Jane Street
POST icon

Jane Street’s Post Holdings POST Stock Holding History

Jane Street’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 		$771K Buy
+7,800
New +$795K ﹤0.01% 7066
2024
Q4 		– Sell
-13,000
Closed -$1.5M – 10297
2024
Q3 		$1.5M Buy
+13,000
New +$1.46M ﹤0.01% 5042
2024
Q2 		– Sell
-2,300
Closed -$244K – 10006
2024
Q1 		$244K Buy
+2,300
New +$231K ﹤0.01% 7876
2023
Q1 		– Sell
-14,900
Closed -$1.34M – 9725
2022
Q4 		$1.34M Buy
14,900
+3,800
+34% +$339K ﹤0.01% 4498
2022
Q3 		$909K Sell
11,100
-30,500
-73% -$2.64M ﹤0.01% 5575
2022
Q2 		$3.43M Buy
41,600
+32,400
+352% +$2.51M ﹤0.01% 3230
2022
Q1 		$636K Sell
9,200
-31,750
-78% -$2.22M ﹤0.01% 7023
2021
Q4 		$3.02M Buy
+40,950
New +$2.81M ﹤0.01% 3667
2021
Q3 		– Sell
-10,543
Closed -$748K – 10547
2021
Q2 		$748K Buy
10,543
+764
+8% +$56.3K ﹤0.01% 6456
2021
Q1 		$677K Sell
9,779
-6,876
-41% -$450K ﹤0.01% 6231
2020
Q4 		$1.1M Buy
+16,655
New +$1.03M ﹤0.01% 4495
2020
Q3 		– Sell
-48,285
Closed -$2.77M – 7754
2020
Q2 		$2.77M Buy
+48,285
New +$2.81M ﹤0.01% 2615
2019
Q1 		– Sell
-4,890
Closed -$285K – 5489
2018
Q4 		$285K Buy
+4,890
New +$295K ﹤0.01% 4125
2017
Q4 		– Sell
-3,820
Closed -$221K – 5049
2017
Q3 		$221K Buy
+3,820
New +$209K ﹤0.01% 4028
2017
Q2 		– Sell
-3,514
Closed -$201K – 4745
2017
Q1 		$201K Sell
3,514
-1,528
-30% -$84.2K ﹤0.01% 3862
2016
Q4 		$265K Buy
+5,042
New +$255K ﹤0.01% 3485
2016
Q3 		– Sell
-3,973
Closed -$215K – 4399
2016
Q2 		$215K Buy
+3,973
New +$192K ﹤0.01% 3667

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

Jane Street's POST Position: Q1 2026 in Review

Jane Street increased its Post Holdings (POST) stake by 2,039% in Q1 2026, buying an estimated $11.3M and bringing the position to 116,283 shares worth $11.5M. The position accounts for ﹤0.01% of the portfolio, ranked #2357.

Jane Street first reported a position in POST in Q3 2013 and has held it in 42 quarters since. 426 funds tracked by Wall St. Rank hold POST as of Q1 2026.

  • Jane Street held 116,283 shares of Post Holdings worth $11.5M as of Q1 2026.
  • Jane Street bought 110,847 Post Holdings shares in Q1 2026, an estimated $11.3M.
  • Post Holdings made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #2357 holding.
  • Jane Street first reported a position in Post Holdings in Q3 2013 and has held it in 42 quarters since.
  • 426 funds tracked by Wall St. Rank held Post Holdings as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.