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
|
+$106M |
| 2 |
Advanced Micro Devices
AMD
|
+$81.1M |
| 3 |
Amazon
AMZN
|
+$73M |
| 4 |
TSMC
TSM
|
+$68.5M |
| 5 |
iShares Silver Trust
SLV
|
+$64.5M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
State Street SPDR S&P 500 ETF Trust
SPY
|
+$214M |
| 2 |
iShares Core S&P 500 ETF
IVV
|
+$209M |
| 3 |
Invesco NASDAQ 100 ETF
QQQM
|
+$209M |
| 4 |
Vanguard S&P 500 ETF
VOO
|
+$150M |
| 5 |
Meta Platforms (Facebook)
META
|
+$102M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 0.28% |
| 2 | Consumer Discretionary | 0.23% |
| 3 | Healthcare | 0.11% |
| 4 | Communication Services | 0.09% |
| 5 | Financials | 0.07% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
2976
PUT
Immersion
IMMR
$256M
| $255K | ﹤0.01% |
+33,700
| New | +$276K |
|
2977
PUT
FLEX LNG
FLNG
$1.65B
| $255K | ﹤0.01% |
+11,100
| New | +$265K |
|
2978
POET Technologies
POET
$1.22B
| $253K | ﹤0.01% |
+67,042
| New | +$305K |
|
|
UNIT
2979
PUT
Uniti Group
UNIT
$2.62B
| $253K | ﹤0.01% |
+50,200
| New | +$271K |
|
2980
CALL
Constellium
CSTM
$4.02B
| $252K | ﹤0.01% |
+25,000
| New | +$266K |
|
|
HWAY
2981
Themes US Infrastructure ETF
HWAY
$3.83M
| $252K | ﹤0.01% |
+10,216
| New | +$269K |
|
2982
Ouster
OUST
$2.36B
| $251K | ﹤0.01% |
28,003
-55,076
| -66% | -$543K |
|
2983
Fiverr
FVRR
$398M
| $251K | ﹤0.01% |
+10,617
| New | +$309K |
|
2984
PUT
KULR Technology Group
KULR
$122M
| $251K | ﹤0.01% |
23,738
+2,350
| +11% | +$36.7K |
|
2985
CALL
Beyond Meat
BYND
$283M
| $250K | ﹤0.01% |
82,000
-37,900
| -32% | -$140K |
|
2986
Schrodinger
SDGR
$1.14B
| $250K | ﹤0.01% |
12,664
-3,925
| -24% | -$88.3K |
|
2987
CALL
Verra Mobility
VRRM
$636M
| $250K | ﹤0.01% |
+11,100
| New | +$267K |
|
2988
CALL
AMN Healthcare
AMN
$1.3B
| $249K | ﹤0.01% |
+10,200
| New | +$262K |
|
2989
CALL
Fortrea Holdings
FTRE
$1.82B
| $249K | ﹤0.01% |
33,000
-71,600
| -68% | -$1.01M |
|
2990
CALL
Gentex
GNTX
$4.88B
| $247K | ﹤0.01% |
10,600
-4,600
| -30% | -$118K |
|
2991
CALL
B&G Foods
BGS
$291M
| $247K | ﹤0.01% |
35,900
+1,200
| +3% | +$8.01K |
|
|
CFLT
2992
DELISTED
Confluent
CFLT
| $246K | ﹤0.01% |
+10,507
| New | +$304K |
|
2993
PUT
Delek US
DK
$3.95B
| $246K | ﹤0.01% |
16,300
+4,500
| +38% | +$77.9K |
|
2994
CALL
Quantum-Si Incorporated
QSI
$171M
| $245K | ﹤0.01% |
+204,400
| New | +$392K |
|
2995
CALL
The RealReal
REAL
$1.4B
| $244K | ﹤0.01% |
45,200
-12,800
| -22% | -$97.1K |
|
2996
MBIA
MBI
$282M
| $243K | ﹤0.01% |
+48,852
| New | +$302K |
|
2997
Gogo Inc
GOGO
$540M
| $243K | ﹤0.01% |
28,205
-13,258
| -32% | -$104K |
|
2998
PUT
Olin
OLN
$2.49B
| $242K | ﹤0.01% |
10,000
-12,100
| -55% | -$340K |
|
|
CRON
2999
Cronos Group
CRON
$1.07B
| $242K | ﹤0.01% |
133,658
+3,871
| +3% | +$7.48K |
|
|
HUYA
3000
PUT
Huya Inc
HUYA
$558M
| $242K | ﹤0.01% |
+75,300
| New | +$272K |
|
Similar funds
IMC Chicago's Q1 2025 Portfolio in Review
As of Q1 2025, IMC Chicago held 3,586 positions worth $177B, down 18% from $215B the previous quarter. Its ten largest holdings account for 46% of the portfolio.
IMC Chicago withdrew a net $21.1B in Q1 2025, closing 516 positions and reducing 1,388 holdings. Its most notable exit was iShares Core S&P 500 ETF, an estimated $209M position sold in full.
By sector, the portfolio is most concentrated in Technology at 0.28% of assets, down from 0.32% a quarter earlier, followed by Consumer Discretionary and Healthcare.
Against the trend, IMC Chicago opened a new position in Amazon worth $64M.
- IMC Chicago's largest Q1 2025 buy was Amazon: 336,493 shares worth $64M.
- IMC Chicago added most to iShares Russell 2000 ETF in Q1 2025, an estimated $106M increase.
- IMC Chicago's biggest Q1 2025 reduction was State Street SPDR S&P 500 ETF Trust, cutting an estimated $214M.
- IMC Chicago fully exited iShares Core S&P 500 ETF in Q1 2025, selling an estimated $209M.
- IMC Chicago's ten largest holdings make up 46% of its $177B portfolio in Q1 2025.
- IMC Chicago opened 482 new positions and closed 516 in Q1 2025.
- IMC Chicago's portfolio value fell 18% quarter-over-quarter to $177B.
Based on IMC Chicago's 13F filing for Q1 2025, filed 14 Apr 2025.