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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
SLB icon
3451
SLB Ltd
SLB
$76.5B
– –
-97,394
Closed -$3.99M
SLG icon
3452
SL Green Realty
SLG
$3.83B
– –
-21,108
Closed -$1.33M
SMLR
3453
DELISTED
Semler Scientific
SMLR
– –
-11,364
Closed -$532K
SNY icon
3454
Sanofi
SNY
$105B
– –
-19,652
Closed -$1.06M
SO icon
3455
Southern Company
SO
$109B
– –
-34,371
Closed -$2.98M
SPCE icon
3456
Virgin Galactic
SPCE
$325M
– –
-59,662
Closed -$262K
SPIR icon
3457
CALL
Spire Global
SPIR
$432M
– –
-15,700
Closed -$221K
SPPP
3458
Sprott Physical Platinum and Palladium Trust
SPPP
$577M
– –
-191,412
Closed -$1.7M
SPR
3459
CALL
DELISTED
Spirit AeroSystems
SPR
– –
-55,100
Closed -$1.88M
SPXU icon
3460
ProShares UltraPro Short S&P 500
SPXU
$419M
– –
-52,621
Closed -$4.74M
SPYG icon
3461
State Street SPDR Portfolio S&P 500 Growth ETF
SPYG
$50.6B
– –
-22,249
Closed -$1.96M
SPYV icon
3462
State Street SPDR Portfolio S&P 500 Value ETF
SPYV
$36.2B
– –
-12,665
Closed -$648K
SRAD icon
3463
Sportradar
SRAD
$4.34B
– –
-20,394
Closed -$425K
SRG
3464
Seritage Growth Properties
SRG
$133M
– –
-89,787
Closed -$329K
SRG
3465
PUT
Seritage Growth Properties
SRG
$133M
– –
-60,200
Closed -$248K
SRS icon
3466
ProShares UltraShort Real Estate
SRS
$14.8M
– –
-14,764
Closed -$735K
SSRM icon
3467
SSR Mining
SSRM
$5.45B
– –
-115,747
Closed -$1.07M
SSTK icon
3468
CALL
Shutterstock
SSTK
$216M
– –
-16,800
Closed -$510K
STNG icon
3469
Scorpio Tankers
STNG
$3.9B
– –
-32,366
Closed -$1.45M
STNE icon
3470
StoneCo
STNE
$2.65B
– –
-435,786
Closed -$4.11M
STT icon
3471
State Street
STT
$50.7B
– –
-22,550
Closed -$2.15M
SVXY icon
3472
ProShares Short VIX Short-Term Futures ETF
SVXY
$223M
– –
-168,913
Closed -$8.46M
SWBI icon
3473
Smith & Wesson
SWBI
$666M
– –
-41,212
Closed -$425K
SYF icon
3474
Synchrony
SYF
$24.5B
– –
-61,539
Closed -$3.81M
TCOM icon
3475
Trip.com Group
TCOM
$28.2B
– –
-15,393
Closed -$1.01M
137 138
139
140 141

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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.