TSS
REFR icon

Two Sigma Securities’s Research Frontiers REFR Stock Holding History

Two Sigma Securities’s Portfolio REFR Stock Details REFR Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		– Sell
-15,809
Closed -$14.5K – 2250
2026
Q1 		$14.5K Sell
15,809
-7,065
-31% -$7.73K ﹤0.01% 1424
2025
Q4 		$30K Buy
+22,874
New +$38.6K ﹤0.01% 1127
2025
Q2 		– Sell
-11,093
Closed -$12.5K – 1982
2025
Q1 		$12.5K Buy
+11,093
New +$15.9K ﹤0.01% 1188
2024
Q4 		– Sell
-10,500
Closed -$23K – 2918
2024
Q3 		$23K Sell
10,500
-1,540
-13% -$3.19K ﹤0.01% 2476
2024
Q2 		$22.2K Buy
+12,040
New +$21.1K ﹤0.01% 2682
2017
Q4 		– Sell
-13,800
Closed -$16K – 1959
2017
Q3 		$16K Buy
+13,800
New +$16.5K ﹤0.01% 844

Other funds holding REFR

MOS
MGO One Seven Beachwood, Ohio $6.06B AUM 28.9% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Focus Partners Wealth
Focus Partners Wealth Boston, Massachusetts $97.6B AUM 29.43% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Vanguard Fiduciary Trust
Vanguard Fiduciary Trust Malvern, Pennsylvania $454B AUM
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $1.28T AUM 58.89% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
SRC
Shufro Rose & Co New York $1.74B AUM 34.09% 1-Year Est. Return
Northern Trust
Northern Trust Chicago, Illinois $860B AUM 41.15% 1-Year Est. Return

Two Sigma Securities's REFR Position: Q2 2026 in Review

Two Sigma Securities sold out of Research Frontiers (REFR) in Q2 2026, closing a stake of 15,809 shares — an estimated $14.5K sold.

Two Sigma Securities first reported a position in REFR in Q3 2017 and held it in 6 quarters. The position peaked at $30K in Q4 2025. 34 funds tracked by Wall St. Rank hold REFR as of Q2 2026.

  • Two Sigma Securities reported no remaining Research Frontiers position as of Q2 2026 after selling out during the quarter.
  • Two Sigma Securities sold 15,809 Research Frontiers shares in Q2 2026, an estimated $14.5K.
  • Two Sigma Securities first reported a position in Research Frontiers in Q3 2017 and held it in 6 quarters.
  • Two Sigma Securities's Research Frontiers position peaked at $30K in Q4 2025.
  • 34 funds tracked by Wall St. Rank held Research Frontiers as of Q2 2026.

Based on Two Sigma Securities's 13F filing for Q2 2026, filed 14 Aug 2026.