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 | |
|---|---|---|---|---|---|---|
2201
CALL
BorgWarner
BWA
$12.8B
| $1.13M | ﹤0.01% |
39,300
-3,700
| -9% | -$112K |
|
2202
Sunrun
RUN
$2.26B
| $1.12M | ﹤0.01% |
191,941
-80,487
| -30% | -$663K |
|
2203
ARK 21Shares Bitcoin ETF
ARKB
$2.42B
| $1.12M | ﹤0.01% |
+40,860
| New | +$1.27M |
|
2204
PUT
Bumble
BMBL
$387M
| $1.12M | ﹤0.01% |
257,700
-236,600
| -48% | -$1.54M |
|
|
GRAL
2205
CALL
GRAIL Inc
GRAL
$2.72B
| $1.12M | ﹤0.01% |
43,700
+18,700
| +75% | +$578K |
|
2206
CALL
Aurora
AUR
$11.7B
| $1.11M | ﹤0.01% |
165,700
-91,700
| -36% | -$656K |
|
2207
VanEck Pharmaceutical ETF
PPH
$985M
| $1.11M | ﹤0.01% |
12,204
+1,821
| +18% | +$164K |
|
2208
CALL
Corebridge Financial
CRBG
$14.3B
| $1.11M | ﹤0.01% |
35,100
+1,100
| +3% | +$35.6K |
|
2209
NetApp
NTAP
$34B
| $1.11M | ﹤0.01% |
+12,594
| New | +$1.39M |
|
2210
ICICI Bank
IBN
$107B
| $1.11M | ﹤0.01% |
35,095
+6,846
| +24% | +$199K |
|
2211
Teva Pharmaceuticals
TEVA
$40.4B
| $1.11M | ﹤0.01% |
+71,956
| New | +$1.29M |
|
2212
VF Corp
VFC
$5.92B
| $1.11M | ﹤0.01% |
+71,250
| New | +$1.58M |
|
2213
PUT
Melco Resorts & Entertainment
MLCO
$2.21B
| $1.1M | ﹤0.01% |
209,100
-27,800
| -12% | -$157K |
|
2214
CALL
InMode
INMD
$871M
| $1.1M | ﹤0.01% |
62,100
-85,900
| -58% | -$1.55M |
|
2215
CALL
Grindr
GRND
$3.06B
| $1.1M | ﹤0.01% |
61,500
+4,400
| +8% | +$77.2K |
|
2216
PUT
Zillow
ZG
$7.85B
| $1.1M | ﹤0.01% |
16,400
-200
| -1% | -$14.8K |
|
2217
FIVE9
FIVN
$2.08B
| $1.1M | ﹤0.01% |
+40,350
| New | +$1.48M |
|
2218
PUT
BWX Technologies
BWXT
$14.4B
| $1.1M | ﹤0.01% |
+11,100
| New | +$1.2M |
|
2219
PUT
CoreCivic
CXW
$2.94B
| $1.09M | ﹤0.01% |
53,700
-68,600
| -56% | -$1.38M |
|
2220
T-Rex 2X Inverse NVIDIA Daily Target ETF
NVDQ
$24.3M
| $1.09M | ﹤0.01% |
+14,458
| New | +$924K |
|
|
SEE
2221
PUT
DELISTED
Sealed Air
SEE
| $1.09M | ﹤0.01% |
+37,600
| New | +$1.23M |
|
2222
PUT
American Superconductor
AMSC
$1.29B
| $1.09M | ﹤0.01% |
59,900
-37,100
| -38% | -$925K |
|
2223
PUT
Lear
LEA
$7.39B
| $1.09M | ﹤0.01% |
12,300
+400
| +3% | +$38K |
|
2224
CALL
Herbalife
HLF
$1.3B
| $1.08M | ﹤0.01% |
125,700
+24,300
| +24% | +$173K |
|
2225
PUT
First Horizon
FHN
$12.2B
| $1.08M | ﹤0.01% |
55,800
-41,900
| -43% | -$862K |
|
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.