ATRA
Atara Biotherapeutics, Inc.
NASDAQ Healthcare
9,92 $US
-3.41% today
-44.18% YTD · +7.48% 1Y
4
Insider transactions
SEC Form 4 · AMF · BaFin — rolling 90 days
11
Hedge funds tracked
200+ 13F SEC funds, updated quarterly
16
Thematic ETFs
ARK, NANC, GOP, GURU, BUZZ, JEPI, ITA…
24h
Frequency
Daily 5AM UTC pipeline · 2-year historical DB
62
/ 100
STRONG

Kairos Score: 62/100

Composite score aggregating 8 smart money dimensions: insiders (SEC/AMF/BaFin), hedge funds, politicians & gurus, price momentum, valuation, analyst consensus, financial health, earnings momentum. The higher the score, the more favorable the institutional signals consensus.

💡 Detailed breakdown (the 8 sub-scores) available in the Premium dashboard.

About Atara Biotherapeutics, Inc.

Atara Biotherapeutics, Inc. engages in the development of transformative therapies for patients with cancer and autoimmune disease in the United States and internationally. Its lead product includes Tab-cel (tabelecleucel), a T-cell immunotherapy program that is in Phase 3 clinical trials for the treatment of epstein-barr virus (EBV) with post-transplant lymphoproliferative disease, as well as other EBV-driven diseases. It also develops ATA3219, an allogeneic CAR T targeting CD19 intended to target B-cell malignancies and autoimmune diseases. T...

Key info

👥
Employees
14
💰
Market cap
84 441 738,00 $US
🚀
IPO
Oct 16, 2014

🕴️ Insider activity (90 days)

4 transactions — including 0 buys declared by Atara Biotherapeutics, Inc. executives to SEC / AMF / BaFin.

GY
Grant-Huerta Yanina
Chief Accounting Officer · 2026-05-18
Other
NA
Nguyen AnhCo
President and CEO · 2026-05-18
Other
PI
Panacea Innovation Ltd
2026-05-07
Other

🏦 Hedge Funds

11 institutional funds report a position on ATRA in their latest SEC quarterly filing.

VANGUARD GROUP INC
TIAA CREF INVESTMENT MANAGEMENT LLC
ADAGE CAPITAL PARTNERS GP, L.L.C.
MACKENZIE FINANCIAL CORP
VANGUARD CAPITAL MANAGEMENT LLC

📰 Recent news

15 recent articles on ATRA.

🧠 What makes Kairos Insider

Beyond raw data, we aggregate and score every smart money signal to give you a unique view.

🧠

Kairos Score 0-100

8-dimension composite score: insiders · hedge funds · politicians · momentum · valuation · health · analysts · earnings.

🎯

Insider Clusters

Automatic detection when 3+ executives buy the same stock simultaneously — historically the most reliable signal.

🏦

13F Hedge Funds

Berkshire (Buffett), Pershing Square (Ackman), Tiger Global, Bridgewater + 200 more. Who buys what, each quarter.

📈

ETF Rotations

NANC & GOP (Pelosi & Republicans), GURU (top hedge funds), ARK (Cathie Wood). See who enters and exits each week.

🔥

Google Trends

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📧

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Official sources · Public data · SEC EDGAR — Form 4 & 13F · AMF — Executive filings · BaFin — Directors' Dealings · Yahoo Finance · Alpha Vantage

🔓 Unlock the full analysis

This public page only shows a preview. The full analysis of ATRA on the Kairos Insider dashboard includes:

✅ Full Kairos Score (8-axis radar + synthesis)
✅ History of all 4 insider transactions over 90 days
✅ All 11 hedge funds (among 200+ tracked)
✅ 11 thematic ETFs (ARK, BUZZ, NANC, GOP, JEPI…)
✅ Hot Stocks Google Trends
✅ 2-year history: AUM + rotations
✅ Fundamentals (P/E, PEG, EV/EBITDA, ROE…)
✅ Financial health (Altman Z, Piotroski F)
✅ Sector peers + 6-quarter earnings
See full analysis →
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