142K | ﹤0.01% |
+14,100
| New | +$155K |
|
5857
PUT
Paysign
PAYS
$759M
| $142K | ﹤0.01% |
+17,300
| New | +$115K |
|
5858
CALL
GrafTech
EAF
$162M
| $141K | ﹤0.01% |
23,900
+9,000
| +60% | +$76K |
|
5859
PUT
MannKind Corp
MNKD
$1.31B
| $141K | ﹤0.01% |
33,000
+12,700
| +63% | +$41.2K |
|
5860
CALL
loanDepot
LDI
$319M
| $141K | ﹤0.01% |
112,400
-103,700
| -48% | -$140K |
|
|
AVK
5861
Advent Convertible and Income Fund
AVK
$547M
| $140K | ﹤0.01% |
+10,715
| New | +$135K |
|
|
AAOG
5862
Leverage Shares 2X Long AAOI Daily ETF
AAOG
$16.4M
| $140K | ﹤0.01% |
+19,843
| New | +$232K |
|
5863
CALL
Future Fuel
FF
$231M
| $139K | ﹤0.01% |
30,700
-42,000
| -58% | -$181K |
|
5864
CALL
Titan International
TWI
$538M
| $137K | ﹤0.01% |
+17,800
| New | +$137K |
|
|
BTQ
5865
BTQ Technologies Corp
BTQ
$444M
| $137K | ﹤0.01% |
25,445
+8,480
| +50% | +$31.6K |
|
5866
PUT
AvePoint
AVPT
$2.84B
| $137K | ﹤0.01% |
+12,200
| New | +$125K |
|
5867
PUT
TriplePoint Venture Growth BDC
TPVG
$213M
| $136K | ﹤0.01% |
27,700
+9,700
| +54% | +$52K |
|
|
AVR
5868
CALL
Anteris Technologies
AVR
$881M
| $136K | ﹤0.01% |
13,800
-5,800
| -30% | -$44.1K |
|
5869
AdaptHealth
AHCO
$866M
| $135K | ﹤0.01% |
12,982
-40,668
| -76% | -$454K |
|
5870
AbCellera Biologics
ABCL
$3.7B
| $135K | ﹤0.01% |
+17,205
| New | +$84.1K |
|
|
LOMA
5871
PUT
Loma Negra
LOMA
$1.2B
| $134K | ﹤0.01% |
+11,700
| New | +$133K |
|
5872
CALL
Limoneira
LMNR
$272M
| $134K | ﹤0.01% |
+10,200
| New | +$131K |
|
|
MFA
5873
MFA Financial
MFA
$905M
| $134K | ﹤0.01% |
+13,807
| New | +$134K |
|
|
FOCL
5874
PUT
EDAP TMS S.A.
FOCL
$191M
| $134K | ﹤0.01% |
25,800
+3,500
| +16% | +$14.3K |
|
5875
PUT
ReNew
RNW
$2.5B
| $133K | ﹤0.01% |
+21,200
| New | +$119K |
|
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.