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ADPT — ADAPTIVE BIOTECHNOLOGIES COR

Reported value held$2.05B
Funds holding (latest)48
SectorHealth Care
Funds holding (Q2 2026)37
Institutional value$1.81B · 86.92M sh
New / Add / Cut / Exit1 / 18 / 13 / 5
Top-5 / Top-10 concentration70.4% / 86.8%
Institutional holdings change Accumulating +8.2% (+6.56M sh)
Institutional value change Up +65.3%

As of Q2 2026, 37 SEC-registered investment managers reported holding ADPT (ADAPTIVE BIOTECHNOLOGIES COR) in their latest 13F filings, with a combined reported value of $1.81B across 86.92M shares. That is +8.2% by share count (+6.56M shares) versus the previous quarter, while reported value moved +65.3%. Ownership is concentrated: the five largest holders account for 70.4% of reported value and the top ten for 86.8%.

Compared with the prior quarter, 1 opened new positions, 18 added to existing stakes, 13 trimmed, 5 exited entirely. 13F holdings are quarter-end snapshots, so these moves reflect positioning as of Q2 2026, not real-time trading.

ADPT is classified in the Health Care sector.

All figures on this page are computed from SEC Form 13F quarterly filings. 13F filers disclose long positions of $100,000 or more within 45 days of quarter end; short positions, options overlays and intra-quarter trades are not included, so treat the numbers as a quarterly snapshot of institutional ownership rather than real-time positioning.

FundQuarterSharesValuePortfolio WeightChange
Viking Global Investors history Q2 2026 29.99M $643.37M 1.86% Hold
BlackRock Inc history Q2 2026 15.14M $324.73M 0.01% Add
Vanguard Group history Q4 2025 11.28M $183.22M 0.00% Hold
Wellington Management Group history Q2 2026 5.91M $126.80M 0.02% Add
D. E. Shaw & Co history Q2 2026 4.63M $99.22M 0.05% Add
Geode Capital Management history Q2 2026 3.64M $78.13M 0.00% Hold
UBS Group AG history Q2 2026 3.13M $67.15M 0.01% Add
Invesco Ltd history Q2 2026 3.09M $66.37M 0.01% Reduce
Goldman Sachs Group history Q2 2026 2.98M $64.01M 0.01% Reduce
Arrowstreet Capital history Q2 2026 2.52M $54.15M 0.02% Add
ARK Invest history Q2 2026 2.09M $44.84M 0.29% Hold
Bank of America Corp history Q2 2026 1.73M $37.11M 0.00% Add
Northern Trust Corp history Q2 2026 1.51M $32.33M 0.00% Add
Charles Schwab Investment Management history Q2 2026 1.18M $25.28M 0.00% Add
MFS Investment Management history Q2 2026 1.07M $22.99M 0.01% Hold
Morgan Stanley history Q2 2026 766.23K $16.44M 0.00% Reduce
Fidelity Management & Research (FMR) history Q2 2026 709.53K $15.22M 0.00% Add
Point72 Asset Management history Q1 2026 1.02M $14.18M 0.02% Add
Casdin Capital history Q1 2022 1.00M $13.88M 0.63% Hold
Baron Funds history Q3 2021 352.82K $11.99M 0.03% New

View all 48 fund holders →

New Positions (Q2 2026)

Fully Exited (vs previous quarter)

Fund Position History — shares by quarter (top 20 funds)

FundQ3 2021Q4 2021Q1 2022Q2 2022Q3 2022Q4 2022Q1 2023Q2 2023Q3 2023Q4 2023Q1 2024Q2 2024Q3 2024Q4 2024Q1 2025Q2 2025Q3 2025Q4 2025Q1 2026Q2 2026
Viking Global Investors 29.99M 29.99M 29.99M 29.99M 29.99M 29.99M 29.99M 29.99M 29.99M 29.99M 29.99M 29.99M 29.99M 29.99M 29.99M 29.99M 29.99M 29.99M 29.99M 29.99M
BlackRock Inc — — — — — — — — — — — — 11.93M 12.12M 12.23M 13.67M 13.36M 13.33M 13.30M 15.14M
Wellington Management Group — — — — — — — — — — — — — — — — 501.08K 2.17M 3.86M 5.91M
D. E. Shaw & Co — — 132.20K 156.18K 58.68K 116.18K 227.73K 87.95K 131.27K 41.74K — — — — — 608.28K 738.18K 1.90M 1.97M 4.63M
Geode Capital Management 1.39M 1.44M 1.41M 2.03M 2.05M 2.15M 2.22M 2.29M 2.42M 2.52M 2.58M 2.68M 2.66M 2.68M 2.78M 3.22M 3.40M 3.51M 3.64M 3.64M
UBS Group AG 52.06K 49.60K 49.65K 25.28K 27.00K 62.14K 86.86K 102.34K 90.32K 132.52K 143.62K 56.63K 73.15K 397.26K 275.62K 455.41K 253.98K 511.93K 225.99K 3.13M
Invesco Ltd 1.51M 1.55M 145.80K 94.50K 91.72K 94.09K 106.41K 110.19K 107.33K 108.54K 174.56K 171.86K 168.61K 173.59K 552.53K 908.41K 891.06K 3.11M 4.45M 3.09M
Goldman Sachs Group 1.27M 1.32M 1.18M 1.34M 1.91M 1.29M 1.50M 2.15M 1.70M 804.06K 626.72K 1.05M 1.75M 2.24M 2.01M 2.03M 1.88M 2.90M 3.24M 2.98M
Arrowstreet Capital — — — — — — — — — — — — — — 45.74K 379.12K 2.44M 2.42M 2.00M 2.52M
ARK Invest 4.86M 5.70M 7.71M 8.77M 9.34M 9.20M 9.21M 10.45M 11.51M 12.81M 10.56M 11.41M 11.60M 9.42M 7.73M 4.02M 3.17M 2.14M 2.09M 2.09M
Bank of America Corp 188.25K 232.89K 209.47K 170.68K 167.38K 141.32K 445.18K 132.02K 235.38K 98.82K 517.27K 1.14M 779.13K 241.00K 1.47M 1.86M 1.60M 806.27K 1.23M 1.73M
Northern Trust Corp 478.22K 466.41K 464.26K 1.01M 1.17M 995.41K 1.03M 1.05M 1.03M 1.04M 1.02M 927.88K 963.53K 1.09M 1.05M 1.23M 1.23M 1.17M 1.39M 1.51M
Charles Schwab Investment Management 821.62K 840.67K 859.77K 1.09M 798.35K 824.40K 823.32K 837.89K 859.07K 755.93K 869.78K 906.48K 916.74K 956.57K 922.74K 1.04M 1.15M 1.17M 1.15M 1.18M
MFS Investment Management 2.22M 2.43M — 843.08K 1.21M 1.35M 2.28M 2.12M 1.97M 2.60M 2.59M 3.91M 2.88M 3.37M 2.31M 1.46M 1.24M 922.50K 1.07M 1.07M
Morgan Stanley 464.63K 391.68K 507.25K 1.15M 1.02M 1.41M 713.92K 660.51K 404.78K 943.80K 669.13K 516.46K 1.05M 1.19M 1.13M 1.30M 1.07M 1.15M 967.12K 766.23K
Fidelity Management & Research (FMR) 1.28K 1.14M 6.19K 12.49K 87.11K 91.12K 91.18K 113.02K 118.30K 106.19K 106.18K 115.60K 233.57K 255.74K 288.47K 291.11K 324.50K 386.08K 567.03K 709.53K
Millennium Management 46.11K 151.19K 589.83K 657.83K 791.82K 1.05M 298.04K 187.96K — — 835.76K 9.26M 9.40M 6.29M 3.00M 1.01M 397.31K 18.36K 1.08M 504.91K
JPMorgan Chase & Co 183.38K 279.66K 329.12K 560.79K 544.24K 403.39K 384.41K 311.20K 302.12K 281.97K 213.51K 902.56K 887.83K 659.21K 1.08M 1.03M 235.67K 265.75K — 488.39K
BNY Mellon 931.37K 929.19K 905.77K 379.43K 398.33K 391.56K 381.21K 373.58K 375.91K 414.98K 395.34K 460.13K 369.69K 363.91K 358.07K 410.55K 424.51K 413.25K 401.90K 429.23K
AQR Capital Management — — 163.29K 87.87K 39.56K 70.42K 41.62K 25.66K 13.21K 39.52K 52.88K 182.08K 261.96K 212.83K 310.27K 432.40K 609.00K 468.44K 485.23K 362.92K

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