March 13 (Reuters)- Holdings of the largest gold-backed exchange-traded-fund (ETF), New York's SPDR Gold Trust GLD , rose 0.38 percent on Wednesday from Tuesday, while the largest silver-backed ETF, New York's iShares Silver Trust SLV , fell 0.18 percent during the same period. Exchange-traded funds, the most widely recognized type of ETP, back each security issued with physical stocks of a given commodity, creating a product they say is free from counterparty risk. Name New Holdings Date Prev Holdings Prev Abs Change % chg YTD Abs Change GOLD (OZ) (OZ) (OZ) Change (OZ) SPDR Gold Trust HLDSPDRGT=XAU 28,892,135.6 Mar 12 28,781,449.6 Mar 11 110,686.0 0.38% -610,904.7 COMEX Gold Trust HLDCMXGOT=XAU 13,480,865.2 Mar 12 13,497,847.1 Mar 11 -16,981.9 -0.13% -948,912.8 ETF Securities gold (ex-US) HLDETFXUS=XAU 9,293,742.4 Nov 30 9,293,742.4 Nov 30 -- -- -300,230.4 ZKB Physical Gold HLDZKBPYG=XAU ** 4,950,132.9 Mar 07 4,950,132.9 Mar 07 -- -- -107,121.0 Sprott Physical Gold Trust HLDSPROPY=XAU 3,348,157.0 Mar 12 3,340,284.0 Mar 11 7,873.0 0.24% 198,002.0 ETFS Physical Swiss Gold HLDETFSCH=XAU 844,902.3 Jan 06 844,902.3 Jan 06 -- -- 57,520.6 ABSA - NewGold ETF HLDNEWGOT=XAU 589,785.5 Mar 12 589,790.3 Mar 11 -4.8 0.00% 66,953.7 Total 61,399,720.8 101,572.2 0.17% -1,644,692.6 SILVER iShares Silver Trust HLDISHAST=XAG 434,544,723.9 Mar 12 435,318,305.5 Mar 11 -773,581.6 -0.18% -32,916,554.9 Sprott Physical Silver HLDSPROPY=XAG 180,613,426.0 Mar 12 180,613,426.0 Mar 11 0.0 0.00% 10,083,377.0 ETF Securities silver ex-US HLDETFXUS=XAG 100,389,761.6 Nov 30 100,389,761.6 Nov 30 -- -- 27,135,104.7 ZKB Physical Silver HLDZKBPYS=XAG 87,787,788.5 Mar 07 87,787,788.5 Mar 07 -- -- -8,329,549.1 ETFS Physical Silver Shares HLDETFSSF=XAG 6,111,152.0 Mar 20 6,111,152.0 Mar 20 -- -- -17,105,014.8 Total 809,446,852.0 810,220,433.6 -773,581.6 -0.10% -21,132,637.1 PLATINUM ETFS Physical Platinum Shares HLDETFSPY=XPT 738,343.9 Mar 20 738,343.9 Mar 20 -- -- -10,582.1 ABSA - NewPlat ETF HLDNEWPLT=XPT 392,835.3 Mar 12 392,839.0 Mar 11 -3.7 0.00% 40,348.8 ETF Securities platinum ex-US HLDETFXUS=XPT 617,330.8 Nov 30 617,330.8 Nov 30 -- -- 32,609.5 ZKB Physical Platinum HLDZKBPYP=XPT 421,480.2 Mar 07 421,480.2 Mar 07 -- -- -51,970.0 Total 2,169,990.2 2,169,993.9 -3.7 0.00% 10,406.1 PALLADIUM InvestPalladium ETF HLDSTNDRDB=XPD # 2,989.7 Mar 12 2,989.2 Mar 11 0.5 0.02% -1,593.5 ETFS Physical Palladium Shares HLDETFSPY=XPD 23,425.8 Mar 20 23,425.8 Mar 20 -- -- -134,305.6 ETF Securities palladium ex-US 111,915.0 Nov 30 111,915.0 Nov 30 -- -- -959.5 ZKB Physical Palladium HLDZKBPYP=XPD 96,914.1 Mar 07 96,914.1 Mar 07 -- -- 31,673.0 ABSA - NewPalladium ETF HLDNEWPLD=XPD **** 7,911.7 Mar 12 7,911.7 Mar 11 -0.1 0.00% -1,993.4 Total 243,156.3 243,155.9 0.4 0.00% -107,178.9 The figures above are those reported to Reuters by the organizations involved by telephone or email on the date shown, or those that are publicly available on their websites. ** ZKB physical gold, silver, platinum and palladium funds are fully backed by physical precious metal and investors are entitled to physical delivery of them. *** Shareholders in the GAM Gold fund can elect to hold "A class" shares, which are fully backed by physical gold. Investors in that class are entitled to physical delivery of the precious metal. Investors may also elect to hold "AX" class shares, which are fully backed by physical gold. Investors in that class are not entitled to physical delivery of the precious metal. **** Absa Capital's NewPalladium Exchange Traded Fund (ETF) was listed on March 27, 2014 and is fully backed with South African palladium. # Standard Bank's AfricaPalladium ETF, South Africa's first listed palladium exchange traded fund, debuted on March 24, 2014. ((((For help: Click "Contact Us" in your desk top, click here HELP or call 1-800-738-8377 for Reuters Products and +1-888-463-3383 for Thomson products)) )) (Bengaluru Commodities desk)((BLRCEEditorial@thomsonreuters.com; within U.S. +1 651 848 5832; outside U.S. +91 80 6749 1298; Reuters Messaging: rmchat://room/reuters.com/Bangalore-CE-News))