How many institutions held GRTS - Gritstone bio, Inc. - Common Stock, $0.0001 par value per share in Q4 2018?

51 institutional investors reported GRTS - Gritstone bio, Inc. - Common Stock, $0.0001 par value per share for Q4 2018. Use the holders table for investor-level position and value details.

Gritstone bio, Inc. - Common Stock, $0.0001 par value per share (GRTS)

Q: What does CUSIP 39868T105 represent in this 13F holders report?

CUSIP 39868T105 is the security identifier for GRTS - Gritstone bio, Inc. - Common Stock, $0.0001 par value per share used to aggregate holder disclosures.

CUSIP: 39868T105

Q4 2018 13F Holders as of 31 Dec 2018

Type / Class: Equity / Common Stock, $0.0001 par value per share
Shares outstanding: 160,529,963
Total 13F shares: 18,138,333
Share change: +3,947,612
Total reported value: $278,950,649
Price per share: $15.45
Number of holders: 51
Value change: +$62,505,876
Number of buys: 32
Number of sells: 29

Quarterly Holders Quick Answers

What is CUSIP 39868T105?
CUSIP 39868T105 identifies GRTS - Gritstone bio, Inc. - Common Stock, $0.0001 par value per share in SEC institutional holdings data.

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Latest Schedule 13D/13G reports for ownership changes outside the 13F cadence.
SEC investors directory for manager drilldown.

Explore More Reporting Periods

Jump to adjacent filing periods for faster comparison and easier crawl discovery.

Newer quarter: Q1 2019
Previous quarter: Q3 2018

Recent filing periods for CUSIP 39868T105:

Q4 2025 Q3 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024 Q1 2024 Q4 2023

Top shareholders of GRTS - Gritstone bio, Inc. - Common Stock, $0.0001 par value per share (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
Redmile Group, LLC	13F	Company	1.4%	2,242,636	$31,935,000	—	30 Sep 2018	13F
FRAZIER MANAGEMENT LLC	13F	Company	1.3%	2,061,762	$29,359,000	—	30 Sep 2018	13F
FMR LLC	13F	Company	1%	1,650,000	$23,496,000	—	30 Sep 2018	13F
PFM Health Sciences, LP	13F	Company	0.66%	1,065,313	$14,257,000	—	30 Sep 2018	13F
Alphabet Inc.	13F	Company	0.58%	929,022	$13,229,000	—	30 Sep 2018	13F
Casdin Capital, LLC	13F	Company	0.45%	720,586	$10,261,000	—	30 Sep 2018	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.18%	295,711	$4,211,000	—	30 Sep 2018	13F
Artal Group S.A.	13F	Company	0.12%	200,000	$2,848,000	—	30 Sep 2018	13F
Wildcat Capital Management, LLC	13F	Company	0.12%	194,500	$2,770,000	—	30 Sep 2018	13F
Foresite Capital Management IV, LLC	13F	Company	0.11%	175,000	$2,492,000	—	30 Sep 2018	13F
JPMORGAN CHASE & CO	13F	Company	0.09%	145,000	$2,065,000	—	30 Sep 2018	13F
PointState Capital LP	13F	Company	0.08%	130,000	$1,851,000	—	30 Sep 2018	13F
Laurion Capital Management LP	13F	Company	0.08%	125,000	$1,780,000	—	30 Sep 2018	13F
Alyeska Investment Group, L.P.	13F	Company	0.07%	113,300	$1,613,000	—	30 Sep 2018	13F
VICTORY CAPITAL MANAGEMENT INC	13F	Company	0.06%	100,000	$1,424,000	—	30 Sep 2018	13F
MILLENNIUM MANAGEMENT LLC	13F	Company	0.05%	86,522	$1,232,000	—	30 Sep 2018	13F
Ghost Tree Capital, LLC	13F	Company	0.05%	75,000	$1,068,000	—	30 Sep 2018	13F
PURA VIDA INVESTMENTS, LLC	13F	Company	0.05%	75,000	$1,068,000	—	30 Sep 2018	13F
VANGUARD GROUP INC	13F	Company	0.05%	74,614	$1,062,000	—	30 Sep 2018	13F
TIVERTON ASSET MANAGEMENT LLC	13F	Company	0.05%	73,039	$1,040,000	—	30 Sep 2018	13F
CITADEL ADVISORS LLC	13F	Company	0.04%	64,306	$916,000	—	30 Sep 2018	13F
Elkfork Partners LLC	13F	Company	0.04%	59,500	$847,000	—	30 Sep 2018	13F
Glen Harbor Capital Management LLC	13F	Company	0.03%	49,000	$698,000	—	30 Sep 2018	13F
WELLS FARGO & COMPANY/MN	13F	Company	0.03%	40,595	$578,000	—	30 Sep 2018	13F
Meadow Creek Investment Management LLC	13F	Company	0.02%	38,500	$548,000	—	30 Sep 2018	13F
Flinton Capital Management LLC	13F	Company	0.02%	28,000	$399,000	—	30 Sep 2018	13F
Marshall Wace North America L.P.	13F	Company	0.02%	27,045	$385,000	—	30 Sep 2018	13F
HBK INVESTMENTS L P	13F	Company	0.02%	25,000	$356,000	—	30 Sep 2018	13F
DC Investments Management, LLC	13F	Company	0.01%	20,760	$296,000	—	30 Sep 2018	13F
ALLIANCEBERNSTEIN L.P.	13F	Company	0.01%	20,000	$285,000	—	30 Sep 2018	13F
Asymmetry Capital Management, L.P.	13F	Company	0.01%	20,000	$285,000	—	30 Sep 2018	13F
Pentwater Capital Management LP	13F	Company	0.01%	17,100	$244,000	—	30 Sep 2018	13F
Partner Investment Management, L.P.	13F	Company	0.01%	13,092	$165,000	—	30 Sep 2018	13F
BARCLAYS PLC	13F	Company	0.01%	10,000	$142,000	—	30 Sep 2018	13F
NORGES BANK	13F	Company	0.01%	10,000	$142,000	—	30 Sep 2018	13F
Point72 Asset Management, L.P.	13F	Company	0.01%	10,000	$142,000	—	30 Sep 2018	13F
RIVERHEAD CAPITAL MANAGEMENT LLC	13F	Company	0.01%	9,900	$141,000	—	30 Sep 2018	13F
Point72 Hong Kong Ltd	13F	Company	0%	6,818	$97,000	—	30 Sep 2018	13F
Clarus Ventures, LLC	13F	Company	1.6%	2,567,445	$36,560	—	30 Sep 2018	13F
FNY Investment Advisers, LLC	13F	Company	0%	1,267	$18,000	—	30 Sep 2018	13F
Cable Hill Partners, LLC	13F	Company	0%	800	$10,000	—	30 Sep 2018	13F
Walleye Capital LLC	13F	Company	0%	473	$7,000	—	30 Sep 2018	13F
Catalyst Capital Advisors LLC	13F	Company	0%	468	$7,000	—	30 Sep 2018	13F

Institutional Holders of Gritstone bio, Inc. - Common Stock, $0.0001 par value per share (GRTS) as of Q4 2018

As of 31 Dec 2018, Gritstone bio, Inc. - Common Stock, $0.0001 par value per share (GRTS) was held by 51 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 18,138,333 shares. The largest 10 holders included Svennilson Peter, FMR LLC, Blackstone Group L.P., Redmile Group, LLC, FRAZIER MANAGEMENT LLC, Partner Fund Management, L.P., Alphabet Inc., Casdin Capital, LLC, BlackRock Inc., and Vanguard Group Inc. This page lists 51 institutional shareholders reporting positions in this security for the Q4 2018 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q4 2018 vs Q3 2018 Across Filers

Q3 2018 holders

Q4 2018 holders

Holder diff

Investor	Q3 2018 Shares	Q4 2018 Shares	Share Diff	Share Chg %	Q3 2018 Value $	Q4 2018 Value $	Value Diff $	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.