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 | |
|---|---|---|---|---|---|---|
1176
State Street Energy Select Sector SPDR ETF
XLE
$41.7B
| $16.9M | ﹤0.01% |
+317,947
| New | +$18.2M |
|
1177
CALL
Digital Realty Trust
DLR
$69.9B
| $16.9M | ﹤0.01% |
94,000
-28,600
| -23% | -$5.48M |
|
1178
PUT
Oscar Health
OSCR
$9.95B
| $16.8M | ﹤0.01% |
590,200
-127,700
| -18% | -$2.75M |
|
1179
PUT
UiPath
PATH
$7.87B
| $16.8M | ﹤0.01% |
1,547,700
+646,900
| +72% | +$6.91M |
|
1180
CALL
DaVita
DVA
$11.7B
| $16.8M | ﹤0.01% |
75,600
+30,800
| +69% | +$5.6M |
|
1181
CALL
monday.com
MNDY
$3.85B
| $16.8M | ﹤0.01% |
232,300
+47,900
| +26% | +$3.51M |
|
1182
CALL
Truist Financial
TFC
$63.1B
| $16.8M | ﹤0.01% |
336,700
+101,700
| +43% | +$5M |
|
1183
CALL
Nasdaq
NDAQ
$54.2B
| $16.8M | ﹤0.01% |
212,600
-85,800
| -29% | -$7.53M |
|
1184
PUT
Mondelez International
MDLZ
$78.2B
| $16.7M | ﹤0.01% |
288,800
+74,900
| +35% | +$4.51M |
|
|
1185
PUT
Truist Financial
TFC
$63.1B
| $16.7M | ﹤0.01% |
334,800
+100
| +0% | +$4.92K |
|
1186
CALL
CRISPR Therapeutics
CRSP
$5.39B
| $16.7M | ﹤0.01% |
305,800
-9,100
| -3% | -$480K |
|
1187
CALL
American Water Works
AWK
$28B
| $16.7M | ﹤0.01% |
126,700
+67,600
| +114% | +$8.69M |
|
|
FIG
1188
PUT
Figma
FIG
$12.9B
| $16.7M | ﹤0.01% |
920,800
+397,300
| +76% | +$7.99M |
|
1189
CALL
Tenet Healthcare
THC
$21.3B
| $16.6M | ﹤0.01% |
88,900
+49,100
| +123% | +$9.03M |
|
1190
CALL
Dick's Sporting Goods
DKS
$12.4B
| $16.6M | ﹤0.01% |
73,300
+13,000
| +22% | +$2.87M |
|
1191
PUT
Alaska Air
ALK
$4.69B
| $16.6M | ﹤0.01% |
317,800
+35,400
| +13% | +$1.51M |
|
1192
PUT
Tapestry
TPR
$24.4B
| $16.6M | ﹤0.01% |
113,200
+26,200
| +30% | +$3.75M |
|
1193
CALL
Kinross Gold
KGC
$36.6B
| $16.5M | ﹤0.01% |
699,900
+112,900
| +19% | +$3.32M |
|
1194
PUT
Bank of Montreal
BMO
$122B
| $16.5M | ﹤0.01% |
93,300
+34,900
| +60% | +$5.49M |
|
1195
PUT
Carpenter Technology
CRS
$23.6B
| $16.5M | ﹤0.01% |
26,700
+8,100
| +44% | +$3.81M |
|
1196
PUT
F5
FFIV
$22.1B
| $16.4M | ﹤0.01% |
39,500
+25,400
| +180% | +$9.03M |
|
1197
PUT
Samsara
IOT
$23.4B
| $16.4M | ﹤0.01% |
504,500
+298,200
| +145% | +$9.23M |
|
1198
CALL
T. Rowe Price
TROW
$23.4B
| $16.4M | ﹤0.01% |
143,900
-94,100
| -40% | -$9.62M |
|
1199
CALL
Rio Tinto
RIO
$168B
| $16.4M | ﹤0.01% |
172,300
-124,400
| -42% | -$12.6M |
|
1200
BioCryst Pharmaceuticals
BCRX
$2.55B
| $16.3M | ﹤0.01% |
1,634,336
+1,003,046
| +159% | +$9.07M |
|
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.