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PRTA · Prothena Corp Public Ltd Co · Held by Funds

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$8.16 -0.07 (-0.85%) At close · Nov 13 Play latest call Q4 2025 earnings call transcript
Russell 2000 member Rebalance outlook locked
Market Cap
$419.01M
Shares
51.35M
Volume · Nov 13 340.75K Avg daily vol (3M) 464.03K

Registered funds — mutual funds, ETFs and closed-end funds — whose latest Form N-PORT portfolio report holds this exact listed security, matched by CUSIP. Each row is one fund position with its size, value and weight in that fund.

Fund Ownership of PRTA by Fund Type

Registered funds' Form N-PORT reports for the quarter ended Jun 30, 2026

Index funds and index ETFs hold 2.24% of shares outstanding.

Fund type Of shares outstanding Shares
Index funds 0.30% 155,725
Index ETFs 1.94% 993,946
Active ETFs 0.44% 224,252
Active funds 4.18% 2,147,886
Unclassified 0.17% 88,798
All registered funds 7.03% 3,610,607
How fund types are measured

Each fund series counts once, with its latest Form N-PORT report dated inside the quarter; only long share positions count, restated to today's split basis. The fund type is the series' latest Form N-CEN answer on or before the quarter end (the index-fund box and the exchange-traded flag), never its name. Unclassified funds have no usable N-CEN; unit investment trusts are among them, so index ownership is a floor. Funds sit inside their advisers' 13F reports, so these shares overlap the 13F figures and are never added to them.

Funds holding PRTA

58 fund positions
Fund Balance Value % of Fund Open
VANGUARD EXPLORER FUND 757,200 $6,148,464 0.03%
VANGUARD EXTENDED MARKET INDEX FUND 480,189 $4,701,050 0.00%
VANGUARD STRATEGIC SMALL-CAP EQUITY FUND 333,148 $3,261,519 0.10%
VANGUARD RUSSELL 2000 INDEX FUND 254,523 $2,379,790 0.01%
Bridge Builder Small/Mid Cap Growth Fund 200,072 $1,958,705 0.02%
SMALL COMPANY GROWTH PORTFOLIO 127,636 $1,249,556 0.07%
VANGUARD HEALTH CARE INDEX FUND 131,477 $1,229,310 0.01%
Dimensional U.S. Small Cap ETF 120,757 $980,547 0.01%
Avantis U.S. Small Cap Equity ETF 85,522 $799,631 0.03%
Clearwater Select Equity Fund 76,061 $744,637 0.14%
Small Cap Value Fund 60,985 $597,043 0.09%
Dimensional U.S. Core Equity 2 ETF 71,109 $577,405 0.00%
Nuveen Small Cap Blend Index Fund 56,664 $460,112 0.01%
Direxion Daily S&P Biotech Bull 3X Shares 49,385 $401,006 0.08%
SMALL CAP EQUITY FUND 36,705 $359,342 0.03%
Invesco RAFI US 1500 Small-Mid ETF 34,600 $280,952 0.01%
VANGUARD RUSSELL 2000 GROWTH INDEX FUND 29,115 $272,225 0.02%
Nuveen Equity Index Fund 31,537 $256,080 0.00%
Small Cap Index Fund 23,024 $225,405 0.01%
Cornerstone Advisors Global Public Equity Fund 3,833 $192,033 0.04%
Bridge Builder Small/Mid Cap Value Fund 18,870 $184,737 0.00%
Global X Russell 2000 ETF 21,233 $172,412 0.01%
VANGUARD RUSSELL 2000 VALUE INDEX FUND 16,432 $153,639 0.01%
Dimensional US Core Equity Market ETF 16,113 $130,838 0.00%
BIOTECHNOLOGY ULTRASECTOR PROFUND 13,857 $112,519 0.09%
Invesco NASDAQ Future Gen 200 ETF 10,972 $102,588 0.46%
Small Cap Index Trust 9,409 $92,114 0.01%
Nuveen Life Small Cap Equity Fund 9,200 $90,068 0.10%
Dimensional U.S. Equity Market ETF 10,778 $87,517 0.00%
SIIT EXTENDED MARKET INDEX FUND 7,900 $73,865 0.01%
Defiance Nasdaq Junior Biotechnology ETF 1,030 $73,367 1.01%
PROFUND VP BIOTECHNOLOGY 6,443 $63,077 0.13%
New Covenant Growth Fund 5,314 $52,024 0.01%
Avantis U.S. Small Cap Equity Fund 5,452 $50,976 0.03%
Dimensional US Core Equity 1 ETF 5,606 $45,521 0.00%
Small Cap Core Fund 3,644 $35,675 0.01%
VANGUARD RUSSELL 3000 INDEX FUND 3,260 $30,481 0.00%
Invesco Nasdaq Biotechnology ETF 3,241 $30,303 0.03%
Dimensional US Vector Equity ETF 3,714 $30,158 0.01%
Small-Mid Cap Equity Fund 1,731 $28,060 0.00%
Invesco RAFI Strategic US Small Company ETF 460 $25,650 0.03%
Strategic Equity Allocation Trust 2,296 $22,478 0.00%
iShares Neuroscience and Healthcare ETF 2,759 $22,403 0.41%
Dimensional US Sustainability Core 1 ETF 2,078 $16,873 0.00%
SmallCap Growth Fund I 2,050 $16,646 0.00%
AZL DFA U.S. Core Equity Fund 1,321 $12,933 0.00%
SmallCap Value Fund II 1,454 $11,806 0.00%
TIAA Separate Account VA-1 - Stock Index Account 1,011 $9,898 0.00%
Destinations Small-Mid Cap Equity Fund 1,032 $9,649 0.00%
Total Stock Market Index Trust 880 $8,615 0.00%
Showing 1–50 of 58 positions
Key facts CIK 1559053 CUSIP G72800108 13F (30d) 149 filings 122 filers Visit website Investor relations