Filer Snapshot

WOODSTOCK CORP

CIK 0001008877. SEC filing timeline plus parsed ownership intelligence from 13F, 13D/G, and Forms 3/4/5 where available.

Entity Type

Company

Total Filings

113

Latest Filing

08 Apr 2026

Industry

n/a

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  • Open 13F if you want portfolio holdings.
  • Open 13D/G or insider pages only when this CIK has those rows.
Open 13F portfolio
Source: SEC Form 13F

13F-HR filed on 08 Apr 2026 for CIK 0001008877.

View Source Filing
Business address
21 Custom House Street, 5 Th Floor, Boston, MA, 02110
Top securities (13F)
NVDA, MSFT, ORLY, GOOG, AAPL, ISRG, GOOGL, RTX, COST, JPM, ABBV, XOM, HD, JNJ, FTNT, WMT, IWR, ORCL, REGN, and MRK
State of incorporation
MA
Fiscal year end
31 March

Filer intelligence

What SEC filings say about WOODSTOCK CORP

A compact read of parsed XML filings. 13F, 13D/G, and Forms 3/4/5 are shown separately because they answer different ownership questions.

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Quick read

  • Latest parsed 13F shows $1.12B across 156 reported holdings for Q1 2026.
  • Largest parsed 13F holding: NVDA at $95.31M.

SEC source mix

Counts show available parsed rows, not one combined ownership total.

XML parsed
13F portfolio 156 rows

Quarterly institutional portfolio holdings.

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13D/G stakes No rows yet

Beneficial ownership and large-stake disclosures.

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Forms 3/4/5 No rows yet

Officer, director, and 10% owner holdings or transactions.

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Top parsed 13F holdings

Visual share of the latest parsed 13F portfolio. Values are reported market value, not a recommendation.

Q1 2026 - 08 Apr 2026

NVDA

8.5%

NVIDIA Corp

$95.31M

MSFT

5.2%

Microsoft Corp

$58.58M

ORLY

4.6%

O'Reilly Automotive Inc

$51.37M

GOOG

4%

Alphabet Inc Class C

$45.42M

AAPL

3.8%

Apple Inc

$42.51M

Latest update

What changed recently for WOODSTOCK CORP

New filing available

Latest 13F period: Q1 2026. Open the source-backed page to inspect the fresh filing or facts context.

Update date

08 Apr 2026

Page type

Filer profile

Latest period

Q1 2026

Institutional portfolio context was refreshed from a 13F filing filed on 08 Apr 2026.

Open filer profile Browse recent public updates

Benchmark Context

Benchmark context for this company

WOODSTOCK CORP has a source-backed company facts view where you can compare the latest reported metrics with its own recent history and with peer rankings for the same metric.

Compared with

Start on the facts page for period-to-period context, then open a metric ranking when you want to compare the same reported fact across other SEC-reporting companies.

Why this is notable

Latest 13F period: Q1 2026. That gives you a fresh baseline before you compare this company with peers.

  • Peer comparisons stay conservative: same metric, compatible units, latest valid company row only.
  • Open the facts page first if you want the cleanest path to verification.

Benchmark context is only shown where the app has enough comparable SEC-backed data to keep the interpretation honest.

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Filer Overview

WOODSTOCK CORP has filed 113 SEC EDGAR filings since 24 May 1999. Common forms include 13F-HR, N-PX, 13F-HR/A.

WOODSTOCK CORP SEC filings WOODSTOCK CORP 13F portfolio

Latest Filings

Recent SEC filings for WOODSTOCK CORP with direct links to document and filing folders.

13F-HR File 028-05258

13F-HR filing

Filing date
08 Apr 2026
Reporting date
31 Mar 2026
SEC evidence
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13F-HR File 028-05258

13F-HR filing

Filing date
14 Jan 2026
Reporting date
31 Dec 2025
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13F-HR File 028-05258

13F-HR filing

Filing date
07 Oct 2025
Reporting date
30 Sep 2025
SEC evidence
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13F-HR File 028-05258

13F-HR filing

Filing date
09 Jul 2025
Reporting date
30 Jun 2025
SEC evidence
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N-PX File 028-05258

N-PX filing

Filing date
08 Jul 2025
Reporting date
30 Jun 2025
SEC evidence
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13F-HR File 028-05258

13F-HR filing

Filing date
09 Apr 2025
Reporting date
31 Mar 2025
SEC evidence
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13F-HR File 028-05258

13F-HR filing

Filing date
15 Jan 2025
Reporting date
31 Dec 2024
SEC evidence
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13F-HR File 028-05258

13F-HR filing

Filing date
11 Oct 2024
Reporting date
30 Sep 2024
SEC evidence
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N-PX File 028-05258

N-PX filing

Filing date
29 Aug 2024
Reporting date
30 Jun 2024
SEC evidence
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13F-HR File 028-05258

13F-HR filing

Filing date
08 Jul 2024
Reporting date
30 Jun 2024
SEC evidence
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13F-HR File 028-05258

13F-HR filing

Filing date
09 Apr 2024
Reporting date
31 Mar 2024
SEC evidence
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13F-HR File 028-05258

13F-HR filing

Filing date
08 Jan 2024
Reporting date
31 Dec 2023
SEC evidence
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13F-HR File 028-05258

13F-HR filing

Filing date
10 Oct 2023
Reporting date
30 Sep 2023
SEC evidence
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13F-HR File 028-05258

13F-HR filing

Filing date
07 Jul 2023
Reporting date
30 Jun 2023
SEC evidence
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13F-HR File 028-05258

13F-HR filing

Filing date
06 Apr 2023
Reporting date
31 Mar 2023
SEC evidence
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13F-HR File 028-05258

13F-HR filing

Filing date
10 Jan 2023
Reporting date
31 Dec 2022
SEC evidence
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13F-HR File 028-05258

13F-HR filing

Filing date
11 Oct 2022
Reporting date
30 Sep 2022
SEC evidence
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13F-HR File 028-05258

13F-HR filing

Filing date
11 Jul 2022
Reporting date
30 Jun 2022
SEC evidence
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13F-HR File 028-05258

13F-HR filing

Filing date
07 Apr 2022
Reporting date
31 Mar 2022
SEC evidence
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13F-HR File 028-05258

13F-HR filing

Filing date
07 Jan 2022
Reporting date
31 Dec 2021
SEC evidence
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13F-HR File 028-05258

13F-HR filing

Filing date
05 Oct 2021
Reporting date
30 Sep 2021
SEC evidence
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13F-HR File 028-05258

13F-HR filing

Filing date
06 Jul 2021
Reporting date
30 Jun 2021
SEC evidence
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13F-HR File 028-05258

13F-HR filing

Filing date
05 Apr 2021
Reporting date
31 Mar 2021
SEC evidence
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13F-HR File 028-05258

13F-HR filing

Filing date
06 Jan 2021
Reporting date
31 Dec 2020
SEC evidence
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13F-HR File 028-05258

13F-HR filing

Filing date
02 Oct 2020
Reporting date
30 Sep 2020
SEC evidence
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13F-HR File 028-05258

13F-HR filing

Filing date
07 Jul 2020
Reporting date
30 Jun 2020
SEC evidence
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13F-HR File 028-05258

13F-HR filing

Filing date
03 Apr 2020
Reporting date
31 Mar 2020
SEC evidence
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13F-HR File 028-05258

13F-HR filing

Filing date
13 Jan 2020
Reporting date
31 Dec 2019
SEC evidence
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13F-HR File 028-05258

13F-HR filing

Filing date
02 Oct 2019
Reporting date
30 Sep 2019
SEC evidence
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13F-HR File 028-05258

13F-HR filing

Filing date
03 Jul 2019
Reporting date
30 Jun 2019
SEC evidence
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13F-HR File 028-05258

13F-HR filing

Filing date
05 Apr 2019
Reporting date
31 Mar 2019
SEC evidence
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13F-HR File 028-05258

13F-HR filing

Filing date
08 Jan 2019
Reporting date
31 Dec 2018
SEC evidence
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13F-HR File 028-05258

13F-HR filing

Filing date
03 Oct 2018
Reporting date
30 Sep 2018
SEC evidence
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13F-HR File 028-05258

13F-HR filing

Filing date
23 Jul 2018
Reporting date
30 Jun 2018
SEC evidence
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13F-HR File 028-05258

13F-HR filing

Filing date
19 Apr 2018
Reporting date
31 Mar 2018
SEC evidence
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13F-HR File 028-05258

13F-HR filing

Filing date
24 Jan 2018
Reporting date
31 Dec 2017
SEC evidence
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13F-HR File 028-05258

13F-HR filing

Filing date
06 Oct 2017
Reporting date
30 Sep 2017
SEC evidence
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13F-HR File 028-05258

13F-HR filing

Filing date
13 Jul 2017
Reporting date
30 Jun 2017
SEC evidence
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13F-HR File 028-05258

13F-HR filing

Filing date
05 Apr 2017
Reporting date
31 Mar 2017
SEC evidence
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13F-HR File 028-05258

13F-HR filing

Filing date
06 Jan 2017
Reporting date
31 Dec 2016
SEC evidence
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13F-HR File 028-05258

13F-HR filing

Filing date
06 Oct 2016
Reporting date
30 Sep 2016
SEC evidence
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13F-HR File 028-05258

13F-HR filing

Filing date
03 Aug 2016
Reporting date
30 Jun 2016
SEC evidence
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13F-HR File 028-05258

13F-HR filing

Filing date
10 May 2016
Reporting date
31 Mar 2016
SEC evidence
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13F-HR File 028-05258

13F-HR filing

Filing date
11 Jan 2016
Reporting date
31 Dec 2015
SEC evidence
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13F-HR File 028-05258

13F-HR filing

Filing date
16 Oct 2015
Reporting date
30 Sep 2015
SEC evidence
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13F-HR File 028-05258

13F-HR filing

Filing date
07 Jul 2015
Reporting date
30 Jun 2015
SEC evidence
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13F-HR File 028-05258

13F-HR filing

Filing date
09 Apr 2015
Reporting date
31 Mar 2015
SEC evidence
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13F-HR File 028-05258

13F-HR filing

Filing date
13 Feb 2015
Reporting date
31 Dec 2014
SEC evidence
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13F-HR File 028-05258

13F-HR filing

Filing date
06 Oct 2014
Reporting date
30 Sep 2014
SEC evidence
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13F-HR File 028-05258

13F-HR filing

Filing date
07 Jul 2014
Reporting date
30 Jun 2014
SEC evidence
Open document Open filing
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13F-HR File 028-05258

13F-HR filing

Filing date
07 Apr 2014
Reporting date
31 Mar 2014
SEC evidence
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13F-HR File 028-05258

13F-HR filing

Filing date
13 Jan 2014
Reporting date
31 Dec 2013
SEC evidence
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13F-HR File 028-05258

13F-HR filing

Filing date
07 Oct 2013
Reporting date
30 Sep 2013
SEC evidence
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13F-HR File 028-05258

13F-HR filing

Filing date
09 Jul 2013
Reporting date
30 Jun 2013
SEC evidence
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13F-HR File 028-05258

MARCH 31, 2013 13F FILING

Filing date
08 Apr 2013
Reporting date
31 Mar 2013
SEC evidence
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13F-HR File 028-05258

DECEMBER 31, 2012 13F FILING

Filing date
10 Jan 2013
Reporting date
31 Dec 2012
SEC evidence
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13F-HR File 028-05258

SEPTEMBER 30, 2012 13F FILING

Filing date
09 Oct 2012
Reporting date
30 Sep 2012
SEC evidence
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13F-HR File 028-05258

JUNE 30, 2012 13F FILING

Filing date
06 Jul 2012
Reporting date
30 Jun 2012
SEC evidence
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13F-HR File 028-05258

MARCH 31, 2012 13F FILING

Filing date
09 Apr 2012
Reporting date
31 Mar 2012
SEC evidence
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Next action
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13F-HR File 028-05258

DECEMBER 31, 2011 13F FILING

Filing date
18 Jan 2012
Reporting date
31 Dec 2011
SEC evidence
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13F-HR File 028-05258

SEPTEMBER 30, 2011 13F FILING

Filing date
11 Oct 2011
Reporting date
30 Sep 2011
SEC evidence
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13F-HR File 028-05258

JUNE 30, 2011 13F FILING

Filing date
03 Aug 2011
Reporting date
30 Jun 2011
SEC evidence
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13F-HR File 028-05258

MARCH, 31 2011 13F FILING

Filing date
18 Apr 2011
Reporting date
31 Mar 2011
SEC evidence
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13F-HR File 028-05258

DECEMBER 31, 2010 13F FILING

Filing date
18 Jan 2011
Reporting date
31 Dec 2010
SEC evidence
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Next action
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13F-HR File 028-05258

SEPTEMBER 30, 2010 13F FILING

Filing date
18 Oct 2010
Reporting date
30 Sep 2010
SEC evidence
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13F-HR File 028-05258

JUNE 30, 2010 13F FILING

Filing date
19 Jul 2010
Reporting date
30 Jun 2010
SEC evidence
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Next action
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13F-HR File 028-05258

MARCH 31, 2010 13F FILING

Filing date
12 Apr 2010
Reporting date
31 Mar 2010
SEC evidence
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Next action
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13F-HR File 028-05258

DECEMBER 31, 2009 13F FILING

Filing date
15 Jan 2010
Reporting date
31 Dec 2009
SEC evidence
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Next action
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About this filer

WOODSTOCK CORP files with the SEC under CIK 0001008877. This page aggregates EDGAR filings and related ownership activity.

FAQ

What is a CIK?
A Central Index Key (CIK) is a unique identifier assigned by the SEC to each filer.
Why are some filings missing?
New filings appear as the SEC updates EDGAR, and older records can vary by availability.
How often is this page updated?
Updates follow new EDGAR submissions and periodic data refreshes.
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