WOODSTOCK CORP

Position in ALDX — Aldeyra Therapeutics, Inc.

CIK 1008877 BOSTON, MA

Position in ALDX

as of Jun 30, 2026 · filed Jul 13, 2026 Compact

Position Value

$517,070

+$66,253 QoQ

Shares Held

242,756

-9.0% QoQ

Ownership

0.402%

of shares outstanding

% of Portfolio

0.05%

of 13F equity value

Holder Rank

#27

of 107 holders

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Healthcare · as of Jun 30, 2026

WOODSTOCK CORP holds $23,238,186 across 10 Biotechnology names. ALDX ranks #5 (2.2% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	REGN	Regeneron Pharmaceuticals, Inc.	20,518	$12,793,793
2	LGND	Ligand Pharmaceuticals Inc	18,345	$5,798,671
3	VRTX	Vertex Pharmaceuticals Inc / Ma	4,005	$1,989,403
4	EYPT	EyePoint, Inc.	68,465	$979,049
5	ALDX	Aldeyra Therapeutics, Inc. This page	242,756	$517,070
6	BMRN	Biomarin Pharmaceutical Inc	8,176	$467,830
7	RARE	Ultragenyx Pharmaceutical Inc.	9,191	$306,887
8	DRTS	Alpha Tau Medical Ltd.	20,609	$259,261

25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$517,070	242,756	-9.0%	Shares	Sole	2026-07-13
2026-03-31	$450,817	266,756	0.0%	Shares	Sole	2026-04-08
2025-12-31	$1,381,796	266,756	0.0%	Shares	Sole	2026-01-14
2025-09-30	$1,392,466	266,756	0.0%	Shares	Sole	2025-10-07
2025-06-30	$1,021,675	266,756	+19.6%	Shares	Sole	2025-07-09
2025-03-31	$1,282,790	223,094	+14.5%	Shares	Sole	2025-04-09
2024-12-31	$972,645	194,919	+7.8%	Shares	Sole	2025-01-15
2024-09-30	$974,544	180,806	0.0%	Shares	Sole	2024-10-11
2024-06-30	$598,467	180,806	+5.9%	Shares	Sole	2024-07-08
2024-03-31	$558,238	170,715	+46.3%	Shares	Sole	2024-04-09
2023-12-31	$409,631	116,704	-14.9%	Shares	Sole	2024-01-08
2023-09-30	$916,355	137,179	0.0%	Shares	Sole	2023-10-10
2023-06-30	$1,150,931	137,179	0.0%	Shares	Sole	2023-07-07
2023-03-31	$1,362,187	137,179	0.0%	Shares	Sole	2023-04-06
2022-12-31	$954,765	137,179	+6.2%	Shares	Sole	2023-01-10
2022-09-30	$689,815	129,179	+23.3%	Shares	Sole	2022-10-11
2022-06-30	$417,888	104,734	+47.5%	Shares	Sole	2022-07-11
2022-03-31	$315,586	70,998	-52.1%	Shares	Sole	2022-04-07
2021-09-30	$1,300,072	148,072	0.0%	Shares	Sole	2021-10-05
2021-06-30	$1,677,655	148,072	0.0%	Shares	Sole	2021-07-06
2021-03-31	$1,759,095	148,072	0.0%	Shares	Sole	2021-04-05
2020-12-31	$1,015,773	148,072	0.0%	Shares	Sole	2021-01-06
2020-09-30	$1,097,213	148,072	0.0%	Shares	Sole	2020-10-02
2020-06-30	$617,460	148,072	+10.7%	Shares	Sole	2020-07-07
2020-03-31	$330,451	133,786	—	Shares	Sole	2020-04-03
No filing history on record for this holder in this stock.