The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.
The reader should not assume that the information is accurate and complete.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F COVER PAGE

OMB APPROVAL
OMB Number: 3235-0006
Expires: July 31, 2015
Estimated average burden
hours per response: 23.8

Report for the Calendar Year or Quarter Ended: 09-30-2021
Check here if Amendment   Amendment Number:
This Amendment (Check only one.):   is a restatement.
  adds new holdings entries.
Institutional Investment Manager Filing this Report:
Name: Quaero Capital S.A.
Address: 20 BIS RUE DE LAUSSANE
GENEVE , V81201
Form 13F File Number: 028-20677

The institutional investment manager filing this report and the person by whom it is signed hereby represent that the person signing the report is authorized to submit it, that all information contained herein is true, correct and complete, and that it is understood that all required items, statements, schedules, lists, and tables, are considered integral parts of this form.

Person Signing this Report on Behalf of Reporting Manager:
Name: Marcus Tang
Title: Head of Operations
Phone: 0041225188310
Signature, Place, and Date of Signing:
MARCUS TANG Geneva , V8 10-20-2021
[Signature] [City, State] [Date]
Report Type (Check only one.):
X 13F HOLDINGS REPORT. (Check here if all holdings of this reporting manager are reported in this report.)
  13F NOTICE. (Check here if no holdings reported are in this report, and all holdings are reported by other reporting manager(s).)
  13F COMBINATION REPORT. (Check here if a portion of the holdings for this reporting manager are reported in this report and a portion are reported by other reporting manager(s).)
Form 13F Summary Page
Report Summary:
Number of Other Included Managers: 0
Form 13F Information Table Entry Total: 60
Form 13F Information Table Value Total: 145,783
(thousands)
List of Other Managers Reporting for this Manager:
[If there are no entries in this list, omit this section.]
Form 13F File Number Name

List of Other Included Managers:
Provide a numbered list of the name(s) and Form 13F file number(s) of all institutional investment managers with respect to which this report is filed, other than the manager filing this report.
[If there are no entries in this list, state “NONE” and omit the column headings and list entries.]
No. Form 13F File Number Name


SEC FORM 13F-HR

The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.
The reader should not assume that the information is accurate and complete.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F INFORMATION TABLE

OMB APPROVAL
OMB Number: 3235-0006
Expires: July 31, 2015
Estimated average burden
hours per response: 23.8

COLUMN 1 COLUMN 2 COLUMN 3 COLUMN 4 COLUMN 5 COLUMN 6 COLUMN 7 COLUMN 8
VALUE SHRS OR SH/ PUT/ INVESTMENT OTHER VOTING AUTHORITY
NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DISCRETION MANAGER SOLE SHARED NONE
360 DIGITECH INC AMERICAN DEP 88557W101 2,994 147,344 SH SOLE 147,344 0 0
AKAMAI TECHNOLOGIES INC NOTE 0.375% 9/0 00971TAL5 1,051 950,000 PRN SOLE 950,000 0 0
ALBEMARLE CORP COM 012653101 8,266 37,749 SH SOLE 37,749 0 0
ALGONQUIN PWR UTILS CORP COM 015857105 2,943 200,993 SH SOLE 200,993 0 0
AMERESCO INC CL A 02361E108 4,924 84,279 SH SOLE 84,279 0 0
AMERICAN TOWER CORP NEW COM 03027X100 2,986 11,250 SH SOLE 11,250 0 0
AMERICAN WTR WKS CO INC NEW COM 030420103 2,658 15,722 SH SOLE 15,722 0 0
BALLARD PWR SYS INC NEW COM 058586108 1,572 111,855 SH SOLE 111,855 0 0
BOOKING HOLDINGS INC NOTE 0.750% 5/0 09857LAN8 1,175 800,000 PRN SOLE 800,000 0 0
BROOKFIELD INFRASTRUCTURE CO COM SB VTG SHS A 11275Q107 1,952 32,600 SH SOLE 32,600 0 0
BROOKFIELD RENEWABLE CORP CL A SUB VTG 11284V105 316 8,134 SH SOLE 8,134 0 0
BROOKFIELD RENEWABLE PARTNER PARTNERSHIP UNIT G16258108 1,422 38,527 SH SOLE 38,527 0 0
CANADIAN SOLAR INC COM 136635109 2,355 68,092 SH SOLE 68,092 0 0
CHEESECAKE FACTORY INC NOTE 0.375% 6/1 163072AA9 379 400,000 PRN SOLE 400,000 0 0
CREE INC COM 225447101 1,247 15,444 SH SOLE 15,444 0 0
CROWN CASTLE INTL CORP NEW COM 22822V101 2,712 15,650 SH SOLE 15,650 0 0
CSX CORP COM 126408103 1,960 65,900 SH SOLE 65,900 0 0
DATADOG INC NOTE 0.125% 6/1 23804LAB9 1,324 800,000 PRN SOLE 800,000 0 0
DICKS SPORTING GOODS INC NOTE 3.250% 4/1 253393AD4 742 200,000 PRN SOLE 200,000 0 0
ENPHASE ENERGY INC COM 29355A107 7,577 50,522 SH SOLE 50,522 0 0
EQUINIX INC COM 29444U700 2,916 3,690 SH SOLE 3,690 0 0
FARFETCH LTD ORD SH CL A 30744W107 2,417 64,499 SH SOLE 64,499 0 0
FIRST SOLAR INC COM 336433107 2,642 27,681 SH SOLE 27,681 0 0
FORTIVE CORP NOTE 0.875% 2/1 34959JAK4 1,104 1,100,000 PRN SOLE 1,100,000 0 0
FUTU HLDGS LTD SPON ADS CL A 36118L106 7,048 77,439 SH SOLE 77,439 0 0
GRUPO AEROPORTUARIO DEL CENT SPON ADR 400501102 867 18,500 SH SOLE 18,500 0 0
HANNON ARMSTRONG SUST INFR C COM 41068X100 6,557 122,600 SH SOLE 122,600 0 0
HEADHUNTER GROUP PLC SPONSORED ADS 42207L106 281 5,767 SH SOLE 5,767 0 0
I MAB SPONSORED ADS 44975P103 5,521 76,159 SH SOLE 76,159 0 0
II-VI INC NOTE 0.250% 9/0 902104AB4 401 300,000 PRN SOLE 300,000 0 0
ITRON INC COM 465741106 1,696 22,421 SH SOLE 22,421 0 0
LIBERTY MEDIA CORP DEL NOTE 1.000% 1/3 531229AF9 996 700,000 PRN SOLE 700,000 0 0
LUMENTUM HLDGS INC NOTE 0.500%12/1 55024UAD1 880 800,000 PRN SOLE 800,000 0 0
NEXTERA ENERGY INC COM 65339F101 6,632 84,467 SH SOLE 84,467 0 0
NIO INC SPON ADS 62914V106 2,102 59,006 SH SOLE 59,006 0 0
NORFOLK SOUTHN CORP COM 655844108 1,986 8,300 SH SOLE 8,300 0 0
OKTA INC NOTE 0.375% 6/1 679295AF2 276 225,000 PRN SOLE 225,000 0 0
ON SEMICONDUCTOR CORP NOTE 1.625%10/1 682189AP0 677 300,000 PRN SOLE 300,000 0 0
PALO ALTO NETWORKS INC NOTE 0.375% 6/0 697435AF2 1,409 850,000 PRN SOLE 850,000 0 0
PLUG POWER INC COM NEW 72919P202 5,782 226,392 SH SOLE 226,392 0 0
PROTERRA INC COM 74374T109 488 48,240 SH SOLE 48,240 0 0
REPUBLIC SVCS INC COM 760759100 2,503 20,850 SH SOLE 20,850 0 0
RINGCENTRAL INC NOTE3/0 76680RAF4 786 800,000 PRN SOLE 800,000 0 0
SEA LTD SPONSORD ADS 81141R100 2,767 8,681 SH SOLE 8,681 0 0
SHOPIFY INC NOTE 0.125%11/0 82509LAA5 613 500,000 PRN SOLE 500,000 0 0
SOCIEDAD QUIMICA Y MINERA DE SPON ADR SER B 833635105 3,963 73,767 SH SOLE 73,767 0 0
SOLAREDGE TECHNOLOGIES INC COM 83417M104 6,447 24,309 SH SOLE 24,309 0 0
SOUTHWEST AIRLS CO NOTE 1.250% 5/0 844741BG2 674 450,000 PRN SOLE 450,000 0 0
SUNNOVA ENERGY INTL INC. COM 86745K104 1,940 58,905 SH SOLE 58,905 0 0
SUNRUN INC COM 86771W105 5,429 123,381 SH SOLE 123,381 0 0
TAIWAN SEMICONDUCTOR MFG LTD SPONSORED ADS 874039100 1,881 16,848 SH SOLE 16,848 0 0
TERADYNE INC NOTE 1.250%12/1 880770AG7 520 150,000 PRN SOLE 150,000 0 0
T-MOBILE US INC COM 872590104 1,599 12,512 SH SOLE 12,512 0 0
TORM PLC SHS CL A G89479102 845 110,000 SH SOLE 110,000 0 0
TPI COMPOSITES INC COM 87266J104 3,842 113,837 SH SOLE 113,837 0 0
UNION PAC CORP COM 907818108 1,529 7,800 SH SOLE 7,800 0 0
UNITED MICROELECTRONICS CORP SPON ADR NEW 910873405 1,145 100,193 SH SOLE 100,193 0 0
WASTE MGMT INC DEL COM 94106L109 2,444 16,365 SH SOLE 16,365 0 0
WESTERN DIGITAL CORP. NOTE 1.500% 2/0 958102AP0 1,011 1,000,000 PRN SOLE 1,000,000 0 0
ZAI LAB LTD ADR 98887Q104 2,612 24,782 SH SOLE 24,782 0 0