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 | |
|---|---|---|---|---|---|---|
2626
CALL
NCR Atleos
NATL
$3.47B
| $520K | ﹤0.01% |
19,700
+4,000
| +25% | +$119K |
|
2627
CALL
Bausch Health
BHC
$1.69B
| $519K | ﹤0.01% |
80,200
-19,000
| -19% | -$137K |
|
|
HAPN
2628
CALL
Happen Inc
HAPN
$2.19B
| $518K | ﹤0.01% |
50,200
-39,200
| -44% | -$526K |
|
2629
PUT
Ouster
OUST
$2.28B
| $517K | ﹤0.01% |
57,600
-24,100
| -29% | -$238K |
|
|
INTW
2630
GraniteShares 2x Long INTC Daily ETF
INTW
$295M
| $517K | ﹤0.01% |
+178,600
| New | +$571K |
|
2631
PagSeguro Digital
PAGS
$2.69B
| $516K | ﹤0.01% |
67,586
-190,513
| -74% | -$1.42M |
|
2632
CALL
Target Hospitality
TH
$1.47B
| $515K | ﹤0.01% |
78,300
-90,300
| -54% | -$725K |
|
2633
CALL
Alphatec Holdings
ATEC
$1.43B
| $515K | ﹤0.01% |
+50,800
| New | +$545K |
|
2634
CALL
MINISO
MNSO
$3.73B
| $514K | ﹤0.01% |
27,800
-21,400
| -43% | -$467K |
|
2635
PUT
NETGEAR
NTGR
$663M
| $511K | ﹤0.01% |
20,900
+5,200
| +33% | +$137K |
|
2636
CALL
Caleres
CAL
$447M
| $510K | ﹤0.01% |
+29,600
| New | +$532K |
|
2637
CALL
ProShares Ultra Bitcoin ETF
BITU
$350M
| $509K | ﹤0.01% |
15,300
+3,700
| +32% | +$172K |
|
2638
CALL
ProShares UltraShort Real Estate
SRS
$14.7M
| $508K | ﹤0.01% |
+10,500
| New | +$523K |
|
|
UBRL
2639
GraniteShares 2x Long UBER Daily ETF
UBRL
$18.8M
| $508K | ﹤0.01% |
23,082
+10,056
| +77% | +$223K |
|
2640
PUT
Opendoor
OPEN
$3.8B
| $507K | ﹤0.01% |
514,083
-77,707
| -13% | -$102K |
|
|
SAND
2641
CALL
DELISTED
Sandstorm Gold
SAND
| $507K | ﹤0.01% |
67,200
-4,200
| -6% | -$26.2K |
|
2642
CALL
IAMGOLD
IAG
$8.24B
| $506K | ﹤0.01% |
81,000
-17,200
| -18% | -$102K |
|
2643
Coty
COTY
$2.45B
| $506K | ﹤0.01% |
+92,482
| New | +$579K |
|
2644
Ambarella
AMBA
$3.03B
| $506K | ﹤0.01% |
+10,046
| New | +$688K |
|
2645
Tower Semiconductor
TSEM
$22.9B
| $505K | ﹤0.01% |
+14,168
| New | +$640K |
|
|
LX
2646
PUT
LexinFintech Holdings
LX
$239M
| $505K | ﹤0.01% |
+50,000
| New | +$419K |
|
2647
GraniteShares 2x Long MSFT Daily ETF
MSFL
$124M
| $504K | ﹤0.01% |
28,276
+11,155
| +65% | +$239K |
|
|
HOOX
2648
Defiance Daily Target 2X Long HOOD ETF
HOOX
$12.2M
| $503K | ﹤0.01% |
+31,885
| New | +$579K |
|
|
ZVOL
2649
CALL
Volatility Premium Plus ETF
ZVOL
$14.8M
| $502K | ﹤0.01% |
+273,700
| New | +$4.86M |
|
|
OPRA
2650
CALL
Opera Ltd
OPRA
$1.71B
| $501K | ﹤0.01% |
31,400
+3,000
| +11% | +$55.5K |
|
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.