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 | |
|---|---|---|---|---|---|---|
3176
CALL
Bakkt Inc
BKKT
$375M
| $1.77M | ﹤0.01% |
226,800
+112,300
| +98% | +$1.01M |
|
3177
CALL
PAR Technology
PAR
$818M
| $1.77M | ﹤0.01% |
101,500
-16,200
| -14% | -$234K |
|
3178
CALL
CVR Partners
UAN
$1.38B
| $1.76M | ﹤0.01% |
15,800
+10,500
| +198% | +$1.29M |
|
3179
Vanguard Information Technology ETF
VGT
$149B
| $1.76M | ﹤0.01% |
14,732
-6,988
| -32% | -$765K |
|
|
LTM
3180
CALL
LATAM Airlines Group S.A.
LTM
$15.1B
| $1.76M | ﹤0.01% |
30,200
+17,200
| +132% | +$885K |
|
3181
C3.ai
AI
$1.67B
| $1.76M | ﹤0.01% |
193,393
+89,429
| +86% | +$849K |
|
3182
PUT
Murphy Oil
MUR
$5.22B
| $1.75M | ﹤0.01% |
53,800
-19,800
| -27% | -$758K |
|
3183
McKesson
MCK
$106B
| $1.75M | ﹤0.01% |
+2,317
| New | +$1.84M |
|
3184
PUT
Urban Outfitters
URBN
$6.94B
| $1.75M | ﹤0.01% |
24,700
-7,000
| -22% | -$499K |
|
|
NAVN
3185
CALL
Navan Inc
NAVN
$7.07B
| $1.75M | ﹤0.01% |
76,500
+44,400
| +138% | +$813K |
|
3186
PUT
LPL Financial
LPLA
$28.3B
| $1.75M | ﹤0.01% |
6,200
-6,300
| -50% | -$1.89M |
|
3187
PUT
Methanex
MEOH
$4.54B
| $1.74M | ﹤0.01% |
37,800
-31,700
| -46% | -$1.87M |
|
3188
CALL
Travel + Leisure Co
TNL
$4.06B
| $1.74M | ﹤0.01% |
22,800
-31,500
| -58% | -$2.21M |
|
3189
PUT
ITT
ITT
$18.3B
| $1.74M | ﹤0.01% |
8,800
-10,000
| -53% | -$2.02M |
|
3190
Tyson Foods
TSN
$18.1B
| $1.74M | ﹤0.01% |
30,384
+9,014
| +42% | +$564K |
|
3191
PUT
BlackSky Technology
BKSY
$839M
| $1.74M | ﹤0.01% |
62,300
+1,500
| +2% | +$54.2K |
|
3192
PUT
Teekay Tankers
TNK
$3.24B
| $1.74M | ﹤0.01% |
26,800
+9,100
| +51% | +$685K |
|
3193
CALL
WisdomTree US Total Dividend Fund
DTD
$1.67B
| $1.74M | ﹤0.01% |
10,000
-3,500
| -26% | -$320K |
|
3194
CALL
ARK Space & Defense Innovation ETF
ARKX
$764M
| $1.73M | ﹤0.01% |
50,800
+39,200
| +338% | +$1.32M |
|
3195
Sibanye-Stillwater
SBSW
$9.05B
| $1.73M | ﹤0.01% |
204,055
+121,481
| +147% | +$1.42M |
|
3196
PUT
Triumph Financial Inc
TFIN
$1.66B
| $1.73M | ﹤0.01% |
22,700
+16,300
| +255% | +$1.11M |
|
3197
CALL
Rollins
ROL
$17.3B
| $1.73M | ﹤0.01% |
41,500
+27,300
| +192% | +$1.4M |
|
3198
PUT
Vanguard Global ex-US Real Estate ETF
VNQI
$3.49B
| $1.73M | ﹤0.01% |
29,000
+7,500
| +35% | +$345K |
|
3199
Invesco S&P 500 Momentum ETF
SPMO
$22.5B
| $1.73M | ﹤0.01% |
+10,714
| New | +$1.51M |
|
3200
CALL
TechnipFMC
FTI
$31.3B
| $1.73M | ﹤0.01% |
26,100
-21,900
| -46% | -$1.55M |
|
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.