CSS LLC/IL

Position in POST — Post Holdings, Inc.

CIK 1103646 CHICAGO, IL

Back to POST Full portfolio

Position in POST

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

Position Value

$559,646

-$163,518 QoQ

Shares Held

5,661

-22.5% QoQ

Ownership

0.012%

of shares outstanding

% of Portfolio

0.11%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Sep 2021

19 quarters on record

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

Common Shares in POST Over Time

Shares Held

Position Value (USD)

Derivatives in POST

reported options exposure · as of Dec 31, 2024

CallValue

$228,920

CallShares

2,000

PutValue

PutShares

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Packaged Foods

Consumer Defensive · as of Mar 31, 2026

CSS LLC/IL holds $3,511,939 across 5 Packaged Foods names. POST ranks #3 (15.9% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	INGR	Ingredion Inc	11,235	$1,265,735
2	PPC	Pilgrims Pride Corp	30,887	$1,166,293
3	POST	Post Holdings, Inc. This page	5,661	$559,646
4	BRBR	Bellring Brands, Inc.	17,590	$283,023
5	SJM	J M SMUCKER Co	2,460	$237,242

All Filings in POST

Export CSV

24 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$559,646	5,661	-22.5%	Shares	Sole	2026-05-15
2025-12-31	$723,164	7,301	+11.8%	Shares	Sole	2026-02-17
2025-09-30	$701,951	6,531	+228.0%	Shares	Sole	2025-11-13
2025-06-30	$217,078	1,991	0.0%	Shares	Sole	2025-08-14
2025-03-31	$231,672	1,991	-0.4%	Shares	Sole	2025-05-15
2024-12-31	$228,920	2,000	+0.5%	Call	Sole	2025-02-18
2024-12-31	$227,889	1,991	-59.3%	Shares	Sole	2025-02-18
2024-09-30	$566,133	4,891	-10.9%	Shares	Sole	2024-11-14
2024-06-30	$571,942	5,491	0.0%	Shares	Sole	2024-08-14
2024-03-31	$583,583	5,491	0.0%	Shares	Sole	2024-05-15
2023-12-31	$483,537	5,491	-15.4%	Shares	Sole	2024-02-14
2023-09-30	$556,538	6,491	0.0%	Shares	Sole	2023-11-14
2023-06-30	$562,445	6,491	0.0%	Shares	Sole	2023-08-14
2023-03-31	$583,346	6,491	-0.1%	Shares	Sole	2023-05-15
2022-12-31	$586,599	6,499	-24.3%	Shares	Sole	2023-02-14
2022-09-30	$703,606	8,590	-52.8%	Shares	Sole	2022-11-14
2022-06-30	$1,497,946	18,190	+159.9%	Shares	Sole	2022-08-15
2022-06-30	$576,450	7,000	-87.6%	Put	Sole	2022-08-15
2022-03-31	$3,914,436	56,518	+2160.7%	Shares	Sole	2022-05-16
2022-03-31	$173,150	2,500	-34.4%	Put	Sole	2022-05-16
2021-12-31	$281,161	3,811	+376.4%	Shares	Sole	2022-02-14
2021-12-31	$59,020	800	+60.0%	Put	Sole	2022-02-14
2021-09-30	$36,047	500	-81.6%	Put	Sole	2021-11-15
2021-09-30	$195,447	2,711	—	Shares	Sole	2021-11-15
No filing history on record for this holder in this stock.