GREEN CENTURY MSCI INTERNATIONAL INDEX FUND PORTFOLIO OF INVESTMENTS April 30, 2020 (unaudited)

COMMON STOCKS — 98.1% SHARES VALUE SHARES VALUE Japan — (continued) Sohgo Security Services Japan — 21.9% Company Ltd...... 1,500 $ 71,553 AeonCompany,Ltd...... 13,500 $ 271,776 Sompo Holdings, Inc...... 7,000 227,049 AjinomotoCompany,Inc...... 9,300 165,640 SonyCorporation...... 26,700 1,718,255 AsahiKaseiCorporation...... 26,400 187,294 Stanley Electric Company Ltd. . . . 2,700 61,518 AstellasPharma,Inc...... 39,400 651,642 Sumitomo Chemical Company, BenesseHoldings,Inc...... 1,400 39,868 DaifukuCo.,Ltd...... 2,100 146,960 Ltd...... 32,500 99,684 Daikin Industries Ltd...... 5,200 667,321 Sumitomo Metal Mining Daiwa House Industry Company, Company,Ltd...... 5,000 124,615 Ltd...... 11,900 301,550 Sumitomo Mitsui Trust Holdings, DensoCorporation...... 9,200 323,396 Inc...... 6,900 200,905 EisaiCompany,Ltd...... 5,300 369,998 Suntory Beverage & Food Ltd. . . . 2,800 105,443 FujitsuLtd...... 4,100 398,309 Teijin Ltd...... 3,700 59,007 Hankyu Hanshin Holdings, Inc.. . 4,900 167,643 Tokyo Electron Ltd...... 3,300 702,837 Hirose Electric Company Ltd.. . . . 700 76,858 TokyuCorp...... 10,700 161,056 HitachiMetalsLtd...... 4,500 43,361 Toray Industries, Inc...... 29,500 135,249 HondaMotorCompany,Ltd..... 34,100 828,090 Toyo Suisan Kaisha Ltd...... 1,800 86,556 KansaiPaintCompanyLtd...... 3,500 66,481 Yamaha Corporation ...... 3,000 121,096 KaoCorp...... 10,100 778,875 Yaskawa Electric Corporation . . . . 5,200 169,544 KDDICorp...... 37,200 1,077,472 Yokogawa Electric Corporation. . . 4,800 65,426 KeioCorporation...... 2,100 118,792 15,978,393 KikkomanCorporation...... 3,000 137,850 KomatsuLtd...... 19,200 363,282 KonicaMinolta,Inc...... 10,700 41,405 Germany — 12.3% KubotaCorporation...... 22,000 273,211 adidas AG ...... 3,763 861,505 KyushuRailwayCompany...... 3,500 94,161 Allianz SE ...... 8,754 1,611,071 Murata Manufacturing Company, Beiersdorf AG...... 2,120 221,821 DeutscheBoerseAG...... 3,971 615,680 Ltd...... 12,000 676,164 Henkel AG & Company KGaA. . . 2,095 163,318 NabtescoCorporation...... 2,400 68,677 Henkel AG & Company NGKInsulatorsLtd...... 5,200 68,031 NikonCorporation...... 6,400 59,532 KGaA (a) ...... 3,788 336,336 NintendoCompany,Ltd...... 2,300 949,726 Merck KGaA...... 2,737 317,664 Nippon Express Company, Ltd. . . 1,700 83,032 METRO AG...... 4,286 37,450 Nissin Foods Holdings Company Muenchener Ltd...... 1,300 106,864 Rueckversicherungs-Gesellschaft Nitto Denko Corporation ...... 3,300 164,846 AG in Muenchen ...... 3,043 666,516 NTTDOCOMO,Inc...... 28,000 825,194 SAP SE ...... 20,616 2,455,606 Obayashi Corporation...... 13,200 115,376 SartoriusAG(a)...... 744 209,028 OmronCorporation...... 4,000 234,941 SiemensAG...... 16,051 1,481,292 PanasonicCorporation...... 46,700 355,994 8,977,287 Rakuten,Inc...... 18,500 156,866 Sekisui Chemical Company, Ltd. . 7,300 92,521 Sekisui House Ltd...... 12,900 221,296 Switzerland — 9.7% ShimizuCorporation...... 12,800 98,305 Alcon,Inc.(b)...... 8,679 458,028

1 GREEN CENTURY MSCI INTERNATIONAL INDEX FUND PORTFOLIO OF INVESTMENTS April 30, 2020 (unaudited) continued

SHARES VALUE SHARES VALUE

Switzerland — (continued) Australia — (continued) Coca-ColaHBCAG...... 4,100 $ 103,884 Lendlease Group ...... 11,700 $ 93,198 GivaudanSA...... 193 647,150 Mirvac Group ...... 80,322 116,714 Kuehne + Nagel International Newcrest Mining Ltd...... 16,034 287,747 AG...... 1,144 163,632 Orica Ltd...... 8,820 102,210 Lonza Group AG ...... 1,574 687,276 SEEKLtd...... 6,839 76,351 RocheHoldingAG...... 11,994 4,153,275 Stockland...... 49,216 91,386 SwissReAG...... 6,145 446,512 Sydney Airport...... 23,734 96,676 SwisscomAG...... 549 285,241 Transurban Group ...... 57,145 509,423 ViforPharmaAG...... 966 144,916 Westpac Banking Corporation. . . . 74,509 775,183 7,089,914 5,676,633

France — 9.1% Canada — 7.5% AXASA...... 40,223 715,053 Agnico Eagle Mines Ltd...... 4,945 288,920 Casino Guichard Perrachon SA . . 1,145 42,981 BankofMontreal...... 13,339 678,162 Cie Generale des Etablissements Bank of Nova Scotia (The) ...... 25,430 1,019,392 MichelinSCA...... 3,560 343,984 Canadian Imperial Bank of CNPAssurances(b)...... 3,665 37,812 Commerce...... 9,295 550,755 DanoneSA...... 13,005 906,444 Canadian National Railway EssilorLuxotticaSA...... 5,917 735,063 Company...... 15,019 1,241,981 GecinaSA...... 980 128,591 Canadian Tire Corp. Ltd., JCDecauxSA...... 1,831 37,902 ClassA...... 1,281 89,882 L’OrealSA...... 5,277 1,534,298 CGI,Inc.(b)...... 5,083 324,151 NatixisSA...... 18,850 44,503 Cronos Group, Inc. (b) ...... 4,304 25,478 OrangeSA...... 41,629 505,771 First Capital Real Estate SchneiderElectricSE...... 11,613 1,073,224 Investment Trust ...... 2,206 22,741 Teleperformance...... 1,232 275,990 Gildan Activewear, Inc...... 4,549 63,464 Unibail-Rodamco-Westfield ...... 2,896 171,483 MagnaInternational,Inc...... 5,974 232,780 ValeoSA...... 4,944 113,335 Metro, Inc...... 5,308 218,383 6,666,434 OpenTextCorporation...... 5,723 216,257 Rogers Communications, Inc., Class B ...... 7,417 310,640 Australia — 7.8% WSP Global, Inc...... 2,256 151,388 ASXLtd...... 4,054 213,745 BlueScopeSteelLtd...... 10,191 66,514 5,434,374 BoralLtd...... 27,526 53,495 BramblesLtd...... 32,471 232,083 United Kingdom — 7.1% Coca-ColaAmatilLtd...... 9,987 55,602 Barratt Developments PLC ...... 21,737 141,704 ColesGroupLtd...... 28,341 284,193 Berkeley Group Holdings PLC . . . 2,531 132,854 CSLLtd...... 9,519 1,897,355 Burberry Group PLC...... 8,731 151,594 Dexus...... 23,602 140,106 Coca-Cola European Partners GoodmanGroup...... 34,244 291,659 PLC...... 4,844 192,016 GPTGroup(The)...... 39,719 109,156 Croda International PLC ...... 2,740 168,009 Insurance Australia Group Ltd. . . 49,204 183,837 easyJet PLC ...... 3,059 23,170

2 GREEN CENTURY MSCI INTERNATIONAL INDEX FUND PORTFOLIO OF INVESTMENTS April 30, 2020 (unaudited) continued

SHARES VALUE SHARES VALUE

United Kingdom — (continued) Hong Kong — (continued) InterContinental Hotels Group MTR Corporation Ltd...... 32,667 $ 180,986 PLC...... 3,651 $ 166,306 Swire Pacific Ltd. A Shares ...... 10,000 65,032 IntertekGroupPLC...... 3,382 201,827 Swire Properties Ltd...... 26,400 74,046 ITVPLC...... 72,245 69,370 1,711,513 JSainsburyPLC...... 35,773 89,027 JohnsonMattheyPLC...... 3,866 96,860 KingfisherPLC...... 43,898 87,083 Spain — 1.8% London Stock Exchange Group Banco Bilbao Vizcaya Argentaria PLC...... 6,580 615,841 SA ...... 142,397 465,486 Marks&SpencerGroupPLC.... 40,309 46,959 Ferrovial SA ...... 10,105 253,037 MondiPLC...... 10,152 179,270 Industria de Diseno Textil SA . . . . 22,762 583,012 RELXPLC...... 40,831 921,181 1,301,535 SchrodersPLC...... 2,503 83,595 Segro PLC ...... 22,748 238,424 StandardCharteredPLC...... 56,190 287,100 Sweden — 1.8% Unilever PLC ...... 23,321 1,200,797 BolidenAB...... 5,867 118,264 Wm Morrison Supermarkets ElectroluxAB...... 4,537 62,038 PLC...... 48,903 112,384 EssityAB,ClassB(b)...... 12,688 411,007 ICA Gruppen AB ...... 1,976 86,461 5,205,371 Skandinaviska Enskilda Banken AB,ClassA...... 33,918 279,229 Netherlands — 4.8% Tele2ABBShares...... 10,729 138,346 Akzo Nobel NV ...... 4,173 316,700 Telia Company AB...... 57,410 199,612 ASMLHoldingNV...... 8,924 2,606,668 1,294,957 CNH Industrial NV (b)...... 21,470 134,305 KoninklijkeDSMNV...... 3,787 464,159 Ireland — 1.4% 3,521,832 CRHPLC(c)...... 51 1,537 CRH PLC (d) ...... 16,442 498,846 Denmark — 4.7% DCC PLC...... 2,106 149,749 ColoplastA/S,ClassB...... 2,479 390,995 Kerry Group PLC, Class A ...... 3,331 382,198 Novo Nordisk A/S, Class B . . . . . 37,090 2,365,954 1,032,330 Novozymes A/S ...... 4,454 218,497 PandoraA/S...... 2,207 78,477 VestasWindSystemsA/S...... 3,996 343,147 Singapore — 1.4% Ascendas Real Estate Investment 3,397,070 Trust...... 62,300 130,281 CapitaLandLtd...... 53,900 114,359 Hong Kong — 2.3% City Developments Ltd...... 9,100 50,865 ASM Pacific Technology Ltd. . . . . 6,100 61,639 DBS Group Holdings Ltd...... 37,449 527,231 BOC Hong Kong Holdings Ltd. . . 77,500 237,858 Singapore Airlines Ltd...... 11,000 47,565 HangSengBankLtd...... 16,017 280,138 Hong Kong Exchanges & ClearingLtd...... 25,320 811,814

3 GREEN CENTURY MSCI INTERNATIONAL INDEX FUND PORTFOLIO OF INVESTMENTS April 30, 2020 (unaudited) concluded

SHARES VALUE SHARES VALUE

Singapore — (continued) New Zealand — (continued) SingaporeExchangeLtd...... 16,500 $ 112,512 Ryman Healthcare Ltd...... 7,918 $ 57,761 982,813 268,540

Belgium — 0.8% Israel — 0.2% KBCGroupNV...... 5,175 280,707 Bank Hapoalim BM...... 24,086 154,380 SolvaySA...... 1,511 118,025 UmicoreSA...... 4,134 179,177 Portugal — 0.1% 577,909 Jeronimo Martins SGPS SA ...... 5,413 91,773 Total Common Stocks Norway — 0.8% (Cost $72,991,612) ...... 71,511,885 MowiASA...... 9,267 158,715 SHORT-TERM INVESTMENTS — 0.8% OrklaASA...... 15,277 137,995 UMB Money Market Fiduciary SchibstedASABShares...... 2,086 40,515 Account, 0.01% (e) TelenorASA...... 14,935 229,087 (Cost $603,366) ...... 603,366 566,312 Total Short-term Investments (Cost $603,366) ...... 603,366 Jersey — 0.8% TOTAL INVESTMENTS — 98.9% FergusonPLC...... 4,797 345,860 (Cost $73,594,978) ...... 72,115,251 WPPPLC...... 26,705 207,199 Other Assets Less Liabilities — 1.1% ...... 801,274 553,059 NET ASSETS — 100.0% $72,916,525

Finland — 0.7% MetsoOYJ...... 2,088 57,932 (a) Preference shares. OrionOyj,ClassB...... 2,232 113,431 (b) Non-income producing security. UPM-KymmeneOYJ...... 11,139 305,500 (c) Shares of this security are traded on the London Stock WartsilaOYJAbp...... 9,173 67,334 Exchange. 544,197 (d) Shares of this security are traded on the Irish Stock Exchange. Italy — 0.7% (e) The rate quoted is the annualized seven-day yield of the fund at the period end. IntesaSanpaoloSpA...... 310,758 485,259

New Zealand — 0.4% Auckland International Airport Ltd...... 24,395 90,087 FletcherBuildingLtd...... 19,359 43,375 MeridianEnergyLtd...... 28,376 77,317

4 GREEN CENTURY MSCI INTERNATIONAL INDEX FUND PORTFOLIO OF INVESTMENTS April 30, 2020 (unaudited) concluded

5