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IMC Chicago

IMC Chicago Portfolio holdings

AUM $419B
1-Year Est. Return 72.04%
 

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.

This Fund
S&P 500
This Quarter Est. Return
+37.99%
1 Year Est. Return
+72.04%
3 Year Est. Return
+250.38%
5 Year Est. Return
+244.63%
10 Year Est. Return
–
AUM
$419B
AUM Growth
+$140B
Cap. Flow
+$2.99B
Cap. Flow %
0.71%
Top 10 Hldgs %
33.71%
Holding
6,955
New
1,282
Increased
3,251
Reduced
1,751
Closed
653

Top Buys

Rank Stock Value
1
DIA icon
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
+$568M
2
AMZN icon
Amazon
AMZN
+$341M
3
EWY icon
iShares MSCI South Korea ETF
EWY
+$278M
4
AAPL icon
Apple
AAPL
+$239M
5
TSM icon
TSMC
TSM
+$215M

Top Sells

Rank Stock Value
1
SPY icon
State Street SPDR S&P 500 ETF Trust
SPY
+$316M
2
TSLA icon
Tesla
TSLA
+$253M
3
MU icon
Micron Technology
MU
+$178M
4
IBIT icon
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
EPR icon
6451
EPR Properties
EPR
$4.6B
– –
-7,157
Closed -$407K
ERIE icon
6452
Erie Indemnity
ERIE
$13.2B
– –
-896
Closed -$205K
ESAB icon
6453
PUT
ESAB
ESAB
$4.66B
– –
-2,500
Closed -$242K
ESLT icon
6454
Elbit Systems
ESLT
$33B
– –
-706
Closed -$587K
ESTA icon
6455
PUT
Establishment Labs
ESTA
$2.21B
– –
-26,600
Closed -$1.51M
ETD icon
6456
CALL
Ethan Allen Interiors
ETD
$567M
– –
-14,000
Closed -$312K
ETD icon
6457
PUT
Ethan Allen Interiors
ETD
$567M
– –
-11,000
Closed -$245K
EU
6458
enCore Energy
EU
$241M
– –
-21,178
Closed -$35.6K
EVLV icon
6459
Evolv Technologies
EVLV
$906M
– –
-13,337
Closed -$83.6K
EW icon
6460
Edwards Lifesciences
EW
$51.8B
– –
-9,445
Closed -$791K
EXEL icon
6461
Exelixis
EXEL
$14.6B
– –
-9,170
Closed -$446K
EXPD icon
6462
Expeditors International
EXPD
$24.5B
– –
-16,644
Closed -$2.57M
AGNT
6463
PUT
AGNT Inc
AGNT
$673M
– –
-11,500
Closed -$68.9K
EZA icon
6464
iShares MSCI South Africa ETF
EZA
$587M
– –
-7,341
Closed -$498K
EZPW icon
6465
Ezcorp Inc
EZPW
$2.05B
– –
-11,600
Closed -$366K
EZU icon
6466
iShare MSCI Eurozone ETF
EZU
$9.91B
– –
-3,201
Closed -$201K
FCG icon
6467
CALL
First Trust Natural Gas ETF
FCG
$687M
– –
-12,300
Closed -$390K
FCG icon
6468
First Trust Natural Gas ETF
FCG
$687M
– –
-9,746
Closed -$286K
FE icon
6469
FirstEnergy
FE
$27.1B
– –
-41,942
Closed -$1.99M
FICO icon
6470
Fair Isaac
FICO
$20.1B
– –
-5,502
Closed -$6.16M
FIGS icon
6471
CALL
FIGS
FIGS
$2.4B
– –
-16,700
Closed -$247K
FLEX icon
6472
Flex
FLEX
$40.5B
– –
-5,973
Closed -$724K
FLYW icon
6473
Flywire
FLYW
$2.26B
– –
-56,704
Closed -$838K
FMX icon
6474
Fomento Económico Mexicano
FMX
$41B
– –
-4,406
Closed -$531K
FNB icon
6475
CALL
FNB Corp
FNB
$6.65B
– –
-15,500
Closed -$259K
257 258
259
260 261

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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.