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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
RRC icon
3426
Range Resources
RRC
$9.11B
– –
-10,422
Closed -$401K
RSG icon
3427
PUT
Republic Services
RSG
$66.7B
– –
-13,600
Closed -$2.74M
RSI icon
3428
CALL
Rush Street Interactive
RSI
$3.24B
– –
-88,900
Closed -$1.22M
RSP icon
3429
Invesco S&P 500 Equal Weight ETF
RSP
$96.1B
– –
-19,152
Closed -$3.36M
RXL icon
3430
ProShares Ultra Health Care
RXL
$84.4M
– –
-13,546
Closed -$596K
S icon
3431
SentinelOne
S
$6.22B
– –
-67,536
Closed -$1.47M
FLNA
3432
CALL
Filana Therapeutics
FLNA
$43M
– –
-97,200
Closed -$229K
SBSW icon
3433
Sibanye-Stillwater
SBSW
$5.92B
– –
-278,530
Closed -$1.06M
SBUX icon
3434
Starbucks
SBUX
$118B
– –
-65,803
Closed -$6.8M
SCHD icon
3435
Schwab US Dividend Equity ETF
SCHD
$102B
– –
-93,901
Closed -$2.57M
SCHW
3436
Charles Schwab
SCHW
$177B
– –
-28,452
Closed -$2.23M
SDS icon
3437
ProShares UltraShort S&P500
SDS
$424M
– –
-72,553
Closed -$7.14M
SFIX
3438
CALL
Stitch Fix
SFIX
$478M
– –
-74,900
Closed -$323K
SFIX
3439
Stitch Fix
SFIX
$478M
– –
-211,122
Closed -$962K
SG icon
3440
Sweetgreen
SG
$713M
– –
-41,819
Closed -$1.15M
SHEL icon
3441
Shell
SHEL
$245B
– –
-24,479
Closed -$1.65M
SHLS icon
3442
CALL
Shoals Technologies Group
SHLS
$1.58B
– –
-61,900
Closed -$342K
SIG icon
3443
Signet Jewelers
SIG
$3.55B
– –
-18,608
Closed -$1.07M
SIGA icon
3444
CALL
SIGA Technologies
SIGA
$223M
– –
-35,000
Closed -$210K
SIL icon
3445
Global X Silver Miners ETF NEW
SIL
$4.07B
– –
-38,573
Closed -$1.23M
SIMO icon
3446
PUT
Silicon Motion
SIMO
$9.19B
– –
-11,100
Closed -$600K
SKRE icon
3447
Tuttle Capital Daily 2X Inverse Regional Banks ETF
SKRE
$5.16M
– –
-16,065
Closed -$214K
SKX
3448
DELISTED
Skechers
SKX
– –
-28,227
Closed -$1.84M
SKYW icon
3449
CALL
Skywest
SKYW
$4.11B
– –
-28,000
Closed -$2.8M
SKYW icon
3450
PUT
Skywest
SKYW
$4.11B
– –
-16,700
Closed -$1.67M
136 137
138
139 140

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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.