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 | |
|---|---|---|---|---|---|---|
|
AWTM
3201
PUT
DELISTED
AWTM Ultra-Short Duration Enhanced Income ETF
AWTM
| $743K | ﹤0.01% |
+30,000
| New | +$743K |
|
3202
CALL
Pilgrim's Pride
PPC
$6.37B
| $741K | ﹤0.01% |
19,000
+4,000
| +27% | +$154K |
|
3203
Marqeta
MQ
$1.65B
| $740K | ﹤0.01% |
38,958
+14,147
| +57% | +$272K |
|
3204
CALL
Red Rock Resorts
RRR
$3.59B
| $737K | ﹤0.01% |
11,900
+1,400
| +13% | +$81.9K |
|
|
XRPT
3205
Volatility Shares Trust XRP 2X ETF
XRPT
$46M
| $737K | ﹤0.01% |
+7,475
| New | +$1.34M |
|
|
ACLX
3206
CALL
DELISTED
Arcellx
ACLX
| $737K | ﹤0.01% |
+11,300
| New | +$901K |
|
|
BETA
3207
CALL
Beta Technologies Inc
BETA
$5.57B
| $736K | ﹤0.01% |
+26,100
| New | +$779K |
|
3208
iShares Global Clean Energy ETF
ICLN
$2.08B
| $736K | ﹤0.01% |
+44,810
| New | +$747K |
|
3209
CALL
Coursera
COUR
$1.53B
| $736K | ﹤0.01% |
100,000
+38,600
| +63% | +$336K |
|
|
AEVA
3210
PUT
Aeva Technologies
AEVA
$1.67B
| $736K | ﹤0.01% |
55,400
+14,600
| +36% | +$208K |
|
3211
PUT
Yelp
YELP
$1.35B
| $732K | ﹤0.01% |
24,100
-10,700
| -31% | -$330K |
|
3212
CALL
Evergy
EVRG
$19B
| $732K | ﹤0.01% |
10,100
-300
| -3% | -$22.8K |
|
3213
PUT
Americold
COLD
$4.17B
| $732K | ﹤0.01% |
+56,900
| New | +$697K |
|
|
HIVE
3214
PUT
HIVE Digital Technologies
HIVE
$725M
| $731K | ﹤0.01% |
283,500
-123,000
| -30% | -$520K |
|
3215
CALL
One Stop Systems
OSS
$327M
| $730K | ﹤0.01% |
+101,700
| New | +$601K |
|
3216
PACS Group
PACS
$7.78B
| $730K | ﹤0.01% |
19,012
-22,240
| -54% | -$488K |
|
3217
PUT
ZTO Express
ZTO
$18.1B
| $729K | ﹤0.01% |
34,900
+4,800
| +16% | +$95K |
|
3218
CALL
WillScot Mobile Mini Holdings
WSC
$4.31B
| $729K | ﹤0.01% |
38,700
-112,200
| -74% | -$2.26M |
|
|
GRNY
3219
FundStrat Granny Shots US Large Cap ETF
GRNY
$4.44B
| $729K | ﹤0.01% |
+29,426
| New | +$739K |
|
3220
PUT
Antero Midstream
AM
$10.3B
| $728K | ﹤0.01% |
40,900
-6,400
| -14% | -$115K |
|
3221
CALL
AllianceBernstein
AB
$3.47B
| $727K | ﹤0.01% |
18,900
+4,500
| +31% | +$178K |
|
|
NTSK
3222
PUT
Netskope Inc
NTSK
$6.33B
| $726K | ﹤0.01% |
+41,400
| New | +$864K |
|
3223
Tiptree Inc
TIPT
$679M
| $726K | ﹤0.01% |
39,739
+21,282
| +115% | +$388K |
|
3224
CALL
Senseonics Holdings Inc
SENS
$400M
| $726K | ﹤0.01% |
+131,500
| New | +$915K |
|
|
VNET
3225
PUT
VNET Group
VNET
$2.12B
| $725K | ﹤0.01% |
85,700
-34,800
| -29% | -$322K |
|
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.