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 | |
|---|---|---|---|---|---|---|
1626
CALL
Harley-Davidson
HOG
$2.61B
| $2.64M | ﹤0.01% |
104,500
+40,900
| +64% | +$1.09M |
|
1627
Invesco Zacks Mid-Cap ETF
CZA
$191M
| $2.63M | ﹤0.01% |
25,289
+7,343
| +41% | +$775K |
|
1628
PUT
Carpenter Technology
CRS
$26.4B
| $2.63M | ﹤0.01% |
14,500
-5,500
| -28% | -$1.06M |
|
|
GTM
1629
CALL
ZoomInfo Technologies
GTM
$1.03B
| $2.63M | ﹤0.01% |
262,500
+2,100
| +0.8% | +$22K |
|
1630
Sprott Physical Gold
PHYS
$14.6B
| $2.61M | ﹤0.01% |
108,632
-1,917,131
| -95% | -$42.5M |
|
1631
CALL
Incyte
INCY
$25.4B
| $2.6M | ﹤0.01% |
+43,000
| New | +$3M |
|
1632
PUT
Dave & Buster's
PLAY
$357M
| $2.6M | ﹤0.01% |
148,100
-13,700
| -8% | -$324K |
|
1633
CALL
Thor Industries
THO
$4.06B
| $2.6M | ﹤0.01% |
34,300
+14,600
| +74% | +$1.37M |
|
1634
PUT
Dover
DOV
$26.7B
| $2.6M | ﹤0.01% |
14,800
+3,200
| +28% | +$615K |
|
1635
PUT
PureCycle Technologies
PCT
$1.19B
| $2.59M | ﹤0.01% |
374,400
+305,300
| +442% | +$2.74M |
|
1636
Dick's Sporting Goods
DKS
$18.4B
| $2.59M | ﹤0.01% |
+12,848
| New | +$2.87M |
|
1637
Direxion Daily NVDA Bear 1X ETF
NVDD
$21.2M
| $2.59M | ﹤0.01% |
35,516
+25,582
| +258% | +$1.68M |
|
1638
CALL
TripAdvisor
TRIP
$1.7B
| $2.59M | ﹤0.01% |
182,500
+92,200
| +102% | +$1.44M |
|
1639
PUT
Valaris
VAL
$5.14B
| $2.58M | ﹤0.01% |
65,800
-46,800
| -42% | -$2.01M |
|
1640
Bilibili
BILI
$7.75B
| $2.58M | ﹤0.01% |
135,015
+78,466
| +139% | +$1.51M |
|
1641
PUT
Oscar Health
OSCR
$9.22B
| $2.58M | ﹤0.01% |
196,700
+68,600
| +54% | +$1.02M |
|
1642
PUT
American Eagle Outfitters
AEO
$2.94B
| $2.57M | ﹤0.01% |
221,600
+33,600
| +18% | +$480K |
|
1643
PUT
Maplebear
CART
$10.7B
| $2.57M | ﹤0.01% |
64,500
-121,000
| -65% | -$5.37M |
|
1644
CALL
Comstock Resources
CRK
$3.7B
| $2.57M | ﹤0.01% |
126,200
-113,900
| -47% | -$2.18M |
|
1645
CALL
Republic Services
RSG
$67.4B
| $2.57M | ﹤0.01% |
+10,600
| New | +$2.38M |
|
1646
ProShares UltraPro Russell2000
URTY
$314M
| $2.56M | ﹤0.01% |
74,701
+20,468
| +38% | +$937K |
|
|
RDFN
1647
DELISTED
Redfin
RDFN
| $2.56M | ﹤0.01% |
278,225
+12,182
| +5% | +$104K |
|
1648
CALL
Northern Trust
NTRS
$21.8B
| $2.56M | ﹤0.01% |
25,900
-2,900
| -10% | -$308K |
|
1649
PUT
JetBlue
JBLU
$2.13B
| $2.55M | ﹤0.01% |
530,000
+86,500
| +20% | +$568K |
|
1650
PUT
Kohl's
KSS
$2.16B
| $2.55M | ﹤0.01% |
311,200
+138,000
| +80% | +$1.6M |
|
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.