What does CUSIP 869367102 represent in this 13F holders report?

CUSIP 869367102 is the security identifier for STRO - Sutro Biopharma, Inc. - Common Stock, $0.001 par value used to aggregate holder disclosures.

How many institutions held STRO - Sutro Biopharma, Inc. - Common Stock, $0.001 par value in Q1 2021?

136 institutional investors reported STRO - Sutro Biopharma, Inc. - Common Stock, $0.001 par value for Q1 2021. Use the holders table for investor-level position and value details.

Sutro Biopharma, Inc. - Common Stock, $0.001 par value (STRO)

CUSIP: 869367102

Q1 2021 13F Holders as of 31 Mar 2021

Type / Class: Equity / Common Stock, $0.001 par value
Shares outstanding: 84,733,230
Total 13F shares: 44,209,991
Share change: +4,966,585
Total reported value: $1,005,487,689
Put/Call ratio: 25%
Price per share: $22.76
Number of holders: 136
Value change: +$114,863,310
Number of buys: 82
Number of sells: 52

Quarterly Holders Quick Answers

What is CUSIP 869367102?
CUSIP 869367102 identifies STRO - Sutro Biopharma, Inc. - Common Stock, $0.001 par value in SEC institutional holdings data.

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Explore More Reporting Periods

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

Newer quarter: Q2 2021
Previous quarter: Q4 2020

Recent filing periods for CUSIP 869367102:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Top shareholders of STRO - Sutro Biopharma, Inc. - Common Stock, $0.001 par value (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
BlackRock Finance, Inc.	13F	Company	3.2%	2,717,929	$59,006,000	—	31 Dec 2020	13F
EVENTIDE ASSET MANAGEMENT, LLC	13F	Company	2.8%	2,370,975	$51,474,000	—	31 Dec 2020	13F
FRANKLIN RESOURCES INC	13F	Company	2.6%	2,226,923	$48,347,000	—	31 Dec 2020	13F
RA CAPITAL MANAGEMENT, L.P.	13F	Company	2.5%	2,118,212	$45,986,000	—	31 Dec 2020	13F
VANGUARD GROUP INC	13F	Company	2.3%	1,923,619	$41,761,000	—	31 Dec 2020	13F
BVF INC/IL	13F	Company	2.2%	1,854,162	$40,254,000	—	31 Dec 2020	13F
SV Health Investors, LLC	13F	Company	2.2%	1,824,542	$39,611,000	—	31 Dec 2020	13F
BAILLIE GIFFORD & CO	13F	Company	2%	1,695,654	$36,813,000	—	31 Dec 2020	13F
Samsara BioCapital, LLC	13F	Company	2%	1,675,579	$36,377,000	—	31 Dec 2020	13F
Point72 Asset Management, L.P.	13F	Company	1.7%	1,409,314	$30,596,000	—	31 Dec 2020	13F
CITADEL ADVISORS LLC	13F	Company	1.5%	1,293,004	$28,071,000	—	31 Dec 2020	13F
Holocene Advisors, LP	13F	Company	1.3%	1,067,258	$23,170,000	—	31 Dec 2020	13F
SUVRETTA CAPITAL MANAGEMENT, LLC	13F	Company	1.2%	1,035,409	$22,479,000	—	31 Dec 2020	13F
FRAZIER MANAGEMENT LLC	13F	Company	1.2%	1,001,421	$21,741,000	—	31 Dec 2020	13F
First Light Asset Management, LLC	13F	Company	0.98%	827,101	$17,956,000	—	31 Dec 2020	13F
FIL Ltd	13F	Company	0.88%	744,304	$16,158,000	—	31 Dec 2020	13F
Tekla Capital Management LLC	13F	Company	0.83%	702,523	$15,252,000	—	31 Dec 2020	13F
Avidity Partners Management LP	13F	Company	0.74%	626,000	$13,590,000	—	31 Dec 2020	13F
Ikarian Capital, LLC	13F	Company	0.73%	615,360	$13,360,000	—	31 Dec 2020	13F
FMR LLC	13F	Company	0.64%	543,000	$11,789,000	—	31 Dec 2020	13F
ADAGE CAPITAL PARTNERS GP, L.L.C.	13F	Company	0.56%	475,000	$10,312,000	—	31 Dec 2020	13F
STATE STREET CORP	13F	Company	0.53%	452,770	$9,830,000	—	31 Dec 2020	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.49%	418,500	$9,085,000	—	31 Dec 2020	13F
S.c.a. Candriam	13F	Individual	0.43%	368,114	$7,992,000	—	31 Dec 2020	13F
Marshall Wace North America L.P.	13F	Company	0.42%	357,989	$7,773,000	—	31 Dec 2020	13F
ORBIMED ADVISORS LLC	13F	Company	0.41%	350,000	$7,599,000	—	31 Dec 2020	13F
Verition Fund Management LLC	13F	Company	0.38%	325,765	$7,072,000	—	31 Dec 2020	13F
Opaleye Management Inc.	13F	Company	0.38%	322,200	$6,995,000	—	31 Dec 2020	13F
NORTHERN TRUST CORP	13F	Company	0.37%	314,276	$6,822,000	—	31 Dec 2020	13F
MARSHALL WACE, LLP	13F	Company	0.37%	313,100	$6,798,000	—	31 Dec 2020	13F
Pentwater Capital Management LP	13F	Company	0.34%	284,501	$6,177,000	—	31 Dec 2020	13F
Altium Capital Management LLC	13F	Company	0.33%	276,719	$6,008,000	—	31 Dec 2020	13F
MILLENNIUM MANAGEMENT LLC	13F	Company	0.32%	269,484	$5,850,000	—	31 Dec 2020	13F
Parkman Healthcare Partners LLC	13F	Company	0.31%	266,645	$5,789,000	—	31 Dec 2020	13F
Nuveen Asset Management, LLC	13F	Company	0.31%	264,323	$5,738,000	—	31 Dec 2020	13F
DRIEHAUS CAPITAL MANAGEMENT LLC	13F	Company	0.31%	260,600	$5,658,000	—	31 Dec 2020	13F
BARCLAYS PLC	13F	Company	0.27%	230,119	$4,995,000	—	31 Dec 2020	13F
SPHERA FUNDS MANAGEMENT LTD.	13F	Company	0.24%	201,600	$4,377,000	—	31 Dec 2020	13F
Affinity Asset Advisors, LLC	13F	Company	0.24%	200,000	$4,342,000	—	31 Dec 2020	13F
SILVERARC CAPITAL MANAGEMENT, LLC	13F	Company	0.22%	185,000	$4,016,000	—	31 Dec 2020	13F
JANUS HENDERSON GROUP PLC	13F	Company	0.22%	182,913	$3,962,000	—	31 Dec 2020	13F
Woodline Partners LP	13F	Company	0.22%	182,179	$3,955,000	—	31 Dec 2020	13F
AJU IB Investment Co., Ltd.	13F	Company	0.21%	175,000	$3,799,000	—	31 Dec 2020	13F
Endurant Capital Management LP	13F	Company	0.2%	172,047	$3,735,000	—	31 Dec 2020	13F
Asymmetry Capital Management, L.P.	13F	Company	0.19%	157,583	$3,421,000	—	31 Dec 2020	13F
JACOBS LEVY EQUITY MANAGEMENT, INC	13F	Company	0.19%	157,301	$3,415,000	—	31 Dec 2020	13F
KENNEDY CAPITAL MANAGEMENT LLC	13F	Company	0.18%	150,283	$3,263,000	—	31 Dec 2020	13F
VICTORY CAPITAL MANAGEMENT INC	13F	Company	0.17%	146,146	$3,173,000	—	31 Dec 2020	13F
J. Goldman & Co LP	13F	Company	0.17%	144,616	$3,140,000	—	31 Dec 2020	13F
Maven Securities LTD	13F	Company	0.17%	140,000	$3,056,000	—	31 Dec 2020	13F

Institutional Holders of Sutro Biopharma, Inc. - Common Stock, $0.001 par value (STRO) as of Q1 2021

As of 31 Mar 2021, Sutro Biopharma, Inc. - Common Stock, $0.001 par value (STRO) was held by 136 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 44,209,991 shares. The largest 10 holders included BlackRock Inc., FRANKLIN RESOURCES INC, STATE STREET CORP, EVENTIDE ASSET MANAGEMENT, LLC, RA CAPITAL MANAGEMENT, L.P., First Light Asset Management, LLC, VANGUARD GROUP INC, SV Health Investors, LLC, BAILLIE GIFFORD & CO, and Samsara BioCapital, LLC. This page lists 136 institutional shareholders reporting positions in this security for the Q1 2021 filing period.

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

Compare Q1 2021 vs Q4 2020 Across Filers

Q4 2020 holders

132

Q1 2021 holders

136

Holder diff

Investor	Q4 2020 Shares	Q1 2021 Shares	Share Diff	Share Chg %	Q4 2020 Value $	Q1 2021 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.