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Atria Investments’s Post Holdings POST Stock Holding History

Atria Investments’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 		$287K Buy
2,902
+690
+31% +$70.3K ﹤0.01% 1785
2025
Q4 		$219K Sell
2,212
-599
-21% -$62K ﹤0.01% 1919
2025
Q3 		$302K Sell
2,811
-106
-4% -$11.4K ﹤0.01% 1715
2025
Q2 		$318K Sell
2,917
-3,541
-55% -$397K ﹤0.01% 1686
2025
Q1 		$751K Sell
6,458
-791
-11% -$87.8K 0.01% 1126
2024
Q4 		$830K Sell
7,249
-310
-4% -$35.3K 0.01% 1080
2024
Q3 		$875K Buy
7,559
+835
+12% +$93.6K 0.01% 1039
2024
Q2 		$700K Buy
+6,724
New +$700K 0.01% 1128
2017
Q4 		– Sell
-6,282
Closed -$363K – 870
2017
Q3 		$363K Sell
6,282
-126
-2% -$6.9K 0.02% 540
2017
Q2 		$326K Buy
6,408
+139
+2% +$7.49K 0.02% 537
2017
Q1 		$359K Buy
+6,269
New +$345K 0.02% 465
2016
Q4 		– Sell
-4,754
Closed -$240K – 666
2016
Q3 		$240K Buy
+4,754
New +$261K 0.02% 457

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

Atria Investments's POST Position: Q1 2026 in Review

Atria Investments increased its Post Holdings (POST) stake by 31% in Q1 2026, buying an estimated $70.3K and bringing the position to 2,902 shares worth $287K. The position accounts for ﹤0.01% of the portfolio, ranked #1785.

Atria Investments first reported a position in POST in Q3 2016 and has held it in 12 quarters since. The position peaked at $875K in Q3 2024. 425 funds tracked by Wall St. Rank hold POST as of Q1 2026.

  • Atria Investments held 2,902 shares of Post Holdings worth $287K as of Q1 2026.
  • Atria Investments bought 690 Post Holdings shares in Q1 2026, an estimated $70.3K.
  • Post Holdings made up ﹤0.01% of Atria Investments's portfolio in Q1 2026, its #1785 holding.
  • Atria Investments first reported a position in Post Holdings in Q3 2016 and has held it in 12 quarters since.
  • Atria Investments's Post Holdings position peaked at $875K in Q3 2024.
  • 425 funds tracked by Wall St. Rank held Post Holdings as of Q1 2026.

Based on Atria Investments's 13F filing for Q1 2026, filed 5 May 2026.