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R Squared’s Foster FSTR Stock Holding History

R Squared’s Portfolio FSTR Stock Details FSTR Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$241K Sell
8,649
-1,018
-11% -$30K 0.13% 266
2025
Q4 		$261K Buy
+9,667
New +$261K 0.12% 265
2025
Q1 		– Sell
-1,090
Closed -$29.3K – 738
2024
Q4 		$29.3K Buy
+1,090
New +$26.1K 0.03% 721

Other funds holding FSTR

BIP
Brandes Investment Partners La Jolla, California $14.1B AUM 25.52% 1-Year Est. Return
2L
22NW LP Seattle, Washington $146M AUM 29.83% 1-Year Est. Return
GI
GAMCO Investors Greenwich, Connecticut $10.2B AUM 30.27% 1-Year Est. Return
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
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Hotchkis & Wiley Capital Management
Hotchkis & Wiley Capital Management Los Angeles, California $32.4B AUM 17.21% 1-Year Est. Return

R Squared's FSTR Position: Q1 2026 in Review

R Squared reduced its Foster (FSTR) stake by 11% in Q1 2026, selling an estimated $30K and leaving 8,649 shares worth $241K. The position accounts for 0.13% of the portfolio, ranked #266.

R Squared first reported a position in FSTR in Q4 2024 and has held it in 3 quarters since. The position peaked at $261K in Q4 2025. 109 funds tracked by Wall St. Rank hold FSTR as of Q1 2026.

  • R Squared held 8,649 shares of Foster worth $241K as of Q1 2026.
  • R Squared sold 1,018 Foster shares in Q1 2026, an estimated $30K.
  • Foster made up 0.13% of R Squared's portfolio in Q1 2026, its #266 holding.
  • R Squared first reported a position in Foster in Q4 2024 and has held it in 3 quarters since.
  • R Squared's Foster position peaked at $261K in Q4 2025.
  • 109 funds tracked by Wall St. Rank held Foster as of Q1 2026.

Based on R Squared's 13F filing for Q1 2026, filed 29 Apr 2026.