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
2726
CALL
DELISTED
AWTM Ultra-Short Duration Enhanced Income ETF
AWTM
| $1.39M | ﹤0.01% |
+56,000
| New | +$1.39M |
|
2727
CALL
Clover Health Investments
CLOV
$2.36B
| $1.38M | ﹤0.01% |
588,700
+99,900
| +20% | +$273K |
|
2728
PUT
Pitney Bowes
PBI
$2.28B
| $1.38M | ﹤0.01% |
130,300
-50,500
| -28% | -$524K |
|
2729
Western Union
WU
$2.19B
| $1.38M | ﹤0.01% |
147,784
+13,972
| +10% | +$123K |
|
2730
CALL
LegalZoom.com
LZ
$949M
| $1.37M | ﹤0.01% |
138,400
+65,400
| +90% | +$648K |
|
2731
PUT
TG Therapeutics
TGTX
$7.66B
| $1.37M | ﹤0.01% |
46,100
-6,200
| -12% | -$202K |
|
2732
CALL
Honda
HMC
$41.1B
| $1.37M | ﹤0.01% |
46,600
+18,000
| +63% | +$546K |
|
2733
Guardant Health
GH
$22.2B
| $1.37M | ﹤0.01% |
+13,428
| New | +$1.2M |
|
2734
D-Wave Quantum Inc. Common Stock
QBTS
$7.47B
| $1.37M | ﹤0.01% |
52,430
-39,696
| -43% | -$1.16M |
|
2735
CALL
KBR
KBR
$4.78B
| $1.37M | ﹤0.01% |
34,100
+5,100
| +18% | +$219K |
|
2736
PUT
Viatris
VTRS
$18.7B
| $1.37M | ﹤0.01% |
110,100
+34,200
| +45% | +$369K |
|
2737
CALL
NextDecade
NEXT
$1.79B
| $1.37M | ﹤0.01% |
259,900
+169,200
| +187% | +$1.01M |
|
2738
PUT
TransUnion
TRU
$15.4B
| $1.36M | ﹤0.01% |
+15,900
| New | +$1.31M |
|
2739
CALL
Hess Midstream
HESM
$5.24B
| $1.36M | ﹤0.01% |
39,500
+26,400
| +202% | +$888K |
|
|
MAYM
2740
FT Vest U.S. Equity Max Buffer ETF - May
MAYM
$39M
| $1.36M | ﹤0.01% |
+42,309
| New | +$1.35M |
|
2741
Booz Allen Hamilton
BAH
$9.43B
| $1.36M | ﹤0.01% |
16,127
+988
| +7% | +$88.4K |
|
2742
PUT
Organon & Co
OGN
$3.58B
| $1.36M | ﹤0.01% |
189,300
+93,800
| +98% | +$741K |
|
2743
Fiverr
FVRR
$318M
| $1.36M | ﹤0.01% |
68,617
+25,245
| +58% | +$544K |
|
|
SERV
2744
Serve Robotics
SERV
$424M
| $1.36M | ﹤0.01% |
130,571
+44,601
| +52% | +$536K |
|
2745
Zions Bancorporation
ZION
$10.4B
| $1.36M | ﹤0.01% |
+23,151
| New | +$1.26M |
|
2746
PUT
Vanguard Global ex-US Real Estate ETF
VNQI
$3.51B
| $1.35M | ﹤0.01% |
+25,200
| New | +$1.19M |
|
2747
PUT
Lamar Advertising Co
LAMR
$15.7B
| $1.35M | ﹤0.01% |
10,700
-8,900
| -45% | -$1.11M |
|
2748
CALL
Sarepta Therapeutics
SRPT
$1.88B
| $1.35M | ﹤0.01% |
62,900
-25,400
| -29% | -$535K |
|
2749
PUT
Vanguard World Funds Extended Duration ETF
EDV
$3.47B
| $1.35M | ﹤0.01% |
20,800
-6,600
| -24% | -$449K |
|
2750
Equity Residential
EQR
$24.6B
| $1.35M | ﹤0.01% |
+21,447
| New | +$1.32M |
|
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.