CSS LLC’s Post Holdings POST Stock Holding History

CSS LLC’s Portfolio POST Stock Details POST Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q1	–	Sell	-2,000	Closed	-$229K	–	1056
2024 Q4	$229K	Buy	+2,000	New	+$228K	0.01%	755

Other funds holding POST

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

ROIC

Route One Investment Company San Francisco, California $2.35B AUM 11.7% 1-Year Est. Return

JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Holocene Advisors New York $41.5B AUM 42.97% 1-Year Est. Return

LCOV

London Company of Virginia Richmond, Virginia $16.2B AUM 17.5% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Two Sigma Investments New York $124B AUM 33.93% 1-Year Est. Return

CSS LLC's POST Position: Q1 2026 in Review

CSS LLC reduced its Post Holdings (POST) stake by 22% in Q1 2026, selling an estimated $167K and leaving 5,661 shares worth $560K. The position accounts for 0.03% of the portfolio, ranked #494.

CSS LLC first reported a position in POST in Q4 2013 and has held it in 25 quarters since. The position peaked at $3.91M in Q1 2022. 425 funds tracked by Wall St. Rank hold POST as of Q1 2026.

CSS LLC held 5,661 shares of Post Holdings worth $560K as of Q1 2026.
CSS LLC sold 1,640 Post Holdings shares in Q1 2026, an estimated $167K.
Post Holdings made up 0.03% of CSS LLC's portfolio in Q1 2026, its #494 holding.
CSS LLC first reported a position in Post Holdings in Q4 2013 and has held it in 25 quarters since.
CSS LLC's Post Holdings position peaked at $3.91M in Q1 2022.
425 funds tracked by Wall St. Rank held Post Holdings as of Q1 2026.

Based on CSS LLC's 13F filing for Q1 2026, filed 15 May 2026.