Jim Simons
REFR icon

Jim Simons’s Research Frontiers REFR Stock Holding History

Jim Simons’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
Q1 		$62.8K Sell
68,300
-9,982
-13% -$10.9K ﹤0.01% 3087
2025
Q4 		$103K Sell
78,282
-9,818
-11% -$16.6K ﹤0.01% 3008
2025
Q3 		$140K Buy
88,100
+1,400
+2% +$2.12K ﹤0.01% 3207
2025
Q2 		$142K Sell
86,700
-13,800
-14% -$20.3K ﹤0.01% 3238
2025
Q1 		$114K Buy
100,500
+2,431
+2% +$3.48K ﹤0.01% 3176
2024
Q4 		$168K Buy
98,069
+24,969
+34% +$48.9K ﹤0.01% 3208
2024
Q3 		$160K Sell
73,100
-10,700
-13% -$22.1K ﹤0.01% 3169
2024
Q2 		$154K Buy
83,800
+6,656
+9% +$11.7K ﹤0.01% 3102
2024
Q1 		$100K Sell
77,144
-17,256
-18% -$18.9K ﹤0.01% 3369
2023
Q4 		$95K Buy
94,400
+70,500
+295% +$73.2K ﹤0.01% 3314
2023
Q3 		$26K Sell
23,900
-5,100
-18% -$7.72K ﹤0.01% 3501
2023
Q2 		$46K Buy
+29,000
New +$46.9K ﹤0.01% 3633
2021
Q3 		– Sell
-48,214
Closed -$114K – 3779
2021
Q2 		$114K Buy
48,214
+28,325
+142% +$70.6K ﹤0.01% 3347
2021
Q1 		$56K Buy
+19,889
New +$77.2K ﹤0.01% 3244
2019
Q2 		– Sell
-18,123
Closed -$39K – 3721
2019
Q1 		$39K Sell
18,123
-16,981
-48% -$39.2K ﹤0.01% 3367
2018
Q4 		$55K Buy
35,104
+2,804
+9% +$4.08K ﹤0.01% 3286
2018
Q3 		$51K Buy
32,300
+2,400
+8% +$2.54K ﹤0.01% 3282
2018
Q2 		$25K Buy
29,900
+3,400
+13% +$3.08K ﹤0.01% 3211
2018
Q1 		$26K Sell
26,500
-6,600
-20% -$6.42K ﹤0.01% 3327
2017
Q4 		$34K Buy
33,100
+22,700
+218% +$24.7K ﹤0.01% 3282
2017
Q3 		$12K Buy
+10,400
New +$12.5K ﹤0.01% 3165
2014
Q1 		– Sell
-16,900
Closed -$98K – 2979
2013
Q4 		$98K Buy
+16,900
New +$91.9K ﹤0.01% 2731

Other funds holding REFR

MOS
MGO One Seven Beachwood, Ohio $6.06B AUM 28.9% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Focus Partners Wealth
Focus Partners Wealth Boston, Massachusetts $89.9B AUM 20.5% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
VFT
Vanguard Fiduciary Trust Malvern, Pennsylvania $396B AUM
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $893B AUM 36.07% 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 $1.47B AUM 19.38% 1-Year Est. Return
Northern Trust
Northern Trust Chicago, Illinois $757B AUM 28.64% 1-Year Est. Return

Jim Simons's REFR Position: Q1 2026 in Review

Jim Simons reduced its Research Frontiers (REFR) stake by 13% in Q1 2026, selling an estimated $10.9K and leaving 68,300 shares worth $62.8K. The position accounts for ﹤0.01% of the portfolio, ranked #3087.

Jim Simons first reported a position in REFR in Q4 2013 and has held it in 22 quarters since. The position peaked at $168K in Q4 2024. 35 funds tracked by Wall St. Rank hold REFR as of Q1 2026.

  • Jim Simons held 68,300 shares of Research Frontiers worth $62.8K as of Q1 2026.
  • Jim Simons sold 9,982 Research Frontiers shares in Q1 2026, an estimated $10.9K.
  • Research Frontiers made up ﹤0.01% of Jim Simons's portfolio in Q1 2026, its #3087 holding.
  • Jim Simons first reported a position in Research Frontiers in Q4 2013 and has held it in 22 quarters since.
  • Jim Simons's Research Frontiers position peaked at $168K in Q4 2024.
  • 35 funds tracked by Wall St. Rank held Research Frontiers as of Q1 2026.

Based on Renaissance Technologies's 13F filing for Q1 2026, filed 14 May 2026.