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UBS Group AG

Position in ATRA — Atara Biotherapeutics, Inc.

CIK 1610520 ZURICH, V8

Position in ATRA

as of Jun 30, 2026 · filed Aug 13, 2026
Position Value
$45,678
-$191,152 QoQ
Shares Held
3,979
-92.1% QoQ
Ownership
0.040%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#22
of 36 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in ATRA Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Jun 30, 2026

UBS Group AG holds $8,789,681,375 across 562 Biotechnology names. ATRA ranks #398 (0.0% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in ATRA

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26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $45,678 3,979
2026-03-31 $236,830 50,070
2025-12-31 $25,271 1,397
2025-09-30 $247,449 17,268
2025-06-30 $64,730 8,385
2025-03-31 $144,542 24,334
2024-12-31 $11,100 834
2024-09-30 $3,268 402
2024-06-30 $3,425 403
2024-03-31 $73,886 106,465
2023-12-31 $1,894,623 3,693,225
2023-09-30 $86,567 58,492
2023-06-30 $82,713 51,375
2023-03-31 $970,300 334,587
2022-12-31 $1,165,288 355,271
2022-09-30 $324,376 85,814
2022-06-30 $317,970 40,818
2022-03-31 $2,315,838 249,283
2021-12-31 $3,870,560 245,594
2021-09-30 $2,422,226 135,320
2021-06-30 $494,536 31,803
2021-03-31 $1,474,728 102,697
2020-12-31 $64,798 3,301
2020-09-30 $49,700 3,835
2020-06-30 $72,499 4,976
2020-03-31 $84,742 9,958