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Prothena (PRTA) Institutional Ownership

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$14.28 -0.72 (-4.80%)
(As of 12:02 PM ET)
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Institutional Ownership Changes (13F Filings) for Prothena (NASDAQ:PRTA)

Current
Institutional Ownership
Percentage
97.08%
Number of
Institutional Buyers
(last 12 months)
53
Total
Institutional Inflows
(last 12 months)
$106.39M
Number of
Institutional Sellers
(last 12 months)
32
Total
Institutional Outflows
(last 12 months)
$123.53M
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PRTA Institutional Buying and Selling by Quarter

Prothena Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
11/19/2024 Barclays PLC95,222$1.59M0.0%+110.2%0.177%
11/16/2024 Geode Capital Management LLC963,479$16.12M0.0%-3.1%1.792%
11/15/2024 Barclays PLC95,222$1.59M0.0%+110.2%0.177%
11/15/2024 Orion Portfolio Solutions LLC17,531$293K0.0%+4.4%0.033%
11/15/2024 XTX Topco Ltd15,564$260K0.0%N/A0.029%
11/15/2024 Wellington Management Group LLP4,178,788$69.91M0.0%+14.8%7.770%
11/15/2024 State Street Corp1,674,909$28.02M0.0%-13.3%3.114%
11/15/2024 Systematic Financial Management LP8,125$136K0.0%-95.8%0.015%
11/15/2024 Janus Henderson Group PLC18,047$301K0.0%-98.2%0.034%
11/14/2024 PDT Partners LLC110,654$1.85M0.2%+7.7%0.206%
11/14/2024 UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC526,748$8.81M0.0%+1,122.9%0.979%
11/13/2024 BNP Paribas Financial Markets55,842$934K0.0%+44.6%0.104%
11/13/2024 FMR LLC8,066,983$134.96M0.0%+0.0%15.000%
11/13/2024 The Manufacturers Life Insurance Company 86,071$1.44M0.0%+3.8%0.160%
11/13/2024 Dynamic Technology Lab Private Ltd25,764$432K0.0%N/A0.048%
11/12/2024 Algert Global LLC72,961$1.22M0.0%-5.5%0.136%
11/12/2024 Charles Schwab Investment Management Inc.324,962$5.44M0.0%-0.7%0.604%
11/9/2024 Primecap Management Co. CA35,500$594K0.0%-2.7%0.066%
11/9/2024 Intech Investment Management LLC12,555$210K0.0%N/A0.023%
11/8/2024 Connor Clark & Lunn Investment Management Ltd.122,492$2.05M0.0%+8.6%0.228%
11/5/2024 GSA Capital Partners LLP28,941$484K0.0%N/A0.054%
10/25/2024 Pinnacle Associates Ltd.125,747$2.10M0.0%+2.3%0.234%
10/25/2024 China Universal Asset Management Co. Ltd.10,344$173K0.0%+63.7%0.019%
10/11/2024 Creative Planning20,907$350K0.0%N/A0.039%
10/3/2024 Duncan Williams Asset Management LLC48,749$816K0.4%N/A0.091%
10/3/2024 SG Americas Securities LLC14,087$236K0.0%-74.2%0.026%
8/16/2024 Systematic Financial Management LP193,763$4.00M0.1%+25.8%0.360%
8/16/2024 Algert Global LLC77,191$1.59M0.1%+59.7%0.144%
8/15/2024 Armistice Capital LLC1,560,000$32.20M0.4%+42.3%2.901%
8/14/2024 Profund Advisors LLC18,073$373K0.0%-61.4%0.034%
8/13/2024 Ensign Peak Advisors Inc21,643$447K0.0%+30.4%0.040%
8/13/2024 Thrivent Financial for Lutherans47,515$980K0.0%-4.1%0.088%
8/13/2024 DCF Advisers LLC107,500$2.22M1.1%+0.5%0.200%
8/9/2024 Renaissance Technologies LLC329,500$6.80M0.0%-15.4%0.613%
8/9/2024 Dimensional Fund Advisors LP861,584$17.78M0.0%-0.1%1.602%
8/8/2024 Federated Hermes Inc.43,861$905K0.0%N/A0.082%
8/7/2024 Headlands Technologies LLC1,675$35K0.0%-56.8%0.003%
8/5/2024 Arizona State Retirement System9,776$202K0.0%-11.6%0.018%
8/3/2024 TD Asset Management Inc100,694$2.08M0.0%-13.4%0.187%
8/1/2024 Rhumbline Advisers69,756$1.44M0.0%+9.9%0.130%
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7/31/2024 Focused Wealth Management Inc20,129$415K0.1%+98.7%0.037%
7/30/2024 Pinnacle Associates Ltd.122,900$2.54M0.0%-1.9%0.229%
7/30/2024 Signaturefd LLC1,337$28K0.0%+182.1%0.002%
7/29/2024 Zurcher Kantonalbank Zurich Cantonalbank10,236$211K0.0%+13.1%0.019%
7/26/2024 Bank of New York Mellon Corp165,423$3.41M0.0%+13.4%0.308%
7/12/2024 SG Americas Securities LLC54,572$1.13M0.0%+226.4%0.101%
5/28/2024 Teachers Retirement System of The State of Kentucky14,039$348K0.0%+26.0%0.026%
5/17/2024 Artal Group S.A.1,001,360$24.80M0.6%+99.7%1.862%
5/16/2024 California State Teachers Retirement System40,442$1.00M0.0%-5.3%0.075%
5/16/2024 Janus Henderson Group PLC1,309,590$32.44M0.0%-35.7%2.436%
5/15/2024 First Light Asset Management LLC444,953$11.02M0.8%-59.1%0.828%
5/15/2024 Price T Rowe Associates Inc. MD4,201,771$104.08M0.0%-0.8%7.814%
5/13/2024 Seven Eight Capital LP41,120$1.02M0.1%-27.8%0.076%
5/10/2024 Vanguard Group Inc.1,125,283$27.87M0.0%+5.1%2.095%
5/9/2024 State Board of Administration of Florida Retirement System11,286$280K0.0%-5.3%0.021%
5/8/2024 Focused Wealth Management Inc10,129$251K0.0%+7,751.9%0.019%
5/8/2024 ProShare Advisors LLC11,346$281K0.0%+8.9%0.021%
5/8/2024 Headlands Technologies LLC3,881$96K0.0%N/A0.007%
5/7/2024Susquehanna Fundamental Investments LLC13,818$342K0.0%N/A0.026%
5/7/2024 SG Americas Securities LLC16,720$414K0.0%-87.7%0.031%
5/1/2024 BNP Paribas Financial Markets32,253$799K0.0%-65.4%0.060%
4/29/2024 Principal Financial Group Inc.11,737$291K0.0%-62.1%0.022%
4/29/2024 China Universal Asset Management Co. Ltd.10,360$257K0.0%+67.0%0.019%
4/29/2024HighMark Wealth Management LLC16,502$409K0.3%+124.5%0.031%
4/26/2024 Pinnacle Associates Ltd.125,264$3.10M0.0%-0.4%0.233%
3/22/2024 PNC Financial Services Group Inc.1,544$56K0.0%+265.9%0.003%
3/5/2024 Wellington Management Group LLP2,594,102$94.27M0.0%+21.1%4.829%
2/16/2024 Price T Rowe Associates Inc. MD4,237,351$153.99M0.0%+10.9%7.895%
2/15/2024 PFM Health Sciences LP189,744$6.90M0.4%-77.3%0.354%
2/15/2024 Granahan Investment Management LLC417,157$15.16M0.5%+19.9%0.777%
2/15/2024 Boxer Capital LLC665,000$24.17M1.2%+6.4%1.239%
2/14/2024 ADAR1 Capital Management LLC6,102$222K0.1%N/A0.011%
2/14/2024 First Light Asset Management LLC1,088,801$39.57M3.2%-27.1%2.029%
2/14/2024 Seven Eight Capital LP56,946$2.07M0.2%N/A0.106%
2/14/2024 Sectoral Asset Management Inc.46,777$1.70M0.7%-72.9%0.087%
2/13/2024 DCF Advisers LLC84,000$3.05M1.7%+1.3%0.157%
2/13/2024 Armistice Capital LLC278,000$10.10M0.1%N/A0.518%
2/13/2024 Rafferty Asset Management LLC207,419$7.54M0.0%+32.2%0.386%
2/12/2024 TD Asset Management Inc146,538$5.33M0.0%-15.1%0.273%
2/9/2024 Trexquant Investment LP67,683$2.46M0.1%+19.1%0.126%
2/9/2024 Dynamic Technology Lab Private Ltd26,476$962K0.1%N/A0.049%
2/8/2024 Thornburg Investment Management Inc.25,591$930K0.0%-9.5%0.048%
2/7/2024 Principal Financial Group Inc.30,973$1.13M0.0%+21.1%0.058%
2/7/2024 Dimensional Fund Advisors LP867,635$31.53M0.0%-21.3%1.617%
2/7/2024 Jump Financial LLC6,457$235K0.0%-89.8%0.012%
2/7/2024 Teacher Retirement System of Texas9,266$337K0.0%-17.5%0.017%
2/7/2024 E Fund Management Co. Ltd.11,096$403K0.0%+37.7%0.021%
2/6/2024 Charles Schwab Investment Management Inc.313,230$11.38M0.0%+1.5%0.584%
2/6/2024 Swiss National Bank79,200$2.88M0.0%-9.0%0.148%
2/1/2024 New York State Common Retirement Fund33,648$1.22M0.0%+8.6%0.063%
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2/1/2024 Handelsbanken Fonder AB61,400$2.23M0.0%+4.2%0.114%
1/30/2024 HealthInvest Partners AB8,342$303K0.2%N/A0.016%
1/30/2024 Zurcher Kantonalbank Zurich Cantonalbank9,563$348K0.0%+28.1%0.018%
1/30/2024 Strs Ohio10,700$388K0.0%+55.1%0.020%
1/25/2024 Allspring Global Investments Holdings LLC1,947$71K0.0%-37.1%0.004%
1/25/2024 Nisa Investment Advisors LLC900$33K0.0%-40.4%0.002%
1/24/2024 Mirae Asset Global Investments Co. Ltd.27,751$1.01M0.0%+8.2%0.052%
1/24/2024 China Universal Asset Management Co. Ltd.6,203$225K0.0%+351.1%0.012%
1/19/2024 Pinnacle Associates Ltd.125,747$4.57M0.1%+0.6%0.234%
1/12/2024 SG Americas Securities LLC135,857$4.94M0.0%+46.9%0.253%
(Data available from 1/1/2016 forward)

PRTA Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of PRTA shares?

During the previous two years, 132 institutional investors and hedge funds held shares of Prothena. The most heavily invested institutionals were FMR LLC ($134.96M), Price T Rowe Associates Inc. MD ($104.08M), Wellington Management Group LLP ($69.91M), Armistice Capital LLC ($32.20M), Rock Springs Capital Management LP ($29.64M), State Street Corp ($28.02M), and Vanguard Group Inc. ($27.87M).Learn more on PRTA's institutional investors.

What percentage of Prothena stock is owned by institutional investors?

97.08% of Prothena stock is owned by institutional investors. Learn more on PRTA's institutional investor holdings.

Which institutional investors have been buying Prothena stock?

Of the 113 institutional investors that purchased Prothena stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: FMR LLC ($2.93M), Wellington Management Group LLP ($1.49M), Avidity Partners Management LP ($986K), Armistice Capital LLC ($742K), Artal Group S.A. ($500K), UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC ($483.67K), and Price T Rowe Associates Inc. MD ($417.34K).

How much institutional buying is happening at Prothena?

Institutional investors have bought a total of 11,458,871 shares in the last 24 months. This purchase volume represents approximately $504.84M in transactions.

Which Prothena major shareholders have been selling company stock?

Of the 61 institutional investors that sold Prothena stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Janus Henderson Group PLC ($1.73M), First Light Asset Management LLC ($1.08M), PFM Health Sciences LP ($646.83K), Dimensional Fund Advisors LP ($482.31K), Prosight Management LP ($327.09K), SG Americas Securities LLC ($322.28K), and Renaissance Technologies LLC ($305.70K).

How much institutional selling is happening at Prothena?

Institutional investors have sold a total of 6,627,622 shares in the last 24 months. This volume of shares sold represents approximately $233.73M in transactions.


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This page (NASDAQ:PRTA) was last updated on 12/3/2024 by MarketBeat.com Staff
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