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 | |
|---|---|---|---|---|---|---|
1801
PUT
Enovix
ENVX
$803M
| $2M | ﹤0.01% |
310,971
-116,000
| -27% | -$1.03M |
|
1802
ON Semiconductor
ON
$30.7B
| $1.99M | ﹤0.01% |
49,003
-20,336
| -29% | -$1.02M |
|
1803
CALL
GeneDx Holdings
WGS
$1.89B
| $1.99M | ﹤0.01% |
22,500
+12,300
| +121% | +$1.07M |
|
1804
PUT
Alamos Gold
AGI
$12B
| $1.98M | ﹤0.01% |
74,100
-59,500
| -45% | -$1.34M |
|
1805
The GEO Group
GEO
$4B
| $1.98M | ﹤0.01% |
67,619
+42,776
| +172% | +$1.23M |
|
|
BTC
1806
PUT
Grayscale Bitcoin Mini Trust ETF
BTC
$3.36B
| $1.97M | ﹤0.01% |
54,100
+31,500
| +139% | +$1.3M |
|
1807
CALL
Nextpower Inc
NXT
$14.1B
| $1.97M | ﹤0.01% |
46,700
-1,300
| -3% | -$57.8K |
|
1808
PUT
Axos Financial
AX
$5.58B
| $1.96M | ﹤0.01% |
30,400
-18,000
| -37% | -$1.22M |
|
1809
ProShares UltraShort Russell2000
TWM
$45M
| $1.96M | ﹤0.01% |
36,358
+3,678
| +11% | +$171K |
|
1810
PUT
Tidewater
TDW
$3.63B
| $1.96M | ﹤0.01% |
46,300
+13,300
| +40% | +$661K |
|
1811
PUT
New Fortress Energy
NFE
$92.9M
| $1.96M | ﹤0.01% |
235,500
+97,800
| +71% | +$1.2M |
|
1812
PUT
Tencent Music
TME
$15.9B
| $1.96M | ﹤0.01% |
135,800
-93,300
| -41% | -$1.16M |
|
1813
CALL
Scotiabank
BNS
$105B
| $1.94M | ﹤0.01% |
41,000
+19,000
| +86% | +$953K |
|
|
1814
PUT
Nextpower Inc
NXT
$14.1B
| $1.94M | ﹤0.01% |
46,100
-20,100
| -30% | -$894K |
|
1815
iShares iBoxx $ High Yield Corporate Bond ETF
HYG
$15.9B
| $1.94M | ﹤0.01% |
24,530
-205,008
| -89% | -$16.3M |
|
1816
Direxion Daily Small Cap Bear 3x ETF
TZA
$257M
| $1.93M | ﹤0.01% |
11,350
-30,999
| -73% | -$4.29M |
|
1817
CALL
Viking Holdings
VIK
$45.8B
| $1.93M | ﹤0.01% |
48,600
-23,700
| -33% | -$1.09M |
|
1818
PUT
Exelon
EXC
$48.1B
| $1.93M | ﹤0.01% |
41,900
-36,800
| -47% | -$1.54M |
|
1819
AST SpaceMobile
ASTS
$15.8B
| $1.93M | ﹤0.01% |
84,817
+34,860
| +70% | +$892K |
|
1820
PUT
Eos Energy Enterprises
EOSE
$1.14B
| $1.93M | ﹤0.01% |
509,400
+204,100
| +67% | +$995K |
|
1821
PUT
Bitwise Bitcoin ETF
BITB
$2.44B
| $1.93M | ﹤0.01% |
42,900
+22,800
| +113% | +$1.16M |
|
1822
CALL
MicroSectors FANG+ ETNs due Jan 8 2038
FNGS
$532M
| $1.92M | ﹤0.01% |
38,600
+2,000
| +5% | +$113K |
|
1823
PUT
Thor Industries
THO
$4.06B
| $1.92M | ﹤0.01% |
25,300
+6,000
| +31% | +$564K |
|
1824
CALL
Joby Aviation
JOBY
$6.54B
| $1.91M | ﹤0.01% |
318,000
-442,300
| -58% | -$3.31M |
|
1825
CALL
Advanced Drainage Systems
WMS
$10.6B
| $1.91M | ﹤0.01% |
+17,600
| New | +$2.05M |
|
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.