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 | |
|---|---|---|---|---|---|---|
1251
PUT
Trane Technologies
TT
$98.5B
| $15.3M | ﹤0.01% |
31,100
+6,700
| +27% | +$3.13M |
|
1252
CALL
Royal Bank of Canada
RY
$292B
| $15.3M | ﹤0.01% |
73,800
-19,900
| -21% | -$3.69M |
|
1253
CALL
Enbridge
ENB
$109B
| $15.3M | ﹤0.01% |
281,500
+33,900
| +14% | +$1.86M |
|
1254
PUT
Listed Funds Trust Roundhill Magnificent Seven ETF
MAGS
$4.28B
| $15.2M | ﹤0.01% |
236,500
+136,000
| +135% | +$8.98M |
|
1255
Hecla Mining
HL
$13.9B
| $15.2M | ﹤0.01% |
983,842
+273,850
| +39% | +$4.81M |
|
1256
CALL
Canadian Natural Resources
CNQ
$104B
| $15.1M | ﹤0.01% |
383,500
+158,400
| +70% | +$7.2M |
|
1257
CALL
Energy Fuels
UUUU
$3.83B
| $15.1M | ﹤0.01% |
1,043,900
-231,700
| -18% | -$4.26M |
|
1258
CALL
ProShares VIX Short-Term Futures ETF
VIXY
$209M
| $15.1M | ﹤0.01% |
+549,400
| New | +$14.4M |
|
1259
PUT
MasTec
MTZ
$19B
| $15M | ﹤0.01% |
36,100
-900
| -2% | -$344K |
|
1260
Domino's
DPZ
$11.3B
| $15M | ﹤0.01% |
50,732
+28,271
| +126% | +$9.3M |
|
1261
BP
BP
$113B
| $15M | ﹤0.01% |
406,148
+262,220
| +182% | +$11.5M |
|
1262
CALL
Flutter Entertainment
FLUT
$17.4B
| $15M | ﹤0.01% |
146,800
+54,400
| +59% | +$5.61M |
|
1263
CALL
Nutrien
NTR
$37.9B
| $15M | ﹤0.01% |
237,800
-211,900
| -47% | -$14.8M |
|
1264
PUT
MSCI
MSCI
$41.7B
| $15M | ﹤0.01% |
26,700
+12,700
| +91% | +$7.41M |
|
1265
PUT
Boston Scientific
BSX
$69.3B
| $14.9M | ﹤0.01% |
350,200
-503,900
| -59% | -$27.4M |
|
1266
CALL
Bank of Montreal
BMO
$122B
| $14.9M | ﹤0.01% |
84,400
+3,400
| +4% | +$534K |
|
1267
PUT
Lucid Motors
LCID
$1.84B
| $14.9M | ﹤0.01% |
2,226,100
+48,700
| +2% | +$314K |
|
1268
PUT
Check Point Software Technologies
CHKP
$14B
| $14.9M | ﹤0.01% |
113,200
+71,000
| +168% | +$9.23M |
|
|
VOYG
1269
CALL
Voyager Technologies
VOYG
$2.07B
| $14.9M | ﹤0.01% |
461,300
+291,700
| +172% | +$10.1M |
|
1270
CALL
abrdn Physical Silver Shares ETF
SIVR
$4.48B
| $14.8M | ﹤0.01% |
264,000
+63,200
| +31% | +$4.4M |
|
1271
CALL
Tractor Supply
TSCO
$18.2B
| $14.8M | ﹤0.01% |
468,800
+325,300
| +227% | +$11.2M |
|
1272
IonQ
IONQ
$16B
| $14.8M | ﹤0.01% |
+278,194
| New | +$14.1M |
|
1273
PUT
Regal Rexnord
RRX
$10.8B
| $14.8M | ﹤0.01% |
62,200
+11,000
| +21% | +$2.3M |
|
|
SCHW
1274
Charles Schwab
SCHW
$189B
| $14.8M | ﹤0.01% |
159,940
+69,277
| +76% | +$6.32M |
|
1275
PUT
Amprius Technologies
AMPX
$1.44B
| $14.8M | ﹤0.01% |
1,064,400
+500,600
| +89% | +$8.97M |
|
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.