Allegedly

Items in their inventory when the game ended, across 1,661 games.

Item	Games	Of all games	Win rate
Power Treads	527	31.7%	44.8%
Magic Wand	416	25.0%	35.3%
Phase Boots	375	22.6%	49.3%
Bracer	373	22.5%	46.6%
Black King Bar	342	20.6%	56.7%
Aghanim's Scepter	318	19.1%	58.2%
Blink Dagger	311	18.7%	45.0%
Pipe of Insight	240	14.4%	55.8%
Quelling Blade	226	13.6%	35.4%
Blade Mail	223	13.4%	52.5%
Wraith Band	191	11.5%	41.9%
Guardian Greaves	188	11.3%	58.5%
Soul Ring	176	10.6%	40.9%
Arcane Boots	160	9.6%	33.8%
Assault Cuirass	140	8.4%	68.6%
Crimson Guard	135	8.1%	59.3%
Hurricane Pike	130	7.8%	56.2%
Heart of Tarrasque	123	7.4%	58.5%
Null Talisman	115	6.9%	43.5%
Shiva's Guard	113	6.8%	61.9%
Boots of Travel	112	6.7%	54.5%
Vladmir's Offering	108	6.5%	53.7%
Tranquil Boots	108	6.5%	45.4%
Aether Lens	106	6.4%	46.2%
Echo Sabre	100	6.0%	55.0%
Radiance	99	6.0%	53.5%
Eul's Scepter of Divinity	94	5.7%	48.9%
Ogre Axe	94	5.7%	23.4%
Manta Style	90	5.4%	56.7%
Platemail	87	5.2%	39.1%
Silver Edge	83	5.0%	53.0%
Vanguard	81	4.9%	42.0%
Iron Branch	79	4.8%	39.2%
Sange and Yasha	76	4.6%	50.0%
Abyssal Blade	75	4.5%	70.7%
Lotus Orb	74	4.5%	51.4%
Glimmer Cape	72	4.3%	38.9%
Desolator	67	4.0%	52.2%
Heaven's Halberd	63	3.8%	54.0%
Boots of Speed	62	3.7%	37.1%
Rod of Atos	58	3.5%	51.7%
Eye of Skadi	57	3.4%	68.4%
Mjollnir	56	3.4%	71.4%
Overwhelming Blink	54	3.3%	79.6%
Skull Basher	54	3.3%	51.9%
Dragon Lance	54	3.3%	24.1%
Force Staff	53	3.2%	54.7%
Mithril Hammer	53	3.2%	28.3%
Maelstrom	51	3.1%	23.5%
Octarine Core	49	3.0%	61.2%
Daedalus	48	2.9%	62.5%
Eternal Shroud	48	2.9%	58.3%
Kaya and Sange	46	2.8%	67.4%
Point Booster	46	2.8%	32.6%
Solar Crest	45	2.7%	40.0%
Tango	45	2.7%	35.6%
Diffusal Blade	44	2.6%	45.5%
Staff of Wizardry	44	2.6%	15.9%
Hand of Midas	43	2.6%	39.5%
Buckler	42	2.5%	31.0%