How many institutions held STRO - Sutro Biopharma, Inc. - Common Stock, $0.001 par value per share in Q2 2021?

121 institutional investors reported STRO - Sutro Biopharma, Inc. - Common Stock, $0.001 par value per share for Q2 2021. Use the holders table for investor-level position and value details.

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

Q: 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 per share used to aggregate holder disclosures.

CUSIP: 869367102

Q2 2021 13F Holders as of 30 Jun 2021

Type / Class: Equity / Common Stock, $0.001 par value per share
Shares outstanding: 16,607,375
Total 13F shares: 41,241,047
Share change: -3,119,270
Total reported value: $766,657,023
Put/Call ratio: 88%
Price per share: $18.59
Number of holders: 121
Value change: -$71,886,996
Number of buys: 62
Number of sells: 66

Quarterly Holders Quick Answers

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

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SEC investors directory for manager drilldown.

Explore More Reporting Periods

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

Newer quarter: Q3 2021
Previous quarter: Q1 2021

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 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
BlackRock Finance, Inc.	13F	Company	19%	3,101,973	$70,601,000	—	31 Mar 2021	13F
FRANKLIN RESOURCES INC	13F	Company	16%	2,646,804	$60,241,000	—	31 Mar 2021	13F
STATE STREET CORP	13F	Company	15%	2,514,164	$57,222,000	—	31 Mar 2021	13F
EVENTIDE ASSET MANAGEMENT, LLC	13F	Company	14%	2,370,975	$53,963,000	—	31 Mar 2021	13F
RA CAPITAL MANAGEMENT, L.P.	13F	Company	13%	2,118,212	$48,211,000	—	31 Mar 2021	13F
First Light Asset Management, LLC	13F	Company	12%	2,058,447	$46,850,000	—	31 Mar 2021	13F
VANGUARD GROUP INC	13F	Company	12%	2,039,989	$46,431,000	—	31 Mar 2021	13F
SV Health Investors, LLC	13F	Company	11%	1,824,542	$41,527,000	—	31 Mar 2021	13F
BAILLIE GIFFORD & CO	13F	Company	10%	1,695,654	$38,593,000	—	31 Mar 2021	13F
Samsara BioCapital, LLC	13F	Company	10%	1,675,579	$38,136,000	—	31 Mar 2021	13F
Holocene Advisors, LP	13F	Company	8.6%	1,423,205	$32,392,000	—	31 Mar 2021	13F
LOOMIS SAYLES & CO L P	13F	Company	8.2%	1,354,993	$30,840,000	—	31 Mar 2021	13F
SUVRETTA CAPITAL MANAGEMENT, LLC	13F	Company	7.7%	1,284,976	$29,246,000	—	31 Mar 2021	13F
FRAZIER MANAGEMENT LLC	13F	Company	6%	1,001,421	$22,792,000	—	31 Mar 2021	13F
CITADEL ADVISORS LLC	13F	Company	5.9%	976,620	$22,228,000	—	31 Mar 2021	13F
Point72 Asset Management, L.P.	13F	Company	5.8%	958,200	$21,809,000	—	31 Mar 2021	13F
BVF INC/IL	13F	Company	5%	826,825	$18,819,000	—	31 Mar 2021	13F
MORGAN STANLEY	13F	Company	4.7%	773,106	$17,596,000	—	31 Mar 2021	13F
FIL Ltd	13F	Company	4.6%	771,790	$17,565,000	—	31 Mar 2021	13F
FMR LLC	13F	Company	4.4%	737,300	$16,781,000	—	31 Mar 2021	13F
Tekla Capital Management LLC	13F	Company	3.5%	573,823	$13,060,000	—	31 Mar 2021	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	3.4%	566,649	$12,896,000	—	31 Mar 2021	13F
MILLENNIUM MANAGEMENT LLC	13F	Company	3.4%	556,799	$12,673,000	—	31 Mar 2021	13F
Verition Fund Management LLC	13F	Company	2.8%	471,332	$10,728,000	—	31 Mar 2021	13F
ADAGE CAPITAL PARTNERS GP, L.L.C.	13F	Company	2.7%	450,300	$10,249,000	—	31 Mar 2021	13F
Nuveen Asset Management, LLC	13F	Company	2.3%	385,228	$8,768,000	—	31 Mar 2021	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	2.2%	362,177	$8,229,000	—	31 Mar 2021	13F
ORBIMED ADVISORS LLC	13F	Company	2.1%	350,000	$7,966,000	—	31 Mar 2021	13F
NORTHERN TRUST CORP	13F	Company	2.1%	344,321	$7,837,000	—	31 Mar 2021	13F
Opaleye Management Inc.	13F	Company	2.1%	341,950	$7,783,000	—	31 Mar 2021	13F
S.c.a. Candriam	13F	Individual	2.2%	368,110	$7,677,000	—	31 Mar 2021	13F
FEDERATED HERMES, INC.	13F	Company	2%	328,774	$7,483,000	—	31 Mar 2021	13F
MARSHALL WACE, LLP	13F	Company	1.9%	320,444	$7,294,000	—	31 Mar 2021	13F
SPHERA FUNDS MANAGEMENT LTD.	13F	Company	1.8%	294,825	$6,710,000	—	31 Mar 2021	13F
Invesco Ltd.	13F	Company	1.8%	293,033	$6,670,000	—	31 Mar 2021	13F
Lombard Odier Asset Management (Switzerland) SA	13F	Company	1.7%	290,418	$6,610,000	—	31 Mar 2021	13F
Lombard Odier SCmA Compagnie	13F	Individual	1.7%	290,418	$6,610,000	—	31 Mar 2021	13F
BARCLAYS PLC	13F	Company	1.6%	260,123	$5,919,000	—	31 Mar 2021	13F
ACADIAN ASSET MANAGEMENT LLC	13F	Company	1.4%	237,393	$5,404,000	—	31 Mar 2021	13F
Altium Capital Management LLC	13F	Company	1.4%	226,719	$5,160,000	—	31 Mar 2021	13F
DRIEHAUS CAPITAL MANAGEMENT LLC	13F	Company	1.3%	218,800	$4,980,000	—	31 Mar 2021	13F
Woodline Partners LP	13F	Company	1.3%	215,974	$4,916,000	—	31 Mar 2021	13F
Neuberger Berman Group LLC	13F	Company	1.3%	212,209	$4,830,000	—	31 Mar 2021	13F
Parkman Healthcare Partners LLC	13F	Company	1.2%	202,696	$4,613,000	—	31 Mar 2021	13F
Pentwater Capital Management LP	13F	Company	1.1%	184,501	$4,199,000	—	31 Mar 2021	13F
Marshall Wace North America L.P.	13F	Company	1.1%	177,343	$4,038,000	—	31 Mar 2021	13F
CITIGROUP INC	13F	Company	1%	169,594	$3,860,000	—	31 Mar 2021	13F
JANUS HENDERSON GROUP PLC	13F	Company	0.98%	162,472	$3,704,000	—	31 Mar 2021	13F
VICTORY CAPITAL MANAGEMENT INC	13F	Company	0.88%	146,274	$3,330,000	—	31 Mar 2021	13F
WELLS FARGO & COMPANY/MN	13F	Company	0.87%	143,735	$3,271,000	—	31 Mar 2021	13F

Institutional Holders of Sutro Biopharma, Inc. - Common Stock, $0.001 par value per share (STRO) as of Q2 2021

As of 30 Jun 2021, Sutro Biopharma, Inc. - Common Stock, $0.001 par value per share (STRO) was held by 121 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 41,241,047 shares. The largest 10 holders included BlackRock Inc., FRANKLIN RESOURCES INC, EVENTIDE ASSET MANAGEMENT, LLC, STATE STREET CORP, First Light Asset Management, LLC, VANGUARD GROUP INC, SV Health Investors, LLC, BAILLIE GIFFORD & CO, SUVRETTA CAPITAL MANAGEMENT, LLC, and Samsara BioCapital, LLC. This page lists 121 institutional shareholders reporting positions in this security for the Q2 2021 filing period.

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

Compare Q2 2021 vs Q1 2021 Across Filers

Q1 2021 holders

136

Q2 2021 holders

121

Holder diff

-15

Investor	Q1 2021 Shares	Q2 2021 Shares	Share Diff	Share Chg %	Q1 2021 Value $	Q2 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.