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 |
iShares Russell 2000 ETF
IWM
|
+$302M |
| 2 |
Invesco QQQ Trust
QQQ
|
+$170M |
| 3 |
Broadcom
AVGO
|
+$164M |
| 4 |
Tesla
TSLA
|
+$158M |
| 5 |
Palantir
PLTR
|
+$109M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
iShares Bitcoin Trust
IBIT
|
+$167M |
| 2 |
Applovin
APP
|
+$126M |
| 3 |
JD.com
JD
|
+$103M |
| 4 |
Amazon
AMZN
|
+$97.8M |
| 5 |
Vanguard S&P 500 ETF
VOO
|
+$90.4M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 0.56% |
| 2 | Consumer Discretionary | 0.3% |
| 3 | Communication Services | 0.16% |
| 4 | Financials | 0.13% |
| 5 | Industrials | 0.11% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
1076
Sea Limited
SE
$69.5B
| $12.7M | ﹤0.01% |
+99,512
| New | +$14.7M |
|
1077
IQVIA
IQV
$39.3B
| $12.7M | ﹤0.01% |
+56,248
| New | +$12.2M |
|
1078
State Street SPDR S&P MIDCAP 400 ETF Trust
MDY
$27.1B
| $12.6M | ﹤0.01% |
+20,869
| New | +$12.5M |
|
1079
PUT
Kratos Defense & Security Solutions
KTOS
$11.4B
| $12.6M | ﹤0.01% |
165,800
-44,900
| -21% | -$3.68M |
|
1080
Cloudflare
NET
$107B
| $12.6M | ﹤0.01% |
+63,835
| New | +$13.5M |
|
1081
CALL
Akamai
AKAM
$15.9B
| $12.6M | ﹤0.01% |
144,100
+28,400
| +25% | +$2.34M |
|
1082
CALL
Macy's
M
$6.68B
| $12.6M | ﹤0.01% |
569,900
+14,000
| +3% | +$287K |
|
1083
CALL
Lamb Weston
LW
$7.19B
| $12.5M | ﹤0.01% |
299,300
+179,900
| +151% | +$10.6M |
|
1084
PUT
Stanley Black & Decker
SWK
$15.7B
| $12.5M | ﹤0.01% |
168,300
-31,100
| -16% | -$2.19M |
|
1085
PUT
Trane Technologies
TT
$106B
| $12.5M | ﹤0.01% |
32,100
+1,200
| +4% | +$496K |
|
|
FIG
1086
PUT
Figma
FIG
$12.4B
| $12.5M | ﹤0.01% |
+333,200
| New | +$15.1M |
|
1087
PUT
Williams Companies
WMB
$86.1B
| $12.4M | ﹤0.01% |
207,100
+90,800
| +78% | +$5.49M |
|
1088
CALL
British American Tobacco
BTI
$128B
| $12.4M | ﹤0.01% |
219,200
-168,500
| -43% | -$9.19M |
|
1089
CALL
Kraft Heinz
KHC
$30B
| $12.4M | ﹤0.01% |
511,200
+31,800
| +7% | +$791K |
|
1090
PUT
L3Harris
LHX
$53.4B
| $12.4M | ﹤0.01% |
42,200
+18,100
| +75% | +$5.23M |
|
1091
CALL
Ares Management
ARES
$30.9B
| $12.3M | ﹤0.01% |
76,400
+63,800
| +506% | +$9.94M |
|
|
SHNY
1092
PUT
DELISTED
Direxion Daily Silver Miners Index Bull 2X Shares
SHNY
| $12.3M | ﹤0.01% |
656,800
+303,000
| +86% | +$5.69M |
|
1093
PUT
HP
HPQ
$27.5B
| $12.3M | ﹤0.01% |
552,900
-77,400
| -12% | -$1.97M |
|
1094
PUT
Texas Pacific Land
TPL
$23.5B
| $12.3M | ﹤0.01% |
42,800
+5,300
| +14% | +$1.62M |
|
1095
PUT
Duke Energy
DUK
$97.3B
| $12.3M | ﹤0.01% |
104,700
+6,200
| +6% | +$757K |
|
1096
CALL
United States Natural Gas Fund
UNG
$478M
| $12.3M | ﹤0.01% |
1,000,500
+276,700
| +38% | +$3.72M |
|
1097
CALL
2x Bitcoin ETF
BITX
$909M
| $12.3M | ﹤0.01% |
441,700
+195,500
| +79% | +$7.9M |
|
1098
CALL
Edison International
EIX
$26.4B
| $12.2M | ﹤0.01% |
203,800
-6,700
| -3% | -$384K |
|
1099
CALL
BWX Technologies
BWXT
$15.6B
| $12.2M | ﹤0.01% |
70,600
+38,500
| +120% | +$7.22M |
|
1100
CALL
Applied Optoelectronics
AAOI
$11.5B
| $12.2M | ﹤0.01% |
349,400
+22,900
| +7% | +$684K |
|
Similar funds
IMC Chicago's Q4 2025 Portfolio in Review
As of Q4 2025, IMC Chicago held 4,538 positions worth $275B, up 0.14% from $275B the previous quarter. Its ten largest holdings account for 36% of the portfolio.
IMC Chicago's Q4 2025 filing shows 985 new, 1,665 increased, 1,358 reduced and 525 closed positions. Its largest new stake was Palantir: 601,853 shares worth $107M. The largest sale was iShares Bitcoin Trust, an estimated $167M.
By sector, the portfolio is most concentrated in Technology at 0.56% of assets, up from 0.33% a quarter earlier, followed by Consumer Discretionary and Communication Services.
- IMC Chicago's largest Q4 2025 buy was Palantir: 601,853 shares worth $107M.
- IMC Chicago added most to iShares Russell 2000 ETF in Q4 2025, an estimated $302M increase.
- IMC Chicago's biggest Q4 2025 reduction was iShares Bitcoin Trust, cutting an estimated $167M.
- IMC Chicago fully exited Amazon in Q4 2025, selling an estimated $97.8M.
- IMC Chicago's ten largest holdings make up 36% of its $275B portfolio in Q4 2025.
- IMC Chicago opened 985 new positions and closed 525 in Q4 2025.
- IMC Chicago's portfolio value rose 0.14% quarter-over-quarter to $275B.
Based on IMC Chicago's 13F filing for Q4 2025, filed 29 Jan 2026.