IBRN Top Holdings & Constituents
IBRN, offered by iShares, holds 84 reported positions across $5.9M in assets. Its largest holdings are BlackRock Funds III: BlackRock Cash Funds: Institutional; SL Agency Shares (8.57%), Xenon Pharmaceuticals Inc (XENE) (4.79%), and AXSOME THERAPEUTICS, INC. (AXSM) (4.59%). The 5 biggest positions account for 26.56% of reported assets. The table below lists every reported holding with its portfolio weight and market value in US dollars — open any constituent to research its own performance.
| Position | Weight | Market Value |
|---|---|---|
— BlackRock Funds III: BlackRock Cash Funds: Institutional; SL Agency Shares | 8.57% | $443.51K |
XENE Xenon Pharmaceuticals Inc | 4.79% | $247.64K |
AXSM AXSOME THERAPEUTICS, INC. | 4.59% | $237.67K |
ARWR ARROWHEAD PHARMACEUTICALS, INC. | 4.41% | $228.01K |
ALKS ALKERMES PUBLIC LIMITED COMPANY | 4.20% | $217.29K |
Holdings data comes from the latest SEC Form N-PORT-P filing for this fund, covering the reporting period ended Apr 30, 2026. Market values are reported in US dollars, and each weight represents the position's share of reported fund assets. Cash, derivatives, and rounding can mean displayed weights do not total 100%. Funds rebalance and file on a schedule, so this page may not reflect intraday or post-filing changes.