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IMC Chicago

IMC Chicago Portfolio holdings

AUM $278B
1-Year Est. Return 44.93%
 

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.

This Fund
S&P 500
This Quarter Est. Return
-5.4%
1 Year Est. Return
+44.93%
3 Year Est. Return
+175.12%
5 Year Est. Return
+169.81%
10 Year Est. Return
–
AUM
$177B
AUM Growth
-$38B
Cap. Flow
-$21.1B
Cap. Flow %
-11.92%
Top 10 Hldgs %
45.93%
Holding
3,586
New
482
Increased
1,194
Reduced
1,388
Closed
516

Top Buys

Rank Stock Value
1
IWM icon
iShares Russell 2000 ETF
IWM
+$106M
2
AMD icon
Advanced Micro Devices
AMD
+$81.1M
3
AMZN icon
Amazon
AMZN
+$73M
4
TSM icon
TSMC
TSM
+$68.5M
5
SLV icon
iShares Silver Trust
SLV
+$64.5M

Top Sells

Rank Stock Value
1
SPY icon
State Street SPDR S&P 500 ETF Trust
SPY
+$214M
2
IVV icon
iShares Core S&P 500 ETF
IVV
+$209M
3
QQQM icon
Invesco NASDAQ 100 ETF
QQQM
+$209M
4
VOO icon
Vanguard S&P 500 ETF
VOO
+$150M
5
META icon
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
HST icon
3276
Host Hotels & Resorts
HST
$17.1B
– –
-17,431
Closed -$283K
HSY icon
3277
Hershey
HSY
$36.4B
– –
-23,240
Closed -$3.8M
HUN icon
3278
Huntsman Corp
HUN
$2.13B
– –
-18,937
Closed -$322K
HYLN icon
3279
CALL
Hyliion Holdings
HYLN
$647M
– –
-92,300
Closed -$241K
PPLI
3280
People Inc
PPLI
$3.14B
– –
-74,595
Closed -$2.72M
IBIT icon
3281
iShares Bitcoin Trust
IBIT
$47.9B
– –
-1,433,002
Closed -$75.9M
IBM icon
3282
IBM
IBM
$205B
– –
-27,778
Closed -$6.79M
IDCC icon
3283
PUT
InterDigital
IDCC
$6.59B
– –
-10,500
Closed -$2.03M
IEP icon
3284
CALL
Icahn Enterprises
IEP
$5.14B
– –
-36,600
Closed -$317K
IEP icon
3285
Icahn Enterprises
IEP
$5.14B
– –
-77,554
Closed -$672K
IEP icon
3286
PUT
Icahn Enterprises
IEP
$5.14B
– –
-88,200
Closed -$765K
IESC icon
3287
PUT
IES Holdings
IESC
$12B
– –
-14,600
Closed -$2.93M
IFF icon
3288
International Flavors & Fragrances
IFF
$19.7B
– –
-13,953
Closed -$1.15M
IJR icon
3289
iShares Core S&P Small-Cap ETF
IJR
$109B
– –
-27,579
Closed -$3.18M
IMMR icon
3290
CALL
Immersion
IMMR
$243M
– –
-23,600
Closed -$206K
INDI icon
3291
indie Semiconductor
INDI
$697M
– –
-85,381
Closed -$297K
INDI icon
3292
PUT
indie Semiconductor
INDI
$697M
– –
-57,900
Closed -$234K
INFY icon
3293
Infosys
INFY
$46.3B
– –
-23,057
Closed -$479K
INSP icon
3294
CALL
Inspire Medical Systems
INSP
$1.45B
– –
-12,400
Closed -$2.3M
INSP icon
3295
PUT
Inspire Medical Systems
INSP
$1.45B
– –
-13,100
Closed -$2.43M
INVH icon
3296
PUT
Invitation Homes
INVH
$17.7B
– –
-10,400
Closed -$332K
IPG
3297
PUT
DELISTED
Interpublic Group of Companies
IPG
– –
-25,800
Closed -$723K
IQV icon
3298
CALL
IQVIA
IQV
$35.2B
– –
-11,200
Closed -$2.2M
IRDM icon
3299
PUT
Iridium Communications
IRDM
$4.84B
– –
-10,300
Closed -$299K
IRM icon
3300
Iron Mountain
IRM
$37.5B
– –
-10,973
Closed -$1.06M
130 131
132
133 134

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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.