# IBRN holdings: all 69 positions

> All 69 IBRN holdings with weights, as of Oct 13, 2026. The top 3 are BIIB 5.28%, NBIX 4.43% and PTCT 4.40%. Download the full list as a CSV.

Data as of Oct 13, 2026. Rebuilt every trading night.

IBRN held 69 positions as of Oct 13, 2026. Biogen is the largest at 5.28%; the top 10 are 41.3% of the fund.

Source: iShares (BlackRock) (https://www.ishares.com/us/products/329137/x/latest-holdings.csv).

| # | Holding | Ticker | Weight |
| --- | --- | --- | --- |
| 1 | Biogen | BIIB | 5.28% |
| 2 | Neurocrine Biosciences | NBIX | 4.43% |
| 3 | PTC Therapeutics | PTCT | 4.40% |
| 4 | Alkermes | ALKS | 4.39% |
| 5 | Edgewise Therapeutics | EWTX | 4.29% |
| 6 | Argenx SE ADR | ARGX | 3.97% |
| 7 | Scholar Rock Holding | SRRK | 3.73% |
| 8 | Supernus Pharmaceuticals | SUPN | 3.68% |
| 9 | Dianthus Therapeutics Inc | DNTH | 3.65% |
| 10 | Praxis Precision Medicines | PRAX | 3.52% |
| 11 | Acadia Pharmaceuticals | ACAD | 3.38% |
| 12 | SK Biopharmaceuticals Ltd |  | 3.31% |
| 13 | Dyne Therapeutics | DYN | 3.21% |
| 14 | Axogen | AXGN | 3.04% |
| 15 | H. Lundbeck Class B |  | 3.03% |
| 16 | Xenon Pharmaceuticals | XENE | 2.93% |
| 17 | Sarepta Therapeutics | SRPT | 2.68% |
| 18 | Neuren Pharmaceuticals | NEU | 2.42% |
| 19 | Biohaven | BHVN | 2.36% |
| 20 | Bioarctic Class B |  | 1.98% |
| 21 | Taysha Gene Therapies | TSHA | 1.52% |
| 22 | Oncolys Biopharma Inc |  | 1.50% |
| 23 | Integra Lifesciences Holdings | IART | 1.48% |
| 24 | LB Pharmaceuticals Inc | LBRX | 1.48% |
| 25 | Idorsia N Ltd | IDIA | 1.46% |
| | BLK Csh Fnd Treasury Sl Agency | | 0.13% |
| | Cash Collateral Usd Sgaft | | 0.03% |
| | AUD Cash | | 0.02% |
| | KRW Cash | | 0.02% |
| | JPY Cash | | 0.02% |
| | EUR Cash | | 0.01% |
| | CHF Cash | | 0.00% |
| | DKK Cash | | 0.00% |
| | HKD Cash | | 0.00% |
| | SEK Cash | | 0.00% |
| | USD Cash | | −0.07% |
| | Cash and other net assets | | −0.01% |

The largest 25 of 69 positions are shown. All of them: https://etfiq.com/funds/ibrn/holdings/ibrn-holdings.csv (CSV) or https://etfiq.com/data/books/ibrn.json (JSON).

Fund page: https://etfiq.com/funds/ibrn

Cite: ETFIQ, Holdings of IBRN, data as of Oct 13, 2026. https://etfiq.com/funds/ibrn/holdings/