Form 13-F position report

ADAPTIVE BIOTECHNOLOGIES CORP

Reported by Senator Investment Group LP

ADPT CUSIP 00650F109 Manager CIK 0001443689

Reported 1,000,000 shares, unchanged from the prior quarter.

Reported value 7.3%; share count 0.0% vs. the prior quarter.

Unchanged
% of reported 13F value 0.69% This manager · Q4 2022
Shares 1,000,000 Quarter-end amount reported
Reported value $7,640,000 Fair value at quarter end
Consecutive quarters held 15 Through Q4 2022

Reported position value by quarter

Reported position value by quarter

Each bar is a Form 13-F quarter-end snapshot. It does not show trades made within the quarter.

Reported position value by quarter
Date Holding Value
2021-09-30 33990000
2021-12-31 28060000
2022-03-31 13880000
2022-06-30 8090000
2022-09-30 7120000
2022-12-31 7640000
2023-03-31 4415000
2023-06-30 3355000
2023-09-30 0

Quarterly position history

How this manager's reported quarter-end position changed over time.

9 quarters
Quarterly reported position history for ADAPTIVE BIOTECHNOLOGIES CORP held by Senator Investment Group LP.
Quarter Activity Shares Change % of reported 13F Reported value Filed Source filing
Q3 2023 Reduced 0 -500,000 (-100.0%) 0 $0 2023-11-14
Q2 2023 Unchanged 500,000 0 (0.0%) 0.15% $3,355,000 2023-08-11
Q1 2023 Reduced 500,000 -500,000 (-50.0%) 0.24% $4,415,000 2023-05-12
Q4 2022 Unchanged 1,000,000 0 (0.0%) 0.69% $7,640,000 2023-02-14
Q3 2022 Unchanged 1,000,000 0 (0.0%) 0.65% $7,120,000 2022-11-10
Q2 2022 Unchanged 1,000,000 0 (0.0%) 0.58% $8,090,000 2022-08-15
Q1 2022 Unchanged 1,000,000 0 (0.0%) 0.43% $13,880,000 2022-05-13
Q4 2021 Unchanged 1,000,000 0 (0.0%) 0.54% $28,060,000 2022-02-11
Q3 2021 Unchanged 1,000,000 0 (0.0%) 0.58% $33,990,000 2021-11-12
Five years are shown. A free account unlocks the complete reported history. Unlock full history

Who else reported the position

248 managers reported ADAPTIVE BIOTECHNOLOGIES CORP for Q4 2022.

Managers reporting ADAPTIVE BIOTECHNOLOGIES CORP in Q4 2022.
Manager Activity Shares Change % of reported 13F Reported value Tenure
VIKING GLOBAL INVESTORS LP Unchanged 29,993,708 0 1.15% $229,151,929 15 qtrs
BlackRock Inc Added 12,374,197 +2,254,788 < 0.01% $94,538,865 15 qtrs
VANGUARD GROUP INC Added 11,794,168 +122,385 < 0.01% $90,107,444 15 qtrs
Matrix Capital Management Company LP Unchanged 11,572,590 0 1.69% $88,414,588 15 qtrs
ARK Investment Management LLC Reduced 9,201,245 -135,374 0.61% $70,297,512 11 qtrs
Sumitomo Mitsui Trust Holdings Inc Added 5,352,315 +514,124 0.03% $40,891,687 12 qtrs
Nikko Asset Management Americas Inc Added 5,352,315 +514,124 0.59% $40,731,117 11 qtrs
Blue Water Life Science Advisors LP Reduced 3,030,434 -570,000 15.55% $23,152,516 3 qtrs
Bellevue Group AG Reduced 2,960,131 -319,489 0.3% $22,615,401 7 qtrs
STATE STREET CORPORATION Added 2,501,453 +25,018 < 0.01% $19,111,101 14 qtrs
Premium adds each manager's conviction percentile across reporting peers.
Filing details and methodology As reported
Report period
December 31, 2022
Filed
February 14, 2023
Filing type
13F-HR
Position type
COM

Voting authority reported

Sole
1,000,000
Shared
0
None
0

“None” means the manager reported no voting authority for those shares on non-routine matters. It does not disclose why and is not evidence of securities lending.

Form 13-F is a delayed quarter-end snapshot of disclosed long Section 13(f) securities. It can be filed up to 45 days after quarter end, excludes short positions and most non-U.S. securities, and does not reveal intra-quarter trading. For options, reported shares and value describe the underlying-share exposure; strike, expiry, premium, and written positions are not disclosed.