2018-05-15T15:36:18-07:00 2017-06-30 MAH & ASSOCIATES LLP 201 California Street Suite 411 San Francisco CA 94111 990PF 2016-07-01 472387065 CALDERA FOUNDATION CALD 4155195799 235 MONTGOMERY STREET SAN FRANCISCO CA 94104 PETER S BOYER Sec. &Treasurer 2018-05-15 true BRIAN R MAH P00522319 4159811111 2016 2022-09-23 18:48:47Z X 114736 X 339554 X 26 26 26 288751 288751 288751 636167 12421422 636167 516658 1264498 924944 805435 1764 1764 72458 36229 36229 15110 15110 73523 73523 162855 51339 111516 608000 608000 770855 51339 719516 493643 873605 805435 36780 66858 66858 248592 47878 47878 9289927 9971657 9575298 10086393 114736 0 X 9575298 10086393 9575298 10086393 9575298 10086393 9575298 493643 17452 10086393 10086393 ST GAINS SEE ATTACHED P 2017-01-01 2017-12-31 11941253 11424595 516658 516658 LT GAINS SEE ATTACHED P 2005-01-01 2017-12-31 470753 360660 110093 110093 CAPITAL GAIN DISTRIBUTION P 2005-01-01 2017-12-31 9416 9416 9416 636167 516658 17472 17472 17472 X 123 17595 false false false false false false false false true true CA true false false false false true www.calderafoundation.org PETER BOYER 4156814785 235 MONTGOMERY STREET SUITE 1230 SAN FRANCISCO CA 94104 false false false false false false false false false false false false false false false false false false false false false false false false false false MARGARET G BOYER 235 MONTGOMERY ST SUITE 1230 SAN FRANCISCO CA 94104 PRESIDENT 10.00 0 PETER S BOYER 235 MONTGOMERY ST SUITE 1230 SAN FRANCISCO CA 94104 Sec. &Treasurer 10.00 0 NONE NONE 9620587 176114 0 9796701 0 9796701 146951 9649750 482488 482488 17472 17472 465016 465016 465016 719516 719516 719516 465016 112558 135139 153238 221880 572962 1195777 719516 0 465016 254500 1450277 0 112558 1337719 135139 153238 221880 572962 254500 MARGARET G BOYER PETER S BOYER X ROCKY MOUNTAIN INSTITUTE 22830 TWO RIVERS ROAD BASALT CO 81621 NONE PC FINANCIAL SUPPORT FOR ROCKY MOUNTAIN INSTITUTE 178000 ECO PEACE MIDDLE EAST PO BOX 840252 AMMAN JO 11181 NONE NC FINANCIAL SUPPORT FOR ECO PEACE MIDDLE EAST 30000 PACIFIC FOREST TRUST 1001 OREILLY AVE SAN FRANCISCO CA 94129 NONE PC FINANCIAL SUPPORT FOR PACIFIC FOREST TRUST 25000 PROJECT DRAWDOWN 27 GATE 5 ROAD SAUSALITO CA 94965 NONE PC FINANCIAL SUPPORT FOR PROJECT DRAWDOWN 100000 ENVIRONMENTAL DEFENSECLC 123 MISSION ST 28 SAN FRANCISCO CA 94105 NONE PC FINANCIAL SUPPORT FOR CONSERVATION LEADERSHIP COUNCIL LAUNCHED BY THE ENVIRONMENTAL DEFENSE FUND 50000 CLIMATE CENTRAL ONE PALMER SQUARE STE 330 PRINCETON NJ 08542 NONE PC FINANCIAL SUPPORT 25000 ISSUE ONE 1401 K STRETT NE SUTE 350 WASHINGTON DC 20005 NONE PC FINANCIAL SUPPORT 25000 PACIFIC INSTITUTE 654 13TH STREET OAKLAND CA 94612 NONE PC FINANCIAL SUPPORT 15000 CLIMATE REALTY 750 9TH STREET NW SUITE 520 WASHINGTON DC 20001 NONE PC FINANCIAL SUPPORT 35000 UNION OF CONCERNED SCIENTIST TWO BRATTLE SQ CAMBRIDGE MA 02138 NONE PC FINANCIAL SUPPORT 50000 AUBURN THEOLOGICAL SEMINARY 475 RIVERSIDE DR 1800 NEW YORK NY 10115 NONE PC FINANCIAL SUPPORT 10000 PARTNERSHIP FOR CHANGE 1016 LINCOLN BLVD SAN FRANCISCO CA 94129 NONE PC FINANCIAL SUPPORT 30000 STANDFORD UNIVERSITY 400 SERRA MALL STANFORD CA 94305 NONE PC FINANCIAL SUPPORT 35000 608000 14 26 14 288751 18 636167 924944 924944 false false false false false false false false false false BOOKKEEPING 1764 0 0 1764 CONFERENCE 950 950 CONSULTING 489 489 DUES & SUBSCRIPTIONS 2389 2389 EQUIPMENT 23375 23375 FEES 2925 2925 MEALS 1435 1435 OFFICE RENTAL 37500 37500 OFFICE SUPPLIES 1892 1892 PARKING 352 352 POSTAGE & DELIVERY 30 30 TELEPHONE 1734 1734 WEBSITE DEVELOPMENT 432 432 WEBSITE HOSTING 20 20 RETURN OF CAPITAL 3408 INVESTMENT MANAGMENT FEE 72458 36229 0 36229 FOREIGN TAX 15110 15110