ISSUER PROFILE · CIK 0000081362 · CUSIP 747316107

Quaker Chemical CorporationKWR

19 13D/G filings 2 distinct filers 0 insider transactions (365d)

Post-Filing Returns · across 10 activist filings on this issuer

Median 30d

+1.1%

avg +1.4%

Median 60d

-4.5%

avg -8.7%

Median 90d

-23.9%

avg -22.3%

Median 180d

-10.0%

avg -10.8%

Returns measured from each activist filing's date_of_event, split + dividend adjusted via Yahoo Finance.

Cross-Reference Snapshot

Activist filings

1 SCHEDULE 13D/A · 10 SCHEDULE · 8 SC

Distinct filers

multi-activist cluster

Insiders (365d)

0 buys · 0 sales

Latest short DTC

12.02

as of 2026-05-29

13D/G Filings Timeline · 19 total

Filed	Form	Filer	Stake	Shares
2026-05-28	SCHEDULE 13D/A	Gulf Hungary Holding Korlatolt Felelossegu Tarsasag	21.00%	3,640,129	view →
2025-02-11	SCHEDULE	Gulf Hungary Holding Korlatolt Felelossegu Tarsasag	20.90%	3,715,129	view →
2025-02-06	SCHEDULE	Gulf Hungary Holding Korlatolt Felelossegu Tarsasag	21.00%	3,733,123	view →
2025-02-03	SCHEDULE	Gulf Hungary Holding Korlatolt Felelossegu Tarsasag	21.10%	3,751,117	view →
2025-01-29	SCHEDULE	Gulf Hungary Holding Korlatolt Felelossegu Tarsasag	21.20%	3,769,114	view →
2025-01-24	SCHEDULE	Gulf Hungary Holding Korlatolt Felelossegu Tarsasag	21.30%	3,787,112	view →
2025-01-21	SCHEDULE	Gulf Hungary Holding Korlatolt Felelossegu Tarsasag	21.40%	3,805,112	view →
2025-01-15	SCHEDULE	Gulf Hungary Holding Korlatolt Felelossegu Tarsasag	21.50%	3,823,112	view →
2025-01-10	SCHEDULE	Gulf Hungary Holding Korlatolt Felelossegu Tarsasag	21.60%	3,841,112	view →
2025-01-07	SCHEDULE	Gulf Hungary Holding Korlatolt Felelossegu Tarsasag	21.70%	3,853,112	view →
2025-01-02	SCHEDULE	Gulf Hungary Holding Korlatolt Felelossegu Tarsasag	21.80%	3,871,112	view →
2022-08-12	SC	Gulf Hungary Holding Korlatolt Felelossegu Tarsasag	—	—	view →
2022-07-18	SC	Gulf Hungary Holding Korlatolt Felelossegu Tarsasag	—	—	view →
2022-07-13	SC	Gulf Hungary Holding Korlatolt Felelossegu Tarsasag	—	—	view →
2021-03-11	SC	Gulf Hungary Holding Korlatolt Felelossegu Tarsasag	—	—	view →
2020-08-31	SC	Gulf Hungary Holding Korlatolt Felelossegu Tarsasag	—	—	view →
2020-05-28	SC	Gulf Hungary Holding Korlatolt Felelossegu Tarsasag	—	—	view →
2020-04-13	SC	Gulf Hungary Holding Korlatolt Felelossegu Tarsasag	—	—	view →
2018-01-09	SC	EAGLE ASSET MANAGEMENT INC	—	—	view →

FINRA Short Interest History

Settlement	Short Interest	Days to Cover	% Δ vs prior
2026-05-29	1,804,316	12.02	-2.4%
2026-05-15	1,848,405	10.83	-1.0%
2026-04-30	1,866,866	10.41	-0.1%
2026-04-15	1,868,755	10.36	-1.1%
2026-03-31	1,889,975	10.35	+2.7%
2026-03-13	1,840,587	10.39	-0.3%
2026-02-27	1,845,630	8.89	+1.5%
2026-02-13	1,818,652	10.29	-0.2%
2026-01-30	1,822,317	17.66	-6.2%
2026-01-15	1,942,373	16.64	-2.1%
2025-12-31	1,984,297	13.05	+1.5%
2025-12-15	1,954,696	17.66	+0.1%

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