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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
LSPD icon
3326
Lightspeed Commerce
LSPD
$1.33B
– –
-51,618
Closed -$786K
LSPD icon
3327
PUT
Lightspeed Commerce
LSPD
$1.33B
– –
-21,700
Closed -$330K
LUMN icon
3328
Lumen
LUMN
$6.56B
– –
-117,552
Closed -$586K
LUV icon
3329
Southwest Airlines
LUV
$22.5B
– –
-17,586
Closed -$557K
LX
3330
CALL
LexinFintech Holdings
LX
$247M
– –
-85,800
Closed -$498K
LZ icon
3331
CALL
LegalZoom.com
LZ
$1.25B
– –
-70,500
Closed -$529K
MAC icon
3332
Macerich
MAC
$7.44B
– –
-36,849
Closed -$705K
MAGS icon
3333
Listed Funds Trust Roundhill Magnificent Seven ETF
MAGS
$3.85B
– –
-14,919
Closed -$779K
MANU icon
3334
PUT
Manchester United
MANU
$3.95B
– –
-15,000
Closed -$260K
MAXN
3335
CALL
DELISTED
Maxeon Solar Technologies
MAXN
– –
-30,000
Closed -$226K
MBI icon
3336
CALL
MBIA
MBI
$293M
– –
-67,700
Closed -$437K
MBLY icon
3337
Mobileye
MBLY
$2.16B
– –
-231,125
Closed -$3.78M
MCO icon
3338
PUT
Moody's
MCO
$83B
– –
-14,500
Closed -$6.86M
MDB icon
3339
MongoDB
MDB
$24.5B
– –
-62,039
Closed -$15.1M
MDLZ icon
3340
Mondelez International
MDLZ
$77.9B
– –
-49,187
Closed -$3.03M
MDT icon
3341
Medtronic
MDT
$107B
– –
-81,654
Closed -$7.31M
META icon
3342
Meta Platforms (Facebook)
META
$1.53T
– –
-157,411
Closed -$102M
MITK icon
3343
CALL
Mitek Systems
MITK
$789M
– –
-24,200
Closed -$269K
MKC icon
3344
McCormick & Company Non-Voting
MKC
$13.8B
– –
-13,153
Closed -$1.03M
MRSH
3345
CALL
Marsh
MRSH
$86.9B
– –
-18,500
Closed -$3.93M
MOS icon
3346
The Mosaic Company
MOS
$7.22B
– –
-154,634
Closed -$4.09M
MP icon
3347
MP Materials
MP
$7.42B
– –
-153,906
Closed -$3.58M
MPT
3348
Medical Properties Trust
MPT
$2.89B
– –
-92,127
Closed -$466K
MRK icon
3349
Merck
MRK
$323B
– –
-18,557
Closed -$1.73M
MSFU icon
3350
Direxion Daily MSFT Bull 2X ETF
MSFU
$811M
– –
-30,973
Closed -$1.22M
132 133
134
135 136

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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.