Citadel Advisors
FONR

Citadel Advisors’s Fonar FONR Stock Holding History

Citadel Advisors’s Portfolio FONR Stock Details FONR Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		– Sell
-20,631
Closed -$383K – 13373
2025
Q4 		$383K Buy
+20,631
New +$311K ﹤0.01% 9625
2024
Q4 		– Sell
-10,716
Closed -$173K – 14790
2024
Q3 		$173K Sell
10,716
-10,202
-49% -$175K ﹤0.01% 10357
2024
Q2 		$335K Buy
+20,918
New +$343K ﹤0.01% 8915
2023
Q1 		– Sell
-13,387
Closed -$224K – 14959
2022
Q4 		$224K Buy
+13,387
New +$225K ﹤0.01% 9912
2021
Q3 		– Sell
-14,548
Closed -$257K – 14057
2021
Q2 		$257K Buy
+14,548
New +$260K ﹤0.01% 11638
2020
Q2 		– Sell
-11,514
Closed -$168K – 10012
2020
Q1 		$168K Buy
+11,514
New +$213K ﹤0.01% 8178

Other funds holding FONR

MCC
Money Concepts Capital Palm Beach Gardens, Florida $1.81B AUM 21.93% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
FIA
FNY Investment Advisers New York $278M AUM 98.95% 1-Year Est. Return
GLF
Groupe la Francaise Paris, France $7.29B AUM 37.28% 1-Year Est. Return
PLC
Peapod Lane Capital Bedford Hills, New York $122M AUM 67.29% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
GF
Gabelli Funds Rye, New York $14.8B AUM 32.24% 1-Year Est. Return
RC
RBF Capital San Francisco, California $2.05B AUM 29.64% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $124B AUM 33.93% 1-Year Est. Return

Citadel Advisors's FONR Position: Q1 2026 in Review

Citadel Advisors sold out of Fonar (FONR) in Q1 2026, closing a stake of 20,631 shares — an estimated $383K sold.

Citadel Advisors first reported a position in FONR in Q1 2020 and held it in 6 quarters. The position peaked at $383K in Q4 2025. 42 funds tracked by Wall St. Rank hold FONR as of Q1 2026.

  • Citadel Advisors reported no remaining Fonar position as of Q1 2026 after selling out during the quarter.
  • Citadel Advisors sold 20,631 Fonar shares in Q1 2026, an estimated $383K.
  • Citadel Advisors first reported a position in Fonar in Q1 2020 and held it in 6 quarters.
  • Citadel Advisors's Fonar position peaked at $383K in Q4 2025.
  • 42 funds tracked by Wall St. Rank held Fonar as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.