Janus Henderson Group
PRM icon

Janus Henderson Group’s Perimeter Solutions PRM Stock Holding History

Janus Henderson Group’s Portfolio PRM Stock Details PRM Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$97.9M Buy
4,007,536
+315,763
+9% +$8.06M 0.05% 285
2025
Q4 		$102M Buy
3,691,773
+1,308,602
+55% +$33.1M 0.05% 284
2025
Q3 		$53.4M Sell
2,383,171
-310,926
-12% -$5.89M 0.02% 392
2025
Q2 		$37.5M Hold
2,694,097
– – 0.02% 437
2025
Q1 		$27.7M Sell
2,694,097
-331,293
-11% -$3.72M 0.02% 497
2024
Q4 		$38.7M Buy
3,025,390
+327,210
+12% +$4.27M 0.02% 438
2024
Q3 		$36.3M Sell
2,698,180
-1,653
-0.1% -$17.1K 0.02% 456
2024
Q2 		$21.1M Buy
2,699,833
+9,402
+0.3% +$70.3K 0.01% 556
2024
Q1 		$20M Sell
2,690,431
-32,318
-1% -$174K 0.01% 564
2023
Q4 		$12.5M Buy
2,722,749
+9,489
+0.3% +$36.4K 0.01% 629
2023
Q3 		$12.3M Sell
2,713,260
-7,052
-0.3% -$39.3K 0.01% 625
2023
Q2 		$16.7M Sell
2,720,312
-9,408
-0.3% -$63K 0.01% 587
2023
Q1 		$22.1M Buy
2,729,720
+21,614
+0.8% +$186K 0.01% 560
2022
Q4 		$24.8M Sell
2,708,106
-2
-0% -$18 0.02% 519
2022
Q3 		$21.7M Sell
2,708,108
-10,290
-0.4% -$106K 0.02% 540
2022
Q2 		$29.5M Buy
2,718,398
+1,263,367
+87% +$13.5M 0.02% 504
2022
Q1 		$17.6M Sell
1,455,031
-5,983
-0.4% -$75.2K 0.01% 777
2021
Q4 		$20.3M Buy
+1,461,014
New +$18.5M 0.01% 785

Other funds holding PRM

WPL
WINDACRE PARTNERSHIP LLC Houston, Texas $10.1B AUM 10.46% 1-Year Est. Return
Principal Financial Group
Principal Financial Group Des Moines, Iowa $204B AUM 27.99% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
DDC
DF Dent & Co Baltimore, Maryland $5.27B AUM 7.89% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
BCP
Balance Capital Partners New York $139M AUM

Janus Henderson Group's PRM Position: Q1 2026 in Review

Janus Henderson Group increased its Perimeter Solutions (PRM) stake by 8.6% in Q1 2026, buying an estimated $8.06M and bringing the position to 4,007,536 shares worth $97.9M. The position accounts for 0.05% of the portfolio, ranked #285.

Janus Henderson Group first reported a position in PRM in Q4 2021 and has held it in 18 quarters since. The position peaked at $102M in Q4 2025. 293 funds tracked by Wall St. Rank hold PRM as of Q1 2026.

  • Janus Henderson Group held 4,007,536 shares of Perimeter Solutions worth $97.9M as of Q1 2026.
  • Janus Henderson Group bought 315,763 Perimeter Solutions shares in Q1 2026, an estimated $8.06M.
  • Perimeter Solutions made up 0.05% of Janus Henderson Group's portfolio in Q1 2026, its #285 holding.
  • Janus Henderson Group first reported a position in Perimeter Solutions in Q4 2021 and has held it in 18 quarters since.
  • Janus Henderson Group's Perimeter Solutions position peaked at $102M in Q4 2025.
  • 293 funds tracked by Wall St. Rank held Perimeter Solutions as of Q1 2026.

Based on Janus Henderson Group's 13F filing for Q1 2026, filed 15 May 2026.