Jane Street
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Jane Street’s RF Industries RFIL Stock Holding History

Jane Street’s Portfolio RFIL Stock Details RFIL Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		– Sell
-20,100
Closed -$116K – 12764
2025
Q4 		$116K Buy
20,100
+4,400
+28% +$30.5K ﹤0.01% 10107
2025
Q3 		$129K Buy
+15,700
New +$117K ﹤0.01% 9987

Other funds holding RFIL

PAIM
Punch & Associates Investment Management Edina, Minnesota $1.73B AUM 27.65% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Marshall Wace
Marshall Wace London, United Kingdom $100B AUM 35.1% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
Arrowstreet Capital
Arrowstreet Capital Boston, Massachusetts $185B AUM 39.58% 1-Year Est. Return
OSAM
O'Shaughnessy Asset Management Stamford, Connecticut $20.1B AUM 30.42% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
RWM
Ritholtz Wealth Management New York $5.76B AUM 24.57% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Jane Street's RFIL Position: Q1 2026 in Review

Jane Street increased its RF Industries (RFIL) stake by 262% in Q1 2026, buying an estimated $628K and bringing the position to 85,553 shares worth $882K. The position accounts for ﹤0.01% of the portfolio, ranked #6795.

Jane Street first reported a position in RFIL in Q4 2013 and has held it in 4 quarters since. 66 funds tracked by Wall St. Rank hold RFIL as of Q1 2026.

  • Jane Street held 85,553 shares of RF Industries worth $882K as of Q1 2026.
  • Jane Street bought 61,892 RF Industries shares in Q1 2026, an estimated $628K.
  • RF Industries made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #6795 holding.
  • Jane Street first reported a position in RF Industries in Q4 2013 and has held it in 4 quarters since.
  • 66 funds tracked by Wall St. Rank held RF Industries as of Q1 2026.

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