Aperio Group, LLC reports 1.55% increase in ownership of GFF / Griffon Corporation

그리폰 코퍼레이션

US ˙ NYSE ˙ US3984331021

Security	GFF / Griffon Corporation
Institution	Aperio Group, LLC
Latest Disclosed Ownership	16,785 shares
Latest Disclosed Value	$ 342,000

On February 5, 2021 - Aperio Group, LLC filed a 13F-HR form disclosing ownership of 16,785 shares of Griffon Corporation (US:GFF) valued at $342,078 USD as of December 31, 2020. The entity filed a previous 13F-HR on November 6, 2020 disclosing 16,529 shares of Griffon Corporation. This represents a change in shares of 1.55% during the quarter. The current value of the position is $1,435,118 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)

File Date	Effective Date	Form	Security	Class	ID	Reported Shares	ΔShares	ΔShares (%)	Reported Value (x1000)	ΔValue (%)	Alloc (%)
2021-02-05	2020-12-31	13F	GRIFFON	COM	398433102	16,785	256	1.55	342	5.88	0.0010
2020-11-06	2020-09-30	13F	GRIFFON	COM	398433102	16,529	-164	-0.98	323	4.53	0.0011
2020-08-13	2020-06-30	13F	GRIFFON	COM	398433102	16,693	3,413	25.70	309	83.93	0.0011
2020-05-05	2020-03-31	13F	GRIFFON	COM	398433102	13,280	925	7.49	168	-33.07	0.0007
2020-02-13	2019-12-31	13F	GRIFFON	COM	398433102	12,355	519	4.38	251	1.21	0.0009
2019-11-06	2019-09-30	13F	GRIFFON	COM	398433102	11,836	4,036	51.74	248	87.88	0.0010
2019-07-30	2019-06-30	13F	GRIFFON	COM	398433102	7,800	-2,833	-26.64	132	-32.65	0.0005
2019-05-13	2019-03-31	13F	GRIFFON	COM	398433102	10,633	10,633		196		0.0008
2019-05-03	2018-12-31	13F/A-1	GRIFFON CORP COM	COMMON	398433102	0	-12,345	-100.00	0	-100.00
2019-05-06	2018-09-30	13F/A-1	GRIFFON	COM	398433102	12,345	1,759	16.62	199	5.85	0.0009
2018-10-17	2018-09-30	13F	GRIFFON CORP COM	COMMON	398433102	12,345	1,759		199
2019-05-06	2018-06-30	13F/A-1	GRIFFON	COM	398433102	10,586	-2,347	-18.15	188	-20.34	0.0009
2018-07-30	2018-06-30	13F	GRIFFON CORP COM	COMMON	398433102	10,586	-2,347		188
2019-05-01	2018-03-31	13F/A-1	GRIFFON	COM	398433102	12,933	-895	-6.47	236	-16.01	0.0012
2018-05-08	2018-03-31	13F	GRIFFON CORP COM	COMMON	398433102	12,933	-895		236
2019-05-01	2017-12-31	13F/A-1	GRIFFON	COM	398433102	13,828	-575	-3.99	281	-12.19	0.0015
2018-02-02	2017-12-31	13F	GRIFFON CORP COM	COMMON	398433102	13,828	-575		281
2019-05-01	2017-09-30	13F/A-1	GRIFFON	COM	398433102	14,403	856	6.32	320	7.74	0.0018
2017-10-25	2017-09-30	13F	GRIFFON CORP COM	COMMON	398433102	14,403	856		320
2019-04-22	2017-06-30	13F/A-1	GRIFFON	COM	398433102	13,547	-1,222	-8.27	297	-18.41	0.0018
2017-07-18	2017-06-30	13F	GRIFFON CORP COM	COMMON	398433102	13,547	-1,222		297
2019-04-22	2017-03-31	13F/A-1	GRIFFON	COM	398433102	14,769	252	1.74	364	-4.21	0.0025
2017-05-05	2017-03-31	13F	GRIFFON CORP COM	COMMON	398433102	14,769	252		364
2019-04-22	2016-12-31	13F/A-1	GRIFFON	COM	398433102	14,517	-701	-4.61	380	46.72	0.0029
2017-02-14	2016-12-31	13F	GRIFFON CORP COM	COMMON	398433102	14,517	-701		380
2019-04-12	2016-09-30	13F/A-1	GRIFFON	COM	398433102	15,218	264	1.77	259	2.78	0.0019
2016-11-01	2016-09-30	13F	GRIFFON CORP COM	COMMON	398433102	15,218	264		259
2019-04-12	2016-06-30	13F/A-1	GRIFFON	COM	398433102	14,954	655	4.58	252	14.03	0.0020
2016-08-12	2016-06-30	13F	GRIFFON CORP COM	COMMON	398433102	14,954	655		252
2019-04-12	2016-03-31	13F/A-1	GRIFFON	COM	398433102	14,299	-1,553	-9.80	221	-21.63	0.0019
2016-04-28	2016-03-31	13F	GRIFFON CORP COM	COMMON	398433102	14,299	-1,553		221
2016-01-21	2015-12-31	13F	GRIFFON CORP COM	COMMON	398433102	15,852	4,407	38.51	282	56.67	0.0026
2015-10-19	2015-09-30	13F	GRIFFON CORP COM	COMMON	398433102	11,445	-910	-7.37	180	-8.63	0.0018
2015-07-29	2015-06-30	13F	GRIFFON CORP COM	COMMON	398433102	12,355	272	2.25	197	-6.64	0.0020
2015-04-29	2015-03-31	13F	GRIFFON CORP COM	COMMON	398433102	12,083			211

Legend

Shares: The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value: The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price: The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class: This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred

Allocation (%): The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation: The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%): The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis: The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss: This is the market value of the position as of the effective date minus the cost basis.