MARSHALL WACE, LLP

Position in PKG — Packaging Corp Of America

CIK 1318757 LONDON, X0

Position in PKG

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

Position Value

$7,642,253

+$2,961,657 QoQ

Shares Held

36,011

+58.7% QoQ

Ownership

0.040%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

10 quarters on record

Voting authority Sole 0.ToString("F0")% Shared 100.ToString("F0")% None 0.ToString("F0")%

Consumer Cyclical · as of Mar 31, 2026

MARSHALL WACE, LLP holds $101,060,108 across 11 Packaging & Containers names. PKG ranks #5 (7.6% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	IP	International Paper Co /New/	779,298	$27,820,938
2	GPK	Graphic Packaging Holding Co	2,713,609	$26,973,272
3	SEE	SEALED AIR CORP/DE	371,372	$15,616,192
4	SW	Smurfit Westrock plc	199,086	$7,933,576
5	PKG	Packaging Corp Of America This page	36,011	$7,642,253
6	AMCR	Amcor plc	164,271	$6,529,771
7	OI	O-I Glass, Inc. /DE/	388,382	$4,081,894
8	GEF	Greif, Inc	24,300	$1,629,801

10 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$7,642,253	36,011	+58.7%	Shares	Other	2026-05-15
2025-12-31	$4,680,596	22,696	+50.3%	Shares	Other	2026-02-13
2025-09-30	$3,290,743	15,100	-70.7%	Shares	Other	2025-11-13
2025-06-30	$9,727,788	51,620	-86.4%	Shares	Other	2025-08-13
2025-03-31	$75,045,222	378,978	+171.4%	Shares	Other	2025-05-15
2024-12-31	$31,432,198	139,618	+1623.7%	Shares	Other	2025-02-13
2023-06-30	$1,070,496	8,100	+9.2%	Shares	Other	2023-08-14
2021-03-31	$997,707	7,419	-96.2%	Shares	Sole	2021-05-17
2020-06-30	$19,272,677	193,113	-10.6%	Shares	Sole	2020-08-13
2020-03-31	$18,746,336	215,897	—	Shares	Sole	2020-05-15
No filing history on record for this holder in this stock.