Renaissance Technologies’s Fonar FONR Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
Sell
-315,716
Closed -$5.86M 3394
2025
Q4
$5.86M Buy
315,716
+7,100
+2% +$107K 0.01% 1207
2025
Q3
$4.65M Sell
308,616
-6,900
-2% -$107K 0.01% 1549
2025
Q2
$4.72M Buy
315,516
+11,100
+4% +$148K 0.01% 1557
2025
Q1
$4.26M Sell
304,416
-9,300
-3% -$139K 0.01% 1533
2024
Q4
$4.75M Sell
313,716
-19,800
-6% -$307K 0.01% 1487
2024
Q3
$5.4M Sell
333,516
-10,700
-3% -$183K 0.01% 1395
2024
Q2
$5.51M Buy
344,216
+35,375
+11% +$580K 0.01% 1232
2024
Q1
$6.6M Buy
308,841
+5,704
+2% +$120K 0.01% 1239
2023
Q4
$5.93M Sell
303,137
-4,779
-2% -$79.6K 0.01% 1242
2023
Q3
$4.74M Sell
307,916
-11,700
-4% -$193K 0.01% 1343
2023
Q2
$5.46M Sell
319,616
-9,200
-3% -$153K 0.01% 1385
2023
Q1
$5.33M Sell
328,816
-9,600
-3% -$166K 0.01% 1439
2022
Q4
$5.67M Sell
338,416
-7,200
-2% -$121K 0.01% 1440
2022
Q3
$4.89M Sell
345,616
-37,100
-10% -$542K 0.01% 1458
2022
Q2
$5.81M Sell
382,716
-3,400
-0.9% -$57.2K 0.01% 1451
2022
Q1
$7.16M Sell
386,116
-18,500
-5% -$310K 0.01% 1349
2021
Q4
$6.06M Sell
404,616
-27,200
-6% -$437K 0.01% 1396
2021
Q3
$6.68M Sell
431,816
-58,000
-12% -$984K 0.01% 1289
2021
Q2
$8.66M Sell
489,816
-3,000
-0.6% -$53.6K 0.01% 1281
2021
Q1
$8.91M Sell
492,816
-300
-0.1% -$5.67K 0.01% 1275
2020
Q4
$8.56M Buy
493,116
+40,400
+9% +$790K 0.01% 1262
2020
Q3
$9.45M Sell
452,716
-22,775
-5% -$549K 0.01% 1181
2020
Q2
$10.2M Sell
475,491
-33,725
-7% -$689K 0.01% 1213
2020
Q1
$7.45M Sell
509,216
-35,500
-7% -$656K 0.01% 1339
2019
Q4
$10.7M Buy
544,716
+13,064
+2% +$262K 0.01% 1402
2019
Q3
$11M Buy
531,652
+13,436
+3% +$309K 0.01% 1332
2019
Q2
$11.1M Buy
518,216
+21,000
+4% +$429K 0.01% 1327
2019
Q1
$10.2M Buy
497,216
+5,700
+1% +$124K 0.01% 1374
2018
Q4
$9.95M Sell
491,516
-3,700
-0.7% -$83.4K 0.01% 1310
2018
Q3
$12.3M Buy
495,216
+49,000
+11% +$1.28M 0.01% 1224
2018
Q2
$11.8M Sell
446,216
-2,104
-0.5% -$58.7K 0.01% 1247
2018
Q1
$13.4M Sell
448,320
-15,296
-3% -$382K 0.01% 1190
2017
Q4
$11.3M Buy
463,616
+7,000
+2% +$194K 0.01% 1312
2017
Q3
$13.9M Sell
456,616
-607
-0.1% -$17.1K 0.02% 1131
2017
Q2
$12.7M Sell
457,223
-19,493
-4% -$447K 0.02% 1105
2017
Q1
$8.37M Sell
476,716
-3,738
-0.8% -$70.5K 0.01% 1359
2016
Q4
$9.2M Buy
480,454
+20,638
+4% +$400K 0.01% 1287
2016
Q3
$9.45M Buy
459,816
+73,600
+19% +$1.56M 0.02% 1173
2016
Q2
$7.86M Buy
386,216
+80,500
+26% +$1.33M 0.02% 1300
2016
Q1
$4.7M Buy
305,716
+14,800
+5% +$230K 0.01% 1685
2015
Q4
$5.02M Buy
290,916
+72,200
+33% +$1.19M 0.01% 1481
2015
Q3
$2.93M Sell
218,716
-31,926
-13% -$332K 0.01% 1742
2015
Q2
$2.65M Buy
250,642
+5,124
+2% +$58.5K 0.01% 1872
2015
Q1
$3.2M Buy
245,518
+9,865
+4% +$116K 0.01% 1653
2014
Q4
$2.45M Sell
235,653
-23,611
-9% -$266K 0.01% 1690
2014
Q3
$2.85M Sell
259,264
-26,877
-9% -$319K 0.01% 1475
2014
Q2
$3.49M Sell
286,141
-91,375
-24% -$1.32M 0.01% 1436
2014
Q1
$6.64M Sell
377,516
-148,800
-28% -$3.06M 0.02% 1102
2013
Q4
$11.2M Buy
526,316
+30,100
+6% +$414K 0.03% 747
2013
Q3
$2.86M Buy
496,216
+2,673
+0.5% +$15.4K 0.01% 1480
2013
Q2
$3.24M Buy
+493,543
New +$3.35M 0.01% 1325

Other funds holding FONR

Renaissance Technologies's FONR Position: Q1 2026 in Review

Renaissance Technologies sold out of Fonar (FONR) in Q1 2026, closing a stake of 315,716 shares — an estimated $5.86M sold.

Renaissance Technologies first reported a position in FONR in Q2 2013 and held it in 51 quarters. The position peaked at $13.9M in Q3 2017. 42 funds tracked by Wall St. Rank hold FONR as of Q1 2026.

  • Renaissance Technologies reported no remaining Fonar position as of Q1 2026 after selling out during the quarter.
  • Renaissance Technologies sold 315,716 Fonar shares in Q1 2026, an estimated $5.86M.
  • Renaissance Technologies first reported a position in Fonar in Q2 2013 and held it in 51 quarters.
  • Renaissance Technologies's Fonar position peaked at $13.9M in Q3 2017.
  • 42 funds tracked by Wall St. Rank held Fonar as of Q1 2026.

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