JY
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Jeff Yass’s Research Frontiers REFR Stock Holding History

Jeff Yass’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
2022
Q2 		– Sell
-10,200
Closed -$20K – 13764
2022
Q1 		$20K Sell
10,200
-21,800
-68% -$40.1K ﹤0.01% 12621
2021
Q4 		$55K Sell
32,000
-13,200
-29% -$28.3K ﹤0.01% 12501
2021
Q3 		$116K Buy
45,200
+32,500
+256% +$75.1K ﹤0.01% 11972
2021
Q2 		$30K Buy
+12,700
New +$31.6K ﹤0.01% 12386
2020
Q2 		– Sell
-15,700
Closed -$37K – 10776
2020
Q1 		$37K Buy
15,700
+2,800
+22% +$8.96K ﹤0.01% 9775
2019
Q4 		$39K Buy
+12,900
New +$41.3K ﹤0.01% 9400
2019
Q3 		– Sell
-12,200
Closed -$41K – 10710
2019
Q2 		$41K Sell
12,200
-7,200
-37% -$20.4K ﹤0.01% 9884
2019
Q1 		$42K Buy
+19,400
New +$44.8K ﹤0.01% 8498
2016
Q1 		– Sell
-47,700
Closed -$249K – 9541
2015
Q4 		$249K Buy
47,700
+26,700
+127% +$134K ﹤0.01% 8050
2015
Q3 		$106K Buy
21,000
+6,100
+41% +$32.4K ﹤0.01% 9110
2015
Q2 		$80K Sell
14,900
-16,700
-53% -$98.3K ﹤0.01% 9749
2015
Q1 		$193K Buy
31,600
+20,200
+177% +$105K ﹤0.01% 8661
2014
Q4 		$58K Sell
11,400
-14,900
-57% -$75.5K ﹤0.01% 9333
2014
Q3 		$151K Sell
26,300
-80,100
-75% -$421K ﹤0.01% 8878
2014
Q2 		$645K Buy
106,400
+85,700
+414% +$457K ﹤0.01% 6974
2014
Q1 		$107K Buy
20,700
+9,200
+80% +$58.3K ﹤0.01% 8541
2013
Q4 		$66K Buy
+11,500
New +$62.5K ﹤0.01% 8741

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
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
Renaissance Technologies
Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return

Jeff Yass's REFR Position: Q2 2026 in Review

Jeff Yass reduced its Research Frontiers (REFR) stake by 1.1% in Q2 2026, selling an estimated $1.38K and leaving 155,066 shares worth $80.6K. The position accounts for ﹤0.01% of the portfolio, ranked #12630.

Jeff Yass first reported a position in REFR in Q2 2013 and has held it in 36 quarters since. The position peaked at $388K in Q3 2021. 34 funds tracked by Wall St. Rank hold REFR as of Q2 2026.

  • Jeff Yass held 155,066 shares of Research Frontiers worth $80.6K as of Q2 2026.
  • Jeff Yass sold 1,720 Research Frontiers shares in Q2 2026, an estimated $1.38K.
  • Research Frontiers made up ﹤0.01% of Jeff Yass's portfolio in Q2 2026, its #12630 holding.
  • Jeff Yass first reported a position in Research Frontiers in Q2 2013 and has held it in 36 quarters since.
  • Jeff Yass's Research Frontiers position peaked at $388K in Q3 2021.
  • 34 funds tracked by Wall St. Rank held Research Frontiers as of Q2 2026.

Based on Susquehanna International Group's 13F filing for Q2 2026, filed 14 Aug 2026.