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 | |
|---|---|---|---|---|---|---|
1276
PUT
Tractor Supply
TSCO
$18.2B
| $14.7M | ﹤0.01% |
466,300
+334,800
| +255% | +$11.6M |
|
1277
CALL
Amprius Technologies
AMPX
$1.44B
| $14.7M | ﹤0.01% |
1,062,300
+254,700
| +32% | +$4.56M |
|
1278
PUT
Duke Energy
DUK
$93.7B
| $14.7M | ﹤0.01% |
116,100
+19,400
| +20% | +$2.45M |
|
|
FIG
1279
CALL
Figma
FIG
$12.9B
| $14.7M | ﹤0.01% |
810,300
-82,600
| -9% | -$1.66M |
|
1280
CALL
ClearShares Piton Intermediate Fixed Income ETF
PIFI
$97.5M
| $14.6M | ﹤0.01% |
314,100
+110,000
| +54% | +$10.4M |
|
1281
PUT
Emcor
EME
$33.3B
| $14.6M | ﹤0.01% |
17,600
-800
| -4% | -$677K |
|
1282
CALL
SharkNinja
SN
$24.4B
| $14.6M | ﹤0.01% |
95,900
+30,500
| +47% | +$3.65M |
|
1283
CALL
IES Holdings
IESC
$12.9B
| $14.5M | ﹤0.01% |
39,600
+7,600
| +24% | +$2.45M |
|
1284
PUT
Bitdeer Technologies
BTDR
$3.36B
| $14.5M | ﹤0.01% |
916,300
+630,200
| +220% | +$9.05M |
|
|
PPLC
1285
PUT
DELISTED
PortfolioPlus S&P 500 ETF
PPLC
| $14.5M | ﹤0.01% |
276,700
-7,000
| -2% | -$368K |
|
1286
PUT
EQT Corp
EQT
$34.5B
| $14.5M | ﹤0.01% |
273,000
-116,400
| -30% | -$6.53M |
|
1287
PUT
Welltower
WELL
$170B
| $14.5M | ﹤0.01% |
63,900
-4,500
| -7% | -$951K |
|
1288
CALL
Ecolab
ECL
$78.3B
| $14.5M | ﹤0.01% |
52,000
+27,800
| +115% | +$7.32M |
|
1289
Viavi Solutions
VIAV
$8.6B
| $14.5M | ﹤0.01% |
+303,031
| New | +$14.5M |
|
|
SEZL
1290
PUT
Sezzle
SEZL
$4.06B
| $14.5M | ﹤0.01% |
84,300
+19,700
| +30% | +$2.08M |
|
1291
PUT
D.R. Horton
DHI
$39.9B
| $14.4M | ﹤0.01% |
88,700
-60,300
| -40% | -$9M |
|
|
ECHO
1292
EchoStar
ECHO
$26.1B
| $14.4M | ﹤0.01% |
141,901
+89,495
| +171% | +$10.9M |
|
1293
Blackrock
BLK
$174B
| $14.4M | ﹤0.01% |
14,965
+10,773
| +257% | +$11.1M |
|
1294
PUT
TTM Technologies
TTMI
$13.2B
| $14.4M | ﹤0.01% |
76,900
-38,300
| -33% | -$6.18M |
|
1295
CALL
Zoetis
ZTS
$31.3B
| $14.4M | ﹤0.01% |
200,100
+88,300
| +79% | +$8.31M |
|
1296
XPeng
XPEV
$10.5B
| $14.4M | ﹤0.01% |
1,085,529
+594,784
| +121% | +$9.43M |
|
1297
CALL
Dycom Industries
DY
$9.06B
| $14.4M | ﹤0.01% |
28,400
+3,100
| +12% | +$1.35M |
|
1298
CALL
Pultegroup
PHM
$23.7B
| $14.4M | ﹤0.01% |
104,600
+16,600
| +19% | +$2.02M |
|
1299
MP Materials
MP
$9.71B
| $14.3M | ﹤0.01% |
255,516
+146,520
| +134% | +$8.92M |
|
1300
CALL
Bunge Global
BG
$22.8B
| $14.2M | ﹤0.01% |
133,500
-2,100
| -2% | -$258K |
|
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.