D. E. Shaw & Co., Inc.

Position in PLAB — Photronics Inc

CIK 1009207 New York, NY

Back to PLAB Full portfolio

Position in PLAB

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$7,750,637

+$1,756,909 QoQ

Shares Held

191,800

+2.4% QoQ

Ownership

0.325%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 94.68196037539103.ToString("F0")% Shared 0.ToString("F0")% None 5.318039624608968.ToString("F0")%

Common Shares in PLAB Over Time

Shares Held

Position Value (USD)

Position in Semiconductor Equipment & Materials

Technology · as of Mar 31, 2026

D. E. Shaw & Co., Inc. holds $2,042,076,394 across 22 Semiconductor Equipment & Materials names. PLAB ranks #18 (0.4% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ASML	Asml Holding NV	415,578	$548,907,889
2	AMAT	Applied Materials Inc /De	1,009,618	$345,077,336
3	TER	Teradyne, Inc	866,712	$256,945,439
4	LRCX	Lam Research Corp	946,616	$202,253,973
5	ONTO	Onto Innovation Inc.	722,578	$148,179,070
6	Q	Qnity Electronics, Inc.	960,820	$110,859,411
7	UCTT	Ultra Clean Holdings, Inc.	1,183,257	$73,574,919
8	ICHR	Ichor Holdings, Ltd.	1,512,064	$70,477,302

All Filings in PLAB

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25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$7,750,637	191,800	+2.4%	Shares	Defined	2026-05-15
2025-12-31	$5,993,728	187,304	+285.8%	Shares	Defined	2026-02-17
2025-09-30	$1,114,221	48,550	-78.7%	Shares	Defined	2025-11-14
2025-06-30	$4,287,138	227,676	-48.9%	Shares	Defined	2025-08-14
2025-03-31	$9,248,620	445,502	+98.4%	Shares	Defined	2025-05-15
2024-12-31	$5,290,939	224,573	+13.8%	Shares	Defined	2025-02-14
2024-09-30	$4,886,113	197,339	+46.9%	Shares	Defined	2024-11-14
2024-06-30	$3,313,402	134,309	-33.7%	Shares	Defined	2024-08-14
2024-03-31	$5,733,270	202,446	-62.8%	Shares	Defined	2024-05-15
2023-12-31	$17,088,336	544,735	+14.6%	Shares	Defined	2024-02-14
2023-09-30	$9,604,276	475,224	+68.3%	Shares	Defined	2023-11-14
2023-06-30	$7,284,153	282,441	+44.2%	Shares	Defined	2023-08-14
2023-03-31	$3,248,370	195,921	+97.1%	Shares	Defined	2023-05-15
2022-12-31	$1,673,137	99,414	+15.2%	Shares	Defined	2023-02-14
2022-09-30	$1,261,662	86,297	+20.2%	Shares	Defined	2022-11-14
2022-06-30	$1,398,819	71,808	+54.0%	Shares	Defined	2022-08-15
2022-03-31	$791,480	46,640	-75.5%	Shares	Defined	2022-05-16
2021-12-31	$3,587,361	190,311	-30.5%	Shares	Defined	2022-02-14
2021-09-30	$3,734,524	273,993	-34.1%	Shares	Defined	2021-11-15
2021-06-30	$5,496,455	416,083	-34.0%	Shares	Defined	2021-08-16
2021-03-31	$8,102,494	630,054	-22.5%	Shares	Defined	2021-05-17
2020-12-31	$9,068,950	812,630	+9.1%	Shares	Defined	2021-02-16
2020-09-30	$7,418,586	744,838	+34.4%	Shares	Defined	2020-11-16
2020-06-30	$6,167,544	554,137	+8.3%	Shares	Defined	2020-08-14
2020-03-31	$5,248,092	511,510	—	Shares	Defined	2020-05-15
No filing history on record for this holder in this stock.