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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
2026
Q1 		$560K Sell
5,661
-1,640
-22% -$167K 0.03% 494
2025
Q4 		$723K Buy
7,301
+770
+12% +$79.7K 0.03% 419
2025
Q3 		$702K Buy
6,531
+4,540
+228% +$487K 0.03% 425
2025
Q2 		$217K Hold
1,991
– – 0.01% 746
2025
Q1 		$232K Hold
1,991
– – 0.01% 679
2024
Q4 		$228K Sell
1,991
-2,900
-59% -$330K 0.01% 756
2024
Q3 		$566K Sell
4,891
-600
-11% -$67.3K 0.03% 463
2024
Q2 		$572K Hold
5,491
– – 0.03% 445
2024
Q1 		$584K Hold
5,491
– – 0.03% 398
2023
Q4 		$484K Sell
5,491
-1,000
-15% -$84.9K 0.03% 417
2023
Q3 		$557K Hold
6,491
– – 0.04% 354
2023
Q2 		$562K Hold
6,491
– – 0.03% 371
2023
Q1 		$583K Sell
6,491
-8
-0.1% -$728 0.04% 288
2022
Q4 		$587K Sell
6,499
-2,091
-24% -$186K 0.03% 351
2022
Q3 		$703K Sell
8,590
-9,600
-53% -$830K 0.03% 430
2022
Q2 		$1.5M Sell
18,190
-38,328
-68% -$2.97M 0.06% 345
2022
Q1 		$3.91M Buy
56,518
+50,695
+871% +$3.55M 0.14% 139
2021
Q4 		$429K Buy
5,823
+1,681
+41% +$115K 0.02% 698
2021
Q3 		$299K Buy
+4,142
New +$294K 0.01% 783
2016
Q1 		– Sell
-4,964
Closed -$200K – 716
2015
Q4 		$200K Sell
4,964
-1,528
-24% -$63.2K 0.01% 563
2015
Q3 		$251K Hold
6,492
– – 0.01% 538
2015
Q2 		$229K Buy
+6,492
New +$200K 0.01% 633
2014
Q3 		– Sell
-6,492
Closed -$216K – 787
2014
Q2 		$216K Hold
6,492
– – 0.01% 633
2014
Q1 		$234K Hold
6,492
– – 0.01% 544
2013
Q4 		$209K Buy
+6,492
New +$191K 0.01% 556

Other funds holding POST

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Dimensional Fund Advisors
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
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
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
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Two Sigma Investments
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.