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 | |
|---|---|---|---|---|---|---|
2926
Direxion Daily AMZN Bull 2X ETF
AMZU
$268M
| $302K | ﹤0.01% |
10,083
-38,350
| -79% | -$1.55M |
|
2927
Aspen Aerogels
ASPN
$364M
| $301K | ﹤0.01% |
47,140
-74,527
| -61% | -$719K |
|
|
MFA
2928
PUT
MFA Financial
MFA
$935M
| $301K | ﹤0.01% |
+29,300
| New | +$307K |
|
2929
CALL
Philips
PHG
$24.8B
| $300K | ﹤0.01% |
+12,756
| New | +$312K |
|
2930
PUT
TORM
TRMD
$3.05B
| $298K | ﹤0.01% |
18,100
+1,100
| +6% | +$21.3K |
|
2931
PUT
Sonos
SONO
$2B
| $298K | ﹤0.01% |
27,900
-54,400
| -66% | -$715K |
|
2932
CALL
Dana Inc
DAN
$2.95B
| $297K | ﹤0.01% |
+22,300
| New | +$321K |
|
|
NGD
2933
CALL
DELISTED
New Gold Inc
NGD
| $297K | ﹤0.01% |
+80,100
| New | +$237K |
|
2934
PUT
RUM Group Inc
RUM
$1.66B
| $296K | ﹤0.01% |
41,900
-108,400
| -72% | -$1.13M |
|
2935
CALL
POET Technologies
POET
$1.17B
| $296K | ﹤0.01% |
78,300
-235,900
| -75% | -$1.07M |
|
2936
PUT
Rayonier Advanced Materials
RYAM
$591M
| $296K | ﹤0.01% |
+51,400
| New | +$361K |
|
2937
CALL
Warby Parker
WRBY
$3.19B
| $295K | ﹤0.01% |
16,200
-3,500
| -18% | -$83.5K |
|
|
GOGL
2938
PUT
DELISTED
Golden Ocean Group
GOGL
| $295K | ﹤0.01% |
+37,000
| New | +$329K |
|
2939
PUT
Rush Street Interactive
RSI
$3.16B
| $293K | ﹤0.01% |
+27,300
| New | +$359K |
|
2940
PUT
Shoals Technologies Group
SHLS
$1.43B
| $292K | ﹤0.01% |
87,900
-9,000
| -9% | -$37.4K |
|
2941
CALL
Delek US
DK
$3.85B
| $291K | ﹤0.01% |
+19,300
| New | +$334K |
|
2942
McEwen Inc
MUX
$1.03B
| $290K | ﹤0.01% |
38,435
-2,782
| -7% | -$21.7K |
|
2943
CALL
Phreesia
PHR
$671M
| $289K | ﹤0.01% |
11,300
-400
| -3% | -$10.9K |
|
2944
GoodRx Holdings
GDRX
$1.06B
| $288K | ﹤0.01% |
65,286
-29
| -0% | -$136 |
|
2945
PUT
Tilray
TLRY
$498M
| $287K | ﹤0.01% |
43,650
-6,750
| -13% | -$62.5K |
|
2946
PUT
Alliance Resource Partners
ARLP
$3.33B
| $286K | ﹤0.01% |
10,500
-12,300
| -54% | -$329K |
|
|
MOMO
2947
CALL
Hello Group
MOMO
$869M
| $286K | ﹤0.01% |
45,300
-19,900
| -31% | -$144K |
|
2948
PUT
Kanzhun
BZ
$7.07B
| $286K | ﹤0.01% |
14,900
-1,700
| -10% | -$27.7K |
|
2949
CALL
MidCap Financial Investment
MFIC
$811M
| $285K | ﹤0.01% |
+22,200
| New | +$302K |
|
2950
Novavax
NVAX
$1.21B
| $285K | ﹤0.01% |
+44,464
| New | +$368K |
|
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.