ETF PROAI
IBBISharesINDEX

iShares Biotechnology ETF

$205.29-0.33% vs prior close
15021752-WK

Price through Oct 2 · Flows through Oct 2. Figures use the latest available records, not a live quote. Fund details retrieved Oct 3. Holdings snapshot retrieved Oct 3.

The fund generally will invest at least 80% of its assets in the component securities of its index and in investments that have economic characteristics that are substantially identical to the component securities of its index and may invest up to 20% of its assets in certain futures, options and swap contracts, cash and cash equivalents. It is non-diversified.

Price & daily flows
211.3207.9204.5205.29DAILY NET FLOWSep 3Sep 15Sep 23Oct 2

SOURCE: MARKET TAPE & DAILY CREATION/REDEMPTION RECORDS · 1M SHOWN · NET +$272M OVER THIS RANGE

The desk’s read

Money keeps arriving — +$272M of net inflows over the past month, about 2.5% of the fund's asset base, while the price has returned +21.6% so far this year. At 0.45% a year it is not the cheapest way in — FDHT has a reported fee of 0.39%.

COMPOSED FROM THE FUND’S OWN DAILY RECORDS · UPDATED WITH EACH REFRESH

$10.9Bassets under management
0.45%expense ratio · $45 per $10,000 a year
+$272Mnet flow, trailing month
1.5Mavg daily volume, 30 days
221holdings · US-domiciled
2001listed February 5, 2001 · beta 0.77
The book at a glance
GILD-1.9%AMGN-1.0%VRTX-0.4%REGN+0.1%MRNA+0.6%NTRA+0.5%ARGX-1.8%ILMN+2.8%RVMD+0.4%BIIB-1.3%ONC-0.2%ALNY-5.0%INSM+2.3%INCY-1.6%UTHR-5.2%GMAB+0.6%ROIV+0.6%NBIX+1.8%ASND+0.2%EXEL+0.8%CRL+1.2%MEDP+0.2%HALO+2.7%TWST+0.3%BBIO+0.5%TECH+0.0%BMRN-2.2%TXG+5.3%MDGL-0.1%RGENBNTXCYTK

CELL SIZE IS PORTFOLIO WEIGHT · COLOR IS THE CHANGE IN THE LATEST AVAILABLE SNAPSHOT · TOP 40 POSITIONS

HoldingsDownload CSV
#HoldingWeightPriceDay52-wk
1GILDGILEAD SCIENCES8.18%$144.74-1.9%
2AMGNAMGEN7.68%$403.04-1.0%
3VRTXVERTEX PHARMACEUTICALS7.55%$504.73-0.4%
4REGNREGENERON PHARMACEUTICALS5.23%$735.20+0.1%
5MRNAMODERNA4.95%$190.01+0.6%
6NTRANATERA3.95%$410.35+0.5%
7ARGXARGENX SE3.73%$919.21-1.8%
8ILMNILLUMINA2.87%$273.04+2.8%
9RVMDREVOLUTION MEDICINES2.85%$206.64+0.4%
10BIIBBIOGEN2.34%$219.88-1.3%
11ONCBeiGene2.17%$358.07-0.2%
12ALNYALNYLAM PHARMACEUTICALS2.21%$219.72-5.0%
13INSMINSMED1.68%$111.12+2.3%
14INCYINCYTE1.69%$115.30-1.6%
15UTHRUNITED THERAPEUTICS1.70%$541.70-5.2%

The full book, free with one sign-in.

Top 15 positions are open to everyone. Sign in once and every fund’s complete holdings — plus CSV export, watchlists, and flow alerts — unlock across the network.

Sign in to see all 221
Sector weights
Health Care99.91%
Cash and/or Derivatives0.13%
PORTFOLIO COMPOSITION, LATEST DISCLOSURE
Country weights
United States90.09%
Belgium3.82%
China2.58%
Denmark1.37%
Germany0.67%
France0.5%
United Kingdom0.26%
Canada0.25%
PORTFOLIO COMPOSITION, LATEST DISCLOSURE
Performance
1 week-2.1%
1 month-4.0%
3 months+4.9%
6 months+20.7%
YTD+21.6%
1 year+36.0%
3 years—

PRICE RETURN, DISTRIBUTIONS NOT REINVESTED

Net flows
1 week+$145M
1 month+$272M
3 months+$623M
YTD+$492M
1 year+$1.8B

CREATION/REDEMPTION DOLLARS, DAILY RECORDS

Monthly net flows
OctNovDecJanFebMarAprMayJulAugSepOct
DAILY CREATION/REDEMPTION RECORDS, TRAILING TWELVE MONTHS
The risk read
21%realized volatility, 30 days (annualized)
22%realized volatility, 1 year
-9.7%deepest fall from a peak, 1 year
-5.4%latest close versus that peak

The top holding is 8.2% of the book; the top ten carry 49%. Spread across 229+ names, it behaves like roughly 31 equally-weighted positions.

VOLATILITY & DRAWDOWN FROM THE DAILY TAPE · CONCENTRATION FROM THE LATEST DISCLOSED BOOK

Options tape
532calls · latest snapshot
101puts · latest snapshot
0.19put/call ratio
2.1Mshares traded
Most-traded holdings, options premiumBullishBearish
MRNA MODERNA$24M$31M
TEM TEMPUS AI INC$6M$6M
IOVA IOVANCE BIOTHERAPEUTICS$4M$4M
IBRX IMMUNITYBIO$4M$3M
VRTX VERTEX PHARMACEUTICALS$2M$3M

TODAY’S OPTIONS PREMIUM IN THE FUND’S UNDERLYING NAMES

The case against IBB

Due diligence cuts both ways. These funds sit on the same shelf and beat IBB on at least one dimension that matters — the fee, the asset base, or where the money is going.

FundFeeAssetsFlow, 1MThe case
IVV iShares Core S&P 500 ETF0.03%$881.6B+$14.6B-42bp on fee · 81× the assets · +$14.6B in over the monthHead-to-head
SPDW State Street SPDR Portfolio Developed World ex-US ETF0.03%$41.5B+$286M-42bp on fee · 4× the assets · +$286M in over the monthHead-to-head
BBUS JPMorgan BetaBuilders U.S. Equity ETF0.02%$9.4B+$187M-43bp on fee · +$187M in over the monthHead-to-head
SPMD State Street SPDR Portfolio S&P 400 Mid Cap ETF0.03%$18.2B+$199M-42bp on fee · 2× the assets · +$199M in over the monthHead-to-head
SPYG State Street SPDR Portfolio S&P 500 Growth ETF0.04%$56.2B+$717M-41bp on fee · 5× the assets · +$717M in over the monthHead-to-head
Sign in to save this to The RecordA timestamped copy for the file — documentation, not advice.
InstrumentsHarvest substitutesTrade cost at $1MClient tearsheetStress this fund
THE DESK BRIEF

Flows, fee cuts, and closure risk on the funds you watch — every trading morning.