2025-09-04T19:07:48-05:00 2024-11-30 331197384 ANDERSEN TAX LLC 1700 EAST PUTNAM AVENUE SUITE 408 OLD GREENWICH CT 06870 990PF 2023-12-01 061603158 HALVORSEN FAMILY FOUNDATION C/O OLE ANDREAS HALVORSEN TRUSTEE HALV 2038635048 VIKING 600 WASHINGTON BLVD 11TH F STAMFORD CT 06901 OLE ANDREAS HALVORSEN TRUSTEE 2038635048 2025-06-23 1 0 CHRIS CARREIRA P01250834 2039873660 2023 2025-03-06 01:10:19Z X 322046466 X 20910287 5418 5418 438 438 522968 624243 522968 837 837 21439948 529661 0 0 0 8600 0 8600 2444 2444 0 188460 0 0 3070 3070 0 202574 5514 8600 20884778 20884778 21087352 5514 20893378 352596 524147 133793 109211 109211 265428300 321937255 321937255 265562093 322046466 322046466 380000 380000 0 X 265182093 322046466 0 0 0 0 265182093 322046466 265562093 322046466 265182093 352596 56511777 322046466 0 322046466 VIKING GLOBAL EQUITIES III LTD P 2015-01-01 2024-11-30 624243 101275 522968 522968 522968 7286 0 7286 0 7286 2000 0 10000 0 12000 X 0 4714 4714 0 0 0 0 0 0 0 0 0 0 0 1 1 CT 1 0 0 0 0 1 N/A OLE ANDREAS HALVORSEN 2038635039 600 WASHINGTON BLVD 11TH FL STAMFORD CT 06901 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 OLE ANDREAS HALVORSEN 53 CONTENTMENT ISLAND ROAD DARIEN CT 06820 TRUSTEE 0.30 0 0 0 DIANE K HALVORSEN 53 CONTENTMENT ISLAND ROAD DARIEN CT 06820 TRUSTEE 0.30 0 0 0 NONE 0 NONE 0 THE FOUNDATION IS NOT INVOLVED IN ANY CHARITABLE ACTIVITIES. ITS PRIMARY PURPOSE IS TO SUPPORT, BY CONTRIBUTIONS, OTHER ORGANIZATIONS EXEMPT UNDER IRC SECTION 501(C)(3). 0 0 0 166083 279905915 280071998 0 0 280071998 4201080 275870918 13793546 13793546 7286 7286 13786260 0 13786260 0 13786260 20893378 0 20893378 13786260 11113274 0 0 20893378 11113274 0 0 9780104 0 0 0 0 0 0 0 0 4006156 0 0 0 OLE ANDREAS HALVORSEN DIANE K HALVORSEN X GREENS LEDGE LIGHT PRESERVATION PO BOX 43 ROWAYTON CT 06853 NONE PC PRESERVATION SUPPORT 25000 MASSACHUSETTS MUSEUM OF CONTEMPORARY ART FOUNDATION INC 1040 MASS MOCA WAY NORTH ADAMS MA 01247 NONE PC ARTISTIC INITIATIVES 25000 NENSA 49 PINELAND DRIVE NEW GLOUCESTER ME 04260 NONE PC ATHLETIC OPPORTUNITIES 50000 NORAM RADHUSGATA 23B OSLO NO 0158 NONE PC GENERAL SUPPORT 30000 STERLING AND FRANCINE CLARK ART INSTITUTE 225 SOUTH STREET WILLIAMSTOWN MA 01267 NONE PC ARTISTIC INITIATIVES 100000 THE HOSPITAL FOR SPECIAL SURGERY FUND INC 535 EAST 70TH STREET NEW YORK NY 10021 NONE PC MEDICAL SUPPORT 60000 THE ROCKEFELLER UNIVERSITY 1230 YORK AVENUE NEW YORK NY 10065 NONE PC EDUCATIONAL SUPPORT 50000 WILDLIFE CONSERVATION SOCIETY 2300 SOUTHERN BOULEVARD BRONX NY 10460 NONE PC WILDLIFE CONSERVATION 100000 WILLIAMS COLLEGE 75 PARK STREET WILLIAMSTOWN MA 01267 NONE PC EDUCATIONAL SUPPORT 350000 AKTIV MOT KREFT SLEMDALSVEIEN 72 OSLO NO 0373 NONE PC MEDICAL SUPPORT 4778 CATAMOUNT TRAIL ASSOCIATION 1 MILL STREET 350 BURLINGTON VT 05401 NONE PC ATHLETIC OPPORTUNITIES 2000 DARIEN NATURE CENTER 120 BROOKSIDE ROAD DARIEN CT 06820 NONE PC ENVIRONMENTAL SUPPORT 5000 DARIEN POLICE ASSOCIATION 25 HECKER AVENUE DARIEN CT 06820 NONE PC COMMUNITY SUPPORT 20000 THE FRIENDS OF STOWE LIBRARY 67 MAIN STREET STOWE VT 05672 NONE PC EDUCATIONAL SUPPORT 1000 THE MUSEUM OF MODERN ART 11 W 53RD STREET NEW YORK NY 10019 NONE PC ARTISTIC INITIATIVES 50000 STANFORD MEDICAL DEVELOPMENT 485 BROADWAY REDWOOD CITY CA 94063 NONE PC EDUCATIONAL SUPPORT 20000000 STOWE LAND TRUST 6 SUNSET STREET STOWE VT 05672 NONE PC ENVIRONMENTAL SUPPORT 10000 STOWE SWIMMERS FOUNDATION 75 WEEKS HILL ROAD STOWE VT 05672 NONE PC ATHLETIC OPPORTUNITIES 2000 20884778 0 14 5418 14 438 18 837 18 522968 0 529661 0 529661 0 0 0 0 0 0 0 0 0 0 X X 1 OLE ANDREAS HALVORSEN 53 CONTENTMENT ISLAND ROAD DARIEN CT 06820 20910287 X TAX PREPARATION FEES 8600 0 8600 VIKING GLOBAL EQUITIES III, LTD. FMV 134297075 134297075 VIKING GLOBAL OPPORTUNITIES III, LTD. FMV 155509346 155509346 VIKING LONG FUND III, LTD. FMV 30494809 30494809 VIKING GLOBAL OPPORTUNITIES DRAWDOWN (OFFSHORE) LP FMV 1636025 1636025 VIKING GLOBAL OPPORTUNITIES DRAWDOWN (OFFSHORE) LP - 13L 3070 3070 0 FX G/L - 988 G/L 837 837 837 UNREALIZED GAIN/(LOSS) 56511777 FEDERAL TAXES 188460 0 0