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 | |
|---|---|---|---|---|---|---|
1401
PUT
Clean Harbors
CLH
$17.2B
| $3.67M | ﹤0.01% |
+18,600
| New | +$4.07M |
|
1402
CALL
Lattice Semiconductor
LSCC
$16B
| $3.66M | ﹤0.01% |
69,800
+17,100
| +32% | +$1.02M |
|
1403
PUT
Teck Resources
TECK
$28.2B
| $3.66M | ﹤0.01% |
100,400
+32,700
| +48% | +$1.36M |
|
1404
PUT
Leidos
LDOS
$14.4B
| $3.66M | ﹤0.01% |
27,100
+3,700
| +16% | +$517K |
|
1405
CALL
Natera
NTRA
$36.4B
| $3.65M | ﹤0.01% |
+25,800
| New | +$4.15M |
|
1406
PUT
AES
AES
$10.6B
| $3.64M | ﹤0.01% |
293,400
-158,800
| -35% | -$1.84M |
|
1407
PUT
Freshpet
FRPT
$3.04B
| $3.63M | ﹤0.01% |
43,600
+31,100
| +249% | +$3.81M |
|
1408
CALL
KB Home
KBH
$3.5B
| $3.61M | ﹤0.01% |
62,100
+2,600
| +4% | +$166K |
|
1409
CALL
Rocket Companies
RKT
$38.8B
| $3.6M | ﹤0.01% |
298,000
-40,500
| -12% | -$523K |
|
1410
CALL
Western Midstream Partners
WES
$19.4B
| $3.6M | ﹤0.01% |
87,800
+1,500
| +2% | +$61.1K |
|
1411
PUT
Powell Industries
POWL
$6.79B
| $3.59M | ﹤0.01% |
63,300
-21,000
| -25% | -$1.46M |
|
1412
PUT
Grab
GRAB
$13.7B
| $3.59M | ﹤0.01% |
793,100
+138,900
| +21% | +$648K |
|
1413
PUT
Sweetgreen
SG
$756M
| $3.59M | ﹤0.01% |
143,500
-69,600
| -33% | -$1.92M |
|
|
PPLI
1414
PUT
People Inc
PPLI
$3.12B
| $3.59M | ﹤0.01% |
95,204
-56,318
| -37% | -$2.05M |
|
1415
Zeta Global
ZETA
$5.5B
| $3.59M | ﹤0.01% |
264,557
+78,247
| +42% | +$1.4M |
|
|
GRMN
1416
CALL
Garmin
GRMN
$56.9B
| $3.58M | ﹤0.01% |
16,500
-4,300
| -21% | -$930K |
|
1417
Direxion Daily Homebuilders & Supplies Bull 3X ETF
NAIL
$572M
| $3.58M | ﹤0.01% |
57,528
+43,844
| +320% | +$3.43M |
|
1418
PUT
AGNC Investment
AGNC
$12.7B
| $3.56M | ﹤0.01% |
371,500
+107,000
| +40% | +$1.07M |
|
1419
CALL
Valaris
VAL
$5.14B
| $3.55M | ﹤0.01% |
90,300
-3,200
| -3% | -$137K |
|
1420
-1x Short VIX Futures ETF
SVIX
$159M
| $3.54M | ﹤0.01% |
174,178
+31,448
| +22% | +$758K |
|
1421
Alcoa
AA
$11.3B
| $3.54M | ﹤0.01% |
116,079
+100,771
| +658% | +$3.53M |
|
1422
CALL
LKQ Corp
LKQ
$6.72B
| $3.54M | ﹤0.01% |
83,200
+72,800
| +700% | +$2.89M |
|
|
FL
1423
CALL
DELISTED
Foot Locker
FL
| $3.54M | ﹤0.01% |
251,000
-60,300
| -19% | -$1.12M |
|
1424
CALL
Ambarella
AMBA
$3.04B
| $3.54M | ﹤0.01% |
70,300
-21,500
| -23% | -$1.47M |
|
1425
CALL
Universal Display
OLED
$3.75B
| $3.53M | ﹤0.01% |
25,300
-32,700
| -56% | -$4.89M |
|
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.