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Atara Biotherapeutics Ownership | Who Owns Atara Biotherapeutics?

OverviewForecastRevenueFinancialsChart

Atara Biotherapeutics Ownership Summary

Atara Biotherapeutics is owned by 19.38% institutional investors, 21.74% insiders, and 58.87% retail investors. Price t rowe associates inc /md/ is the largest institutional shareholder, holding 0% of ATRA shares. Vanguard US Total Market Shares ETF is the top mutual fund, with 2.05% of its assets in Atara Biotherapeutics shares.

ATRA Ownership Benchmark

TypeName% Inst% Insiders% Retail
StockAtara Biotherapeutics19.38%21.74%58.87%
SectorHealthcare Stocks 279.42%10.64%-190.05%
IndustryBiotech Stocks 64.05%10.69%25.27%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

HolderShares% HoldingValue
Price t rowe associates inc /md/---
Geode capital management---
Voya investment management---
Proshare advisors---
Legal & general group---
Renaissance---
Marshall wace, llp---
Ecor1 capital---
Engineers gate manager lp---
Woodline partners lp---

Top Institutional Shareholders by % of Total Assets

HolderShares% AssetsValue
Price t rowe associates inc /md/---
Geode capital management---
Voya investment management---
Proshare advisors---
Legal & general group---
Renaissance---
Marshall wace, llp---
Ecor1 capital---
Engineers gate manager lp---
Woodline partners lp---

Top Buyers

HolderShares% AssetsChange
Citigroup---2.00
Nelson, van denburg & campbell wealth management group---23.00
Eversource wealth advisors---35.00
Nisa investment advisors---50.00
Gamma investing---56.00

Top Sellers

HolderShares% AssetsChange
Ecor1 capital---10.17M
Redmile group---9.26M
Blackrock---6.83M
Bank of america corp /de/---6.58M
Vanguard group---5.01M

Sold Out

HolderChange
Citigroup-2.00
Nelson, van denburg & campbell wealth management group-23.00
Eversource wealth advisors-35.00
Nisa investment advisors-50.00
Gamma investing-56.00

Institutional Ownership Trends

DateHoldingsChange %SharesChange %OwnershipChange %Increased PositionChange %Decreased PositionChange %
Mar 31, 202536-14.29%2,086,297-10.96%194.03%13-43.48%1318.18%
Dec 31, 20242100.00%6380.00%-360000.00%1---
Sep 30, 20241-80.00%35-99.98%-2.78%--100.00%--100.00%
Jun 30, 20245-93.98%182,077-99.78%-0.00%1-97.62%2-92.86%
Mar 31, 202483-9.78%83,283,24828.68%782.13%42-8.70%28-15.15%

Top Mutual Funds Shareholders

HolderShares% HoldingChange
Vanguard US Total Market Shares ETF120.26K2.05%-
Vanguard Total Stock Mkt Idx Inv120.26K1.77%-
Vanguard Institutional Extnd Mkt Idx Tr66.45K0.98%-
Fidelity Extended Market Index29.13K0.43%-76.00
Fidelity VIP Disciplined Small Cap Init16.24K0.24%-1.00
Bridgeway Ultra-Small Company Market14.00K0.23%-
Fidelity Enhanced Small Cap ETF10.45K0.18%-
NT R2000 Value Index Fund - NL255.47K0.18%-
NT R2000 Index Fund - NL9.83K0.17%-1.01K
Fidelity Total Market Index10.59K0.16%-

Recent Insider Transactions

DateNameRoleActivityValue
Jul 17, 2025Panacea Innovation Ltd-Buy$186.37K
May 16, 2025Grant-Huerta Yanina Chief Accounting OfficerSell$15.00K
May 16, 2025Nguyen AnhCo President and CEOSell$22.16K
Mar 03, 2025Nguyen AnhCo President and CEOSell$23.31K
Mar 03, 2025Hyllengren Eric J EVP, CFO and COOSell$8.47K

Insider Transactions Trends

DateBuySell
2025 Q2-2
2025 Q1-3
2024 Q4-3
2024 Q3-12
2024 Q2-5

ATRA Ownership FAQ

Who Owns Atara Biotherapeutics?

Atara Biotherapeutics shareholders are primarily institutional investors at 19.38%, followed by 21.74% insiders and 58.88% retail investors. The average institutional ownership in Atara Biotherapeutics's industry, Biotech Stocks , is 64.05%, which Atara Biotherapeutics falls below.

Who owns the most shares of Atara Biotherapeutics?

Atara Biotherapeutics’s largest shareholders are Price t rowe associates inc /md/ (0 shares, 0%), Geode capital management (0 shares, 0%), and Voya investment management (0 shares, 0%). Together, they hold 0% of Atara Biotherapeutics’s total shares outstanding.

Does Blackrock own Atara Biotherapeutics?

BlackRock is not among the top 10 institutional shareholders of Atara Biotherapeutics.

Who is Atara Biotherapeutics’s biggest shareholder by percentage of total assets invested?

Price t rowe associates inc /md/ is Atara Biotherapeutics’s biggest shareholder by percentage of total assets invested, with 0% of its assets in 0 Atara Biotherapeutics shares, valued at 0$.

Who is the top mutual fund holder of Atara Biotherapeutics shares?

Vanguard US Total Market Shares ETF is the top mutual fund holder of Atara Biotherapeutics shares, with 2.05% of its total shares outstanding invested in 120.26K Atara Biotherapeutics shares.

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