Allegedly

Items in their inventory when the game ended, across 526 games.

Item	Games	Of all games	Win rate
Power Treads	163	31.0%	42.9%
Black King Bar	125	23.8%	56.8%
Aghanim's Scepter	120	22.8%	56.7%
Magic Wand	111	21.1%	38.7%
Phase Boots	108	20.5%	53.7%
Bracer	83	15.8%	48.2%
Blade Mail	76	14.4%	52.6%
Blink Dagger	76	14.4%	39.5%
Guardian Greaves	73	13.9%	65.8%
Pipe of Insight	67	12.7%	58.2%
Assault Cuirass	61	11.6%	77.0%
Wraith Band	61	11.6%	37.7%
Hurricane Pike	57	10.8%	45.6%
Shiva's Guard	55	10.5%	67.3%
Crimson Guard	50	9.5%	64.0%
Heart of Tarrasque	45	8.6%	71.1%
Arcane Boots	43	8.2%	41.9%
Quelling Blade	43	8.2%	41.9%
Radiance	42	8.0%	64.3%
Boots of Travel	42	8.0%	47.6%
Silver Edge	41	7.8%	58.5%
Abyssal Blade	38	7.2%	73.7%
Vladmir's Offering	38	7.2%	44.7%
Overwhelming Blink	37	7.0%	78.4%
Echo Sabre	36	6.8%	55.6%
Eul's Scepter of Divinity	35	6.7%	51.4%
Octarine Core	33	6.3%	57.6%
Desolator	33	6.3%	51.5%
Aether Lens	31	5.9%	41.9%
Tranquil Boots	30	5.7%	53.3%
Soul Ring	28	5.3%	57.1%
Null Talisman	28	5.3%	42.9%
Iron Branch	28	5.3%	28.6%
Manta Style	25	4.8%	64.0%
Sange and Yasha	25	4.8%	44.0%
Skull Basher	24	4.6%	54.2%
Daedalus	23	4.4%	56.5%
Diffusal Blade	23	4.4%	47.8%
Mjollnir	22	4.2%	59.1%
Glimmer Cape	21	4.0%	38.1%
Boots of Travel 2	20	3.8%	80.0%
Tango	19	3.6%	31.6%
Ogre Axe	19	3.6%	31.6%
Butterfly	18	3.4%	72.2%
Heaven's Halberd	17	3.2%	58.8%
Monkey King Bar	17	3.2%	41.2%
Yasha and Kaya	16	3.0%	68.8%
Lotus Orb	16	3.0%	56.3%
Hand of Midas	16	3.0%	50.0%
Platemail	16	3.0%	37.5%
Point Booster	16	3.0%	25.0%
Ring of Tarrasque	15	2.9%	40.0%
Shadow Blade	15	2.9%	26.7%
Battle Fury	14	2.7%	35.7%
Eternal Shroud	13	2.5%	69.2%
Gleipnir	13	2.5%	61.5%
Force Staff	13	2.5%	61.5%
Veil of Discord	13	2.5%	53.8%
Vanguard	13	2.5%	46.2%
Mask of Madness	13	2.5%	46.2%