iShares Micro-Cap ETF (IWC) is an ETF managed by BlackRock / iShares. Its largest position is BLACKROCK FUNDS III (BISXX), representing 20.79% of fund assets.
iShares Micro-Cap ETF Portfolio Holdings
Source: SEC Form N-PORT institutional portfolio disclosures
- Ticker:
- IWC
- Type:
- ETF
- Manager:
- BlackRock / iShares
- Total Assets:
- —
- Report Date:
- Mar 31, 2026
- Filing Date:
- May 28, 2026
| Holding | Weight | Market Value | Shares |
|---|---|---|---|
|
-
BLACKROCK FUNDS III
|
20.79% | $252,446,761.68 | 252,396,282 |
|
-
Praxis Precision Medicines, Inc.
|
1.73% | $20,973,602.43 | 65,097 |
|
-
Applied Digital Corp.
|
1.17% | $14,227,761.84 | 599,316 |
|
-
APPLIED OPTOELECTRONICS, INC.
|
1.16% | $14,100,391.69 | 166,691 |
|
-
Cogent Biosciences, Inc.
|
1.14% | $13,883,881.86 | 360,714 |
|
-
TERNS PHARMACEUTICALS INC
|
1.05% | $12,739,102.64 | 241,637 |
|
-
TERAWULF INC.
|
0.93% | $11,266,539.96 | 780,772 |
|
-
ENERGY FUELS INC
|
0.89% | $10,812,723.50 | 592,478 |
|
-
Cipher Digital Inc.
|
0.87% | $10,528,457.94 | 818,062 |
|
-
Celcuity Inc.
|
0.83% | $10,097,166.82 | 88,463 |
|
-
Vistance Networks, Inc.
|
0.82% | $10,014,204.20 | 550,231 |
|
-
TUTOR PERINI CORP
|
0.71% | $8,665,272.21 | 112,259 |
|
-
Erasca, Inc.
|
0.64% | $7,737,826.12 | 478,234 |
|
-
GPGI, Inc.
|
0.63% | $7,703,361.90 | 450,489 |
|
-
Dianthus Therapeutics, Inc. /DE/
|
0.63% | $7,591,906.72 | 90,466 |
|
-
AXT INC
|
0.62% | $7,490,362.88 | 131,456 |
|
-
CENTRUS ENERGY CORP
|
0.61% | $7,377,054.23 | 42,497 |
|
-
NLIGHT, INC.
|
0.56% | $6,842,114.90 | 119,995 |
|
-
Liquidia Corp
|
0.51% | $6,230,119.20 | 165,080 |
|
-
PERPETUA RESOURCES CORP.
|
0.51% | $6,151,756.16 | 218,768 |
|
-
Tango Therapeutics, Inc.
|
0.48% | $5,856,010.08 | 279,924 |
|
-
Immunome Inc.
|
0.46% | $5,628,856.86 | 257,378 |
|
-
ASTRONICS CORP
|
0.43% | $5,253,252.52 | 78,724 |
|
-
Adaptive Biotechnologies Corp
|
0.43% | $5,226,555.64 | 376,553 |
|
-
BEL FUSE INC /NJ
|
0.43% | $5,188,065.90 | 26,205 |
|
-
HYCROFT MINING HOLDING CORP
|
0.40% | $4,903,676.80 | 139,309 |
|
-
Amprius Technologies, Inc.
|
0.40% | $4,895,031.24 | 290,334 |
|
-
Oruka Therapeutics, Inc.
|
0.39% | $4,769,229.60 | 97,232 |
|
-
Definium Therapeutics, Inc.
|
0.39% | $4,690,337.40 | 248,166 |
|
-
Dave Inc./DE
|
0.37% | $4,549,319.88 | 26,132 |
|
-
Blue Bird Corp
|
0.37% | $4,536,555.57 | 79,883 |
|
-
DIGI INTERNATIONAL INC
|
0.37% | $4,517,352.20 | 93,721 |
|
-
Navitas Semiconductor Corp
|
0.37% | $4,499,790.53 | 513,089 |
|
-
CECO ENVIRONMENTAL CORP
|
0.36% | $4,427,806.86 | 74,317 |
|
-
DUCOMMUN INC /DE/
|
0.35% | $4,245,356.00 | 34,798 |
|
-
A10 Networks, Inc.
|
0.35% | $4,191,332.32 | 181,286 |
|
-
THERMON GROUP HOLDINGS INC
|
0.34% | $4,125,189.60 | 81,849 |
|
-
Axogen, Inc.
|
0.33% | $4,033,577.50 | 121,750 |
|
-
ARTIVION, INC.
|
0.33% | $4,033,473.28 | 110,144 |
|
-
Stoke Therapeutics, Inc.
|
0.33% | $4,020,997.20 | 123,495 |
|
-
Turning Point Brands, Inc.
|
0.33% | $4,018,810.95 | 46,305 |
|
-
Viridian Therapeutics, Inc.\DE
|
0.33% | $4,011,423.48 | 205,083 |
|
-
ICHOR HOLDINGS, LTD.
|
0.33% | $3,994,104.12 | 85,692 |
|
-
Nurix Therapeutics, Inc.
|
0.33% | $3,971,968.00 | 256,256 |
|
-
AMERICAN SUPERCONDUCTOR CORP /DE/
|
0.32% | $3,931,779.05 | 116,153 |
|
-
Enliven Therapeutics, Inc.
|
0.32% | $3,888,483.20 | 99,196 |
|
-
BigBear.ai Holdings, Inc.
|
0.32% | $3,848,915.84 | 1,093,442 |
|
-
ALUMIS INC.
|
0.31% | $3,808,722.64 | 172,888 |
|
-
Enviri Corp
|
0.31% | $3,760,016.04 | 191,642 |
|
-
DIVERSIFIED HEALTHCARE TRUST
|
0.30% | $3,673,792.48 | 553,282 |
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