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 | |
|---|---|---|---|---|---|---|
326
CALL
AutoZone
AZO
$48.3B
| $50.7M | 0.03% |
+13,300
| New | +$45.9M |
|
327
CALL
Blackstone
BX
$104B
| $50.4M | 0.03% |
360,500
+110,500
| +44% | +$17.9M |
|
328
CALL
Dollar General
DG
$25.9B
| $50.2M | 0.03% |
570,700
-102,000
| -15% | -$7.72M |
|
329
CALL
KLA
KLAC
$275B
| $48.7M | 0.03% |
717,000
+154,000
| +27% | +$11.1M |
|
330
CALL
Electronic Arts
EA
$52.4B
| $48.6M | 0.03% |
336,400
+242,900
| +260% | +$32.8M |
|
331
CALL
3M
MMM
$89B
| $48.2M | 0.03% |
328,500
-74,700
| -19% | -$11M |
|
332
PUT
AT&T
T
$165B
| $47.9M | 0.03% |
1,694,900
+682,200
| +67% | +$17.2M |
|
333
PUT
Domino's
DPZ
$11B
| $47.8M | 0.03% |
104,100
-59,100
| -36% | -$26.7M |
|
334
CALL
Cloudflare
NET
$93B
| $47.5M | 0.03% |
421,800
+7,100
| +2% | +$941K |
|
335
CALL
Constellation Energy
CEG
$98B
| $47.5M | 0.03% |
235,700
+27,500
| +13% | +$7.37M |
|
336
CALL
Roblox
RBLX
$34B
| $47.3M | 0.03% |
812,100
-286,600
| -26% | -$18M |
|
337
CALL
Thermo Fisher Scientific
TMO
$211B
| $47.1M | 0.03% |
94,600
-1,300
| -1% | -$704K |
|
338
PUT
Trade Desk
TTD
$8.13B
| $46.8M | 0.03% |
856,000
+419,900
| +96% | +$38M |
|
339
CALL
Regeneron Pharmaceuticals
REGN
$68.8B
| $46.7M | 0.03% |
73,700
+28,200
| +62% | +$19.4M |
|
|
TYNS
340
CALL
DELISTED
Direxion Daily 7-10 Year Treasury Bear 1X Shares
TYNS
| $46.6M | 0.03% |
298,600
-112,800
| -27% | -$17.6M |
|
341
CALL
EOG Resources
EOG
$78B
| $46.2M | 0.03% |
359,900
+92,500
| +35% | +$11.9M |
|
342
PUT
Comcast
CMCSA
$79.1B
| $46.1M | 0.03% |
1,249,800
+961,900
| +334% | +$34.7M |
|
343
PUT
Pfizer
PFE
$140B
| $46M | 0.03% |
1,815,800
-28,200
| -2% | -$738K |
|
344
Micron Technology
MU
$1.04T
| $45.5M | 0.03% |
523,339
-18,831
| -3% | -$1.81M |
|
345
PUT
Delta Air Lines
DAL
$55.9B
| $45.4M | 0.03% |
1,040,900
-160,800
| -13% | -$9.53M |
|
346
PUT
SoFi Technologies
SOFI
$21.1B
| $45M | 0.03% |
3,873,100
-1,004,300
| -21% | -$14.5M |
|
|
347
PUT
Dollar General
DG
$25.9B
| $45M | 0.03% |
511,500
+40,700
| +9% | +$3.08M |
|
348
CALL
State Street Health Care Select Sector SPDR ETF
XLV
$42.1B
| $44.9M | 0.03% |
307,800
-229,200
| -43% | -$33.3M |
|
|
349
PUT
Regeneron Pharmaceuticals
REGN
$68.8B
| $44.5M | 0.03% |
70,200
+28,500
| +68% | +$19.6M |
|
350
CALL
Honeywell
HON
$77.1B
| $44.3M | 0.03% |
222,173
-49,125
| -18% | -$9.94M |
|
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.