Primecap Management’s Adaptive Biotechnologies ADPT Stock Holding History

Primecap Management’s Portfolio ADPT Stock Details ADPT Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2024 Q4	–	Sell	-76,030	Closed	-$389K	–	330
2024 Q3	$389K	Sell	76,030 -70,160	-48%	-$306K	﹤0.01%	330
2024 Q2	$529K	Hold	146,190	–	–	﹤0.01%	326
2024 Q1	$469K	Hold	146,190	–	–	﹤0.01%	329
2023 Q4	$716K	Hold	146,190	–	–	﹤0.01%	325
2023 Q3	$797K	Hold	146,190	–	–	﹤0.01%	319
2023 Q2	$981K	Hold	146,190	–	–	﹤0.01%	314
2023 Q1	$1.29M	Hold	146,190	–	–	﹤0.01%	307
2022 Q4	$1.12M	Sell	146,190 -4,310	-3%	-$33.5K	﹤0.01%	312
2022 Q3	$1.07M	Hold	150,500	–	–	﹤0.01%	314
2022 Q2	$1.22M	Sell	150,500 -45,000	-23%	-$396K	﹤0.01%	316
2022 Q1	$2.71M	Sell	195,500 -5,000	-2%	-$78.6K	﹤0.01%	305
2021 Q4	$5.63M	Sell	200,500 -5,000	-2%	-$153K	﹤0.01%	288
2021 Q3	$6.99M	Sell	205,500 -14,000	-6%	-$506K	﹤0.01%	280
2021 Q2	$8.97M	Buy	219,500 +9,000	+4%	+$350K	0.01%	265
2021 Q1	$8.47M	Buy	210,500 +82,000	+64%	+$4.44M	0.01%	266
2020 Q4	$7.6M	Sell	128,500 -44,000	-26%	-$2.27M	0.01%	268
2020 Q3	$8.39M	Buy	172,500 +22,000	+15%	+$925K	0.01%	245
2020 Q2	$7.28M	Hold	150,500	–	–	0.01%	237
2020 Q1	$4.18M	Buy	+150,500	New	+$4.2M	﹤0.01%	244

Other funds holding ADPT

Viking Global Investors Stamford, Connecticut $35.1B AUM 21.36% 1-Year Est. Return

RCMNY

Rubric Capital Management (New York) New York $10.9B AUM 70.31% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

AIM

ARK Investment Management St. Petersburg, Florida $15.4B AUM 50.29% 1-Year Est. Return

Sumitomo Mitsui Trust Group Minato-Ku, Tokyo, Japan $175B AUM 40.63% 1-Year Est. Return

NAMA

Nikko Asset Management Americas New York $7.75B AUM 33.73% 1-Year Est. Return

Millennium Management New York $276B AUM 44.8% 1-Year Est. Return

Massachusetts Financial Services Boston, Massachusetts $315B AUM 27.84% 1-Year Est. Return

SCM

Soleus Capital Management Greenwich, Connecticut $2.9B AUM 169.69% 1-Year Est. Return

Primecap Management's ADPT Position: Q4 2024 in Review

Primecap Management sold out of Adaptive Biotechnologies (ADPT) in Q4 2024, closing a stake of 76,030 shares — an estimated $389K sold.

Primecap Management first reported a position in ADPT in Q1 2020 and held it in 19 quarters. The position peaked at $8.97M in Q2 2021. 207 funds tracked by Wall St. Rank hold ADPT as of Q4 2024.

Primecap Management reported no remaining Adaptive Biotechnologies position as of Q4 2024 after selling out during the quarter.
Primecap Management sold 76,030 Adaptive Biotechnologies shares in Q4 2024, an estimated $389K.
Primecap Management first reported a position in Adaptive Biotechnologies in Q1 2020 and held it in 19 quarters.
Primecap Management's Adaptive Biotechnologies position peaked at $8.97M in Q2 2021.
207 funds tracked by Wall St. Rank held Adaptive Biotechnologies as of Q4 2024.

Based on Primecap Management's 13F filing for Q4 2024, filed 10 Feb 2025.