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GRAIL, Inc.

GRAL
Exchange
Nasdaq
Industry
Services-Medical Laboratories
SEC CIK
0001699031

In the last 90 days, GRAIL, Inc. insiders filed 0 open-market purchases and 4 sales; 375 institutions reported holding it in 13F filings for Q2 2026, worth $2.60B in total; no superinvestor holds it.

13F holders, Q1 2026

Institutional positions in GRAIL, Inc. as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
366
−50 vs. Q4 2025
Shares held
35.2M
+7.17M (+25.6%) vs. Q4 2025
Total value
$1.82B
−$580.4M (−24.2%) vs. Q4 2025
New holders
48
102 more added
Sold out
98
112 more reduced

9 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting GRAL on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2026: 366 institutions
Q1 2021: 0 institutionsQ2 2021: 0 institutionsQ3 2021: 0 institutionsQ4 2021: 0 institutionsQ1 2022: 0 institutionsQ2 2022: 0 institutionsQ3 2022: 0 institutionsQ4 2022: 0 institutionsQ1 2023: 0 institutionsQ2 2023: 0 institutionsQ3 2023: 0 institutionsQ4 2023: 0 institutionsQ1 2024: 2 institutionsQ2 2024: 372 institutionsQ3 2024: 311 institutionsQ4 2024: 333 institutionsQ1 2025: 314 institutionsQ2 2025: 344 institutionsQ3 2025: 348 institutionsQ4 2025: 425 institutionsQ1 2026: 366 institutionsQ2 2026: 375 institutions
Value heldQ1 2026: $1.82B
Q1 2021: $0Q2 2021: $0Q3 2021: $0Q4 2021: $0Q1 2022: $0Q2 2022: $0Q3 2022: $0Q4 2022: $0Q1 2023: $0Q2 2023: $0Q3 2023: $0Q4 2023: $0Q1 2024: $2.02KQ2 2024: $332.2MQ3 2024: $280.7MQ4 2024: $477.1MQ1 2025: $613.6MQ2 2025: $1.35BQ3 2025: $1.47BQ4 2025: $2.57BQ1 2026: $1.82BQ2 2026: $2.60B
Institutions holding GRAL and their total value by quarter
QuarterHoldersValue
Q2 2026375$2.60B
Q1 2026366$1.82B
Q4 2025425$2.57B
Q3 2025348$1.47B
Q2 2025344$1.35B
Q1 2025314$613.6M
Q4 2024333$477.1M
Q3 2024311$280.7M
Q2 2024372$332.2M
Q1 20242$2.02K
Q4 20230$0
Q3 20230$0
Q2 20230$0
Q1 20230$0
Q4 20220$0
Q3 20220$0
Q2 20220$0
Q1 20220$0
Q4 20210$0
Q3 20210$0
Q2 20210$0
Q1 20210$0

Institutions, Q1 2026

Shares, value and share of portfolio for each institution holding GRAIL, Inc.; share changes are against Q4 2025.

Institutions holding GRAL in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Granahan Investment Management Inc49,628$2.56M0.12%−880−1.7%Reduced
Aquatic Capital Management LLC50,380$2.60M0.07%+50,380New
Man Group plc51,073$2.64M0.01%+35,848+235.5%Added
Renaissance Technologies LLC55,200$2.85M0.00%−30,100−35.3%Reduced
Rafferty Asset Management, LLC55,423$2.86M0.01%−5,861−9.6%Reduced
FMR LLC56,297$2.91M0.00%−106,947−65.5%Reduced
UBS Asset Management Americas Inc56,983$2.94M0.00%−4,628−7.5%Reduced
Victory Capital Management Inc58,108$3.00M0.00%+20,343+53.9%Added
Rockefeller Capital Management L.P.59,044$3.05M0.01%−9,533−13.9%Reduced
Marshall Wace, LLP59,900$3.10M0.00%+39,700+196.5%Added
Barclays PLC61,316$3.17M0.00%−64,342−51.2%Reduced
Alliancebernstein L.P.38,279$3.28M0.00%−72−0.2%Reduced
Two Sigma Investments, LP64,687$3.34M0.00%−36,762−36.2%Reduced
Gamco Investors, Inc. Et Al66,758$3.45M0.03%+42,100+170.7%Added
Swiss National Bank69,400$3.59M0.00%−2,900−4.0%Reduced
D. E. Shaw & Co., Inc.81,606$4.22M0.00%+41,326+102.6%Added
Legal & General Group Plc86,175$4.45M0.00%+17,826+26.1%Added
American Century Companies Inc90,563$4.68M0.00%+9,087+11.2%Added
JPMorgan Chase & Co116,837$5.48M0.00%−24,641−17.4%Reduced
Wim Investment Management Ltd106,400$5.50M1.63%00.0%Unchanged
Nuveen, LLC107,968$5.58M0.00%+37,118+52.4%Added
First Trust Advisors LP112,122$5.79M0.00%+3,797+3.5%Added
Reynders McVeigh Capital Management, LLC119,065$6.15M0.31%+6,196+5.5%Added
180 Wealth Advisors, LLC127,347$6.58M0.75%+12,300+10.7%Added
Invesco Ltd.128,991$6.67M0.00%−8,976−6.5%Reduced
Capital Fund Management S.A.132,887$6.87M0.06%+19,680+17.4%Added
Bank of New York Mellon Corp133,914$6.92M0.00%−1,894−1.4%Reduced
Braidwell LP142,755$7.38M0.25%00.0%Unchanged
Voleon Capital Management LP144,955$7.49M0.16%−2,951−2.0%Reduced
Franklin Resources Inc147,985$7.65M0.00%+1,850+1.3%Added
BNP Paribas Arbitrage, SA148,775$7.69M0.01%+129,377+667.0%Added
Newtyn Management, LLC150,000$7.75M0.83%00.0%Unchanged
Douglas Lane & Associates, LLC161,524$8.35M0.12%−100−0.1%Reduced
Allianz Asset Management GmbH183,075$9.46M0.01%−84,485−31.6%Reduced
UBS Group AG185,393$9.58M0.00%−27,785−13.0%Reduced
TCW Group Inc191,313$9.89M0.07%−6,000−3.0%Reduced
Natixis199,368$10.3M0.04%+199,368New
Vanguard Fiduciary Trust Co201,229$10.4M0.00%+201,229New
Carnegie Capital Asset Management, LLC217,100$11.2M0.22%+4,050+1.9%Added
Standard Life Aberdeen plc217,428$11.2M0.02%+92,500+74.0%Added
Slow Capital, Inc.228,256$11.8M1.53%+65,839+40.5%Added
Casdin Capital, LLC230,000$11.9M0.90%+230,000New
Charles Schwab Investment Management Inc269,953$14.0M0.00%−874−0.3%Reduced
AQR Capital Management LLC292,004$14.6M0.01%−34,841−10.7%Reduced
Raymond James Financial Inc292,138$15.1M0.00%+33,328+12.9%Added
Citigroup Inc302,136$15.6M0.01%+234,602+347.4%Added
Susquehanna International Group, LLP304,808$15.8M0.02%+286,500+1,564.9%Added
Vanguard Portfolio Management LLC334,906$17.3M0.00%+334,906New
Northern Trust Corp349,137$18.0M0.00%+7,710+2.3%Added
Dimensional Fund Advisors LP408,650$21.1M0.00%+191,857+88.5%Added
Ra Capital Management, L.P.428,266$22.1M0.23%00.0%Unchanged
Goldman Sachs Group Inc581,924$30.1M0.00%+44,938+8.4%Added
Alyeska Investment Group, L.P.645,456$33.4M0.09%+202,956+45.9%Added
Jefferies Financial Group Inc.657,500$34.0M0.41%+657,500New
Geode Capital Management, LLC827,942$42.8M0.00%+26,439+3.3%Added
Bank of America Corp914,114$47.2M0.00%+205,611+29.0%Added
Arbiter Partners Capital Management LLC1,034,597$53.5M36.27%−1,000−0.1%Reduced
Vanguard Capital Management LLC1,527,105$78.9M0.00%+1,527,105New
Morgan Stanley1,632,195$84.4M0.01%+120,508+8.0%Added
Sessa Capital IM, L.P.1,719,314$88.9M1.69%+1,354,600+371.4%Added
Deep Track Capital, LP1,722,797$89.0M1.84%+700,000+68.4%Added
Primecap Management Co1,843,772$95.3M0.08%+5,088+0.3%Added
State Street Corp1,891,893$97.8M0.00%+64,370+3.5%Added
BlackRock, Inc.2,968,536$153.4M0.00%+10,290+0.3%Added
Farallon Capital Management, L.L.C.3,253,684$168.2M1.00%+911,000+38.9%Added
Baker Bros. Advisors LP4,028,614$208.2M1.20%+1,943,281+93.2%Added
CRCM LP0$00.00%−1,072,374−100.0%Sold out
Perceptive Advisors LLC0$00.00%−237,342−100.0%Sold out
BIT Capital GmbH0$00.00%−156,263−100.0%Sold out
Voloridge Investment Management, LLC0$00.00%−152,574−100.0%Sold out
Blue Water Life Science Advisors, LLC0$00.00%−99,000−100.0%Sold out
T. Rowe Price Investment Management, Inc.0$00.00%−86,613−100.0%Sold out
Pier Capital, LLC0$00.00%−51,836−100.0%Sold out
Verition Fund Management LLC0$00.00%−47,528−100.0%Sold out
Gilder Gagnon Howe & Co LLC0$00.00%−43,722−100.0%Sold out
Baird Financial Group, Inc.0$00.00%−31,074−100.0%Sold out
Catalio Capital Management, LP0$00.00%−30,313−100.0%Sold out
EAM Investors, LLC0$00.00%−29,692−100.0%Sold out
Blackstone Group Inc.0$00.00%−23,036−100.0%Sold out
Banque Transatlantique SA0$00.00%−23,000−100.0%Sold out
SG Americas Securities, LLC0$00.00%−19,565−100.0%Sold out
Two Sigma Advisers, LP0$00.00%−18,601−100.0%Sold out
William John Sempolinski0$00.00%−17,975−100.0%Sold out
Change Path, LLC0$00.00%−14,808−100.0%Sold out
Polen Capital Management LLC0$00.00%−13,526−100.0%Sold out
SageGuard Financial Group, LLC0$00.00%−12,511−100.0%Sold out
Wesbanco Bank Inc0$00.00%−12,000−100.0%Sold out
Engineers Gate Manager LP0$00.00%−11,378−100.0%Sold out
Brevan Howard Capital Management LP0$00.00%−11,320−100.0%Sold out
Soleus Capital Management, L.P.0$00.00%−11,000−100.0%Sold out
Y-Intercept (Hong Kong) Ltd0$00.00%−10,702−100.0%Sold out
BBR Partners, LLC0$00.00%−10,001−100.0%Sold out
Schonfeld Strategic Advisors LLC0$00.00%−7,719−100.0%Sold out
Magnetar Financial LLC0$00.00%−7,630−100.0%Sold out
Alessandra Capital Management, LLC0$00.00%−6,118−100.0%Sold out
Algert Global LLC0$00.00%−5,670−100.0%Sold out
Squarepoint Ops LLC0$00.00%−5,072−100.0%Sold out
Jump Financial, LLC0$00.00%−5,066−100.0%Sold out
Level Four Advisory Services, LLC0$00.00%−5,055−100.0%Sold out
Burney Co0$00.00%−4,808−100.0%Sold out