Zoetis Inc. (ZTS): Billionaire William Ackman’s Pershing Square Sells 6 Million Shares

Page 2 of 7 – SEC Filing

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CUSIP No. 98978V103

1		NAME OF REPORTING PERSON Pershing Square Capital Management, L.P.
2		CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) (a)  ¨        (b)  ¨
3		SEC USE ONLY
4		SOURCE OF FUNDS (SEE INSTRUCTIONS) OO (See Item 3)
5		CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e) ¨
6		CITIZENSHIP OR PLACE OF ORGANIZATION Delaware
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH				7		SOLE VOTING POWER NONE
				8		SHARED VOTING POWER 18,891,304
				9		SOLE DISPOSITIVE POWER NONE
				10		SHARED DISPOSITIVE POWER 18,891,304
11		AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 18,891,304
12		CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) ¨
13		PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 3.8%*
14		TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) IA

*	This calculation is based on 496,202,370 shares of Common Stock, par value $0.01 per share (Common Stock), outstanding as of April 29, 2016 as reported in the Issuers Quarterly Report on Form 10-Q filed on May 6, 2016.