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 | |
|---|---|---|---|---|---|---|
251
CALL
JD.com
JD
$40.8B
| $66.4M | 0.04% |
1,615,000
-2,437,600
| -60% | -$97.9M |
|
252
PUT
Vertiv
VRT
$112B
| $66.3M | 0.04% |
918,800
+510,500
| +125% | +$54.3M |
|
253
CALL
GE Aerospace
GE
$367B
| $65.5M | 0.04% |
327,200
-129,600
| -28% | -$25.5M |
|
254
PUT
Airbnb
ABNB
$83.7B
| $65.3M | 0.04% |
547,000
-53,100
| -9% | -$7.11M |
|
|
AXON
255
PUT
Axon Enterprise
AXON
$40.5B
| $65.2M | 0.04% |
124,000
+9,400
| +8% | +$5.5M |
|
256
CALL
Texas Instruments
TXN
$255B
| $65.2M | 0.04% |
362,900
+2,500
| +0.7% | +$468K |
|
257
PUT
Cardinal Health
CAH
$53.4B
| $65.1M | 0.04% |
472,600
+373,800
| +378% | +$47.6M |
|
258
CALL
Danaher
DHR
$135B
| $64.1M | 0.04% |
312,700
-22,000
| -7% | -$4.8M |
|
|
259
Amazon
AMZN
$2.5T
| $64M | 0.04% |
+336,493
| New | +$73M |
|
260
CALL
Twilio
TWLO
$29.1B
| $63M | 0.04% |
643,900
-126,100
| -16% | -$14.9M |
|
|
261
PUT
JD.com
JD
$40.8B
| $63M | 0.04% |
1,532,000
-129,300
| -8% | -$5.19M |
|
262
PUT
CVS Health
CVS
$137B
| $62.5M | 0.04% |
923,200
-136,100
| -13% | -$8.14M |
|
263
PUT
Marvell Technology
MRVL
$174B
| $62.5M | 0.04% |
1,015,700
+87,300
| +9% | +$8.47M |
|
264
CALL
Upstart Holdings
UPST
$2.58B
| $62.3M | 0.04% |
1,354,200
+190,100
| +16% | +$11.8M |
|
265
PUT
PepsiCo
PEP
$186B
| $62.1M | 0.04% |
414,400
-15,500
| -4% | -$2.31M |
|
266
CALL
United Rentals
URI
$71.1B
| $62.1M | 0.04% |
99,100
+1,900
| +2% | +$1.31M |
|
|
KFYP
267
PUT
DELISTED
KraneShares CICC China Leaders 100 Index ETF
KFYP
| $61.8M | 0.04% |
1,768,900
+379,100
| +27% | +$13.2M |
|
268
PUT
T-Mobile US
TMUS
$193B
| $61.4M | 0.03% |
230,300
-900
| -0.4% | -$222K |
|
|
NVO
269
CALL
Novo Nordisk
NVO
$216B
| $61.2M | 0.03% |
881,900
-413,300
| -32% | -$34.1M |
|
270
PUT
Vistra
VST
$55.1B
| $61.2M | 0.03% |
521,000
+230,800
| +80% | +$34.5M |
|
271
PUT
AutoZone
AZO
$48.3B
| $61M | 0.03% |
16,000
+6,000
| +60% | +$20.7M |
|
272
PUT
Ulta Beauty
ULTA
$20.4B
| $61M | 0.03% |
166,300
-148,100
| -47% | -$56.4M |
|
273
CALL
Okta
OKTA
$24.1B
| $60.7M | 0.03% |
576,900
+31,100
| +6% | +$3.04M |
|
274
CALL
Roku
ROKU
$21.1B
| $59.9M | 0.03% |
849,700
-218,900
| -20% | -$17.5M |
|
275
PUT
Humana
HUM
$46.7B
| $59.9M | 0.03% |
226,200
-92,600
| -29% | -$25M |
|
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.