W. R. Berkley (WRB) 13F-HR/A Quarterly holdings report by institutional manager (amended)

The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.
The reader should not assume that the information is accurate and complete.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F INFORMATION TABLE

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COLUMN 1	COLUMN 2	COLUMN 3	COLUMN 4	COLUMN 5			COLUMN 6	COLUMN 7	COLUMN 8
			VALUE	SHRS OR	SH/	PUT/	INVESTMENT	OTHER	VOTING AUTHORITY
NAME OF ISSUER	TITLE OF CLASS	CUSIP	(x$1000)	PRN AMT	PRN	CALL	DISCRETION	MANAGER	SOLE	SHARED	NONE
1347 CAP CORP	COM	68245V103	1,137	115,462	SH		SOLE		115,462	0	0
1347 CAP CORP	RIGHT 07/21/2016	68245V111	3	97,833	SH		SOLE		97,833	0	0
ACE LTD	SHS	H0023R105	65	14,400	SH	Call	SOLE		14,400	0	0
ANDINA ACQUISITION CORP II	UNIT 99/99/9999	G0441P112	954	96,160	SH		SOLE		96,160	0	0
AR CAP ACQUISITION CORP	*W EXP 10/06/201	00191R117	10	54,189	SH		SOLE		54,189	0	0
AR CAP ACQUISITION CORP	COM	00191R109	11,344	1,165,839	SH		SOLE		1,165,839	0	0
AR CAP ACQUISITION CORP	UNIT 10/06/2019	00191R208	2,452	252,041	SH		SOLE		252,041	0	0
AROWANA INC	UNIT 99/99/9999	G05011138	1,933	192,320	SH		SOLE		192,320	0	0
ATLANTIC ALLIANCE PARTNER CO	SHS	G04897107	1,433	141,733	SH		SOLE		141,733	0	0
BIOMED REALTY TRUST INC	COM	09063H107	1,783	75,249	SH		SOLE		75,249	0	0
BLOUNT INTL INC NEW	COM	095180105	1,182	120,464	SH		SOLE		120,464	0	0
BOARDWALK PIPELINE PARTNERS	UT LTD PARTNER	096627104	191	14,726	SH		SOLE		14,726	0	0
BOULDER BRANDS INC	COM	101405108	1,056	96,160	SH		SOLE		96,160	0	0
BOULEVARD ACQUISITION	*W EXP 09/25/202	10157Q110	63	96,160	SH		SOLE		96,160	0	0
BOULEVARD ACQUISITION	CL A	10157Q102	9,544	968,974	SH		SOLE		968,974	0	0
BOULEVARD ACQUISITION	UNIT 99/99/9999	10157Q201	6,360	642,389	SH		SOLE		642,389	0	0
CAPITOL ACQUISITION CORP III	COM	14055M106	7,385	769,280	SH		SOLE		769,280	0	0
CAPITOL ACQUISITION CORP III	UNIT 99/99/9999	14055M205	5,045	506,942	SH		SOLE		506,942	0	0
CNA FINL CORP	COM	126117100	1,152	32,760	SH		SOLE		32,760	0	0
DOUBLE EAGLE ACQUISITION COR	*W EXP 09/16/202	G28195116	45	171,101	SH		SOLE		171,101	0	0
DOUBLE EAGLE ACQUISITION COR	COM	G28195124	12,310	1,287,675	SH		SOLE		1,287,675	0	0
DOUBLE EAGLE ACQUISITION COR	UNIT 99/99/9999	G28195108	2,749	274,895	SH		SOLE		274,895	0	0
EASTERLY ACQUISITION CORP	UNIT 99/99/9999	27616L201	2,208	217,559	SH		SOLE		217,559	0	0
ELECTRUM SPL ACQUISITION COR	SHS	G3105C104	11,286	1,170,747	SH		SOLE		1,170,747	0	0
FINTECH ACQUISITION CORP	*W EXP 02/19/202	31809H118	21	85,986	SH		SOLE		85,986	0	0
FINTECH ACQUISITION CORP	COM	31809H100	935	95,860	SH		SOLE		95,860	0	0
GARNERO GROUP ACQUISITION CO	*W EXP 06/24/201	G5866L116	12	95,533	SH		SOLE		95,533	0	0
GARNERO GROUP ACQUISITION CO	RIGHT 06/25/2016	G5866L132	62	258,619	SH		SOLE		258,619	0	0
GARNERO GROUP ACQUISITION CO	SHS	G5866L108	2,715	276,782	SH		SOLE		276,782	0	0
GLOBAL PARTNER ACQUISITION C	*W EXP 07/01/202	37954X113	93	259,092	SH		SOLE		259,092	0	0
GLOBAL PARTNER ACQUISITION C	COM	37954X105	3,035	306,596	SH		SOLE		306,596	0	0
GORES HLDGS INC	CL A	382866101	1,923	192,320	SH		SOLE		192,320	0	0
GORES HLDGS INC	UNIT 99/99/9999	382866200	7,677	767,680	SH		SOLE		767,680	0	0
GP INVTS ACQUISITION COR	SHS	G40357124	462	48,080	SH		SOLE		48,080	0	0
GP INVTS ACQUISITION COR	UNIT 99/99/9999	G40357116	514	51,701	SH		SOLE		51,701	0	0
HARMONY MERGER CORP	COM	413247107	3,013	306,872	SH		SOLE		306,872	0	0
HEARTLAND PMT SYS INC	COM	42235N108	6,291	66,350	SH		SOLE		66,350	0	0
HENNESSY CAP ACQUISITION COR	*W EXP 07/28/202	42588J118	9	47,213	SH		SOLE		47,213	0	0
HENNESSY CAP ACQUISITION COR	COM	42588J100	8,504	882,141	SH		SOLE		882,141	0	0
HENNESSY CAP ACQUISITION COR	UNIT 99/99/9999	42588J209	236	24,057	SH		SOLE		24,057	0	0
HYDRA INDS ACQUISITION CORP	*W EXP 10/20/202	448740118	19	87,697	SH		SOLE		87,697	0	0
HYDRA INDS ACQUISITION CORP	COM	448740100	4,300	442,336	SH		SOLE		442,336	0	0
HYDRA INDS ACQUISITION CORP	RIGHT 99/99/9999	448740126	40	174,492	SH		SOLE		174,492	0	0
METRO BANCORP INC PA	COM	59161R101	4,224	134,612	SH		SOLE		134,612	0	0
NCR CORP NEW	COM	62886E108	328	13,400	SH		SOLE		13,400	0	0
NCR CORP NEW	COM	62886E108	139	13,400	SH	Put	SOLE		13,400	0	0
PACE HLDGS CORP	*W EXP 99/99/999	G6865N111	20	144,240	SH		SOLE		144,240	0	0
PACE HLDGS CORP	CL A	G6865N103	1,428	144,240	SH		SOLE		144,240	0	0
PACE HLDGS CORP	UNIT 99/99/9999	G6865N129	4,357	427,164	SH		SOLE		427,164	0	0
PARTNERRE LTD	COM	G6852T105	134	26,500	SH	Call	SOLE		26,500	0	0
PEP BOYS MANNY MOE & JACK	COM	713278109	2	44,300	SH	Put	SOLE		44,300	0	0
PRECISION CASTPARTS CORP	COM	740189105	16,508	71,150	SH		SOLE		71,150	0	0
PRECISION CASTPARTS CORP	COM	740189105	54	29,600	SH	Put	SOLE		29,600	0	0
PRECISION CASTPARTS CORP	COM	740189105	155	34,500	SH	Call	SOLE		34,500	0	0
PFIZER INC	COM	717081103	623	19,300	SH		SOLE		19,300	0	0
PMC-SIERRA INC	COM	69344F106	2,196	188,968	SH		SOLE		188,968	0	0
PMC-SIERRA INC	COM	69344F106	0	4,800	SH	Put	SOLE		4,800	0	0
PMC-SIERRA INC	COM	69344F106	177	48,600	SH	Call	SOLE		48,600	0	0
QUINPARIO ACQUISITION CORP 2	*W EXP 01/01/202	74874U119	108	526,846	SH		SOLE		526,846	0	0
QUINPARIO ACQUISITION CORP 2	COM	74874U101	19,341	1,993,930	SH		SOLE		1,993,930	0	0
TERRAPIN 3 ACQUISITION CORP	COM CL A	88104P104	7,631	773,950	SH		SOLE		773,950	0	0
TERRAPIN 3 ACQUISITION CORP	UNIT 06/27/2019	88104P203	1,912	189,915	SH		SOLE		189,915	0	0
VIACOM INC NEW	CL B	92553P201	850	20,660	SH		SOLE		20,660	0	0
WAUSAU PAPER CORP	COM	943315101	91	8,859	SH		SOLE		8,859	0	0
WAUSAU PAPER CORP	COM	943315101	4	19,300	SH	Put	SOLE		19,300	0	0
WL ROSS HLDG CORP	*W EXP 06/11/201	92939D112	18	55,918	SH		SOLE		55,918	0	0
WL ROSS HLDG CORP	COM SHS	92939D104	14,974	1,503,381	SH		SOLE		1,503,381	0	0
HEALTHEQUITY INC	EQUITY	42226A107	300,067	11,969,151	SH		SOLE		11,969,151	0	0
POTASH CORP. OF SASKATCHEWAN INC.	EQUITY	73755L107	18,641	1,088,858	SH		SOLE		1,088,858	0	0
AMERICAN RESIDENTIAL PPTYS I	COM	02927E303	2,525	133,609	SH		SOLE		133,609	0	0
DIAMOND FOODS INC	COM	252603105	1,671	43,348	SH		SOLE		43,348	0	0
KEURIG GREEN MTN INC	COM	49271M100	864	9,600	SH		SOLE		9,600	0	0
KEURIG GREEN MTN INC	COM	49271M100	1,523	202,700	SH	Call	SOLE		202,700	0	0
KING DIGITAL ENTMT PLC	ORD SHS	G5258J109	6,437	360,023	SH		SOLE		360,023	0	0
LIBERTY GLOBAL PLC	SHS CL C	G5480U120	876	21,482	SH		SOLE		21,482	0	0
NEWBRIDGE BANCORP	CL A NO PAR	65080T102	1,860	152,675	SH		SOLE		152,675	0	0
INLAND REAL ESTATE CORP	REDM PFD SER B	457461507	644	25,625	SH		SOLE		25,625	0	0
PULASKI FINL CORP	COM	745548107	2,677	167,744	SH		SOLE		167,744	0	0
RITE AID CORP	COM	767754104	165	119,400	SH	Call	SOLE		119,400	0	0
SIRONA DENTAL SYSTEMS INC	COM	82966C103	2,107	19,232	SH		SOLE		19,232	0	0
TELECOMMUNICATION SYS INC	CL A	87929J103	490	98,561	SH		SOLE		98,561	0	0