Marshall Wace
FONR

Marshall Wace’s Fonar FONR Stock Holding History

Marshall Wace’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
-28,181
Closed -$523K – 3372
2025
Q4 		$523K Buy
+28,181
New +$425K ﹤0.01% 2221
2022
Q1 		– Sell
-27,058
Closed -$405K – 3554
2021
Q4 		$405K Sell
27,058
-2,173
-7% -$34.9K ﹤0.01% 2906
2021
Q3 		$452K Sell
29,231
-1,996
-6% -$33.8K ﹤0.01% 2435
2021
Q2 		$552K Buy
+31,227
New +$558K ﹤0.01% 2085
2019
Q4 		– Sell
-9,643
Closed -$199K – 1818
2019
Q3 		$199K Sell
9,643
-14,088
-59% -$324K ﹤0.01% 1286
2019
Q2 		$510K Buy
23,731
+2,329
+11% +$47.6K ﹤0.01% 1078
2019
Q1 		$438K Buy
21,402
+4,701
+28% +$102K ﹤0.01% 1173
2018
Q4 		$338K Buy
+16,701
New +$376K ﹤0.01% 1202

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

Marshall Wace's FONR Position: Q1 2026 in Review

Marshall Wace sold out of Fonar (FONR) in Q1 2026, closing a stake of 28,181 shares — an estimated $523K sold.

Marshall Wace first reported a position in FONR in Q4 2018 and held it in 8 quarters. The position peaked at $552K in Q2 2021. 42 funds tracked by Wall St. Rank hold FONR as of Q1 2026.

  • Marshall Wace reported no remaining Fonar position as of Q1 2026 after selling out during the quarter.
  • Marshall Wace sold 28,181 Fonar shares in Q1 2026, an estimated $523K.
  • Marshall Wace first reported a position in Fonar in Q4 2018 and held it in 8 quarters.
  • Marshall Wace's Fonar position peaked at $552K in Q2 2021.
  • 42 funds tracked by Wall St. Rank held Fonar as of Q1 2026.

Based on Marshall Wace's 13F filing for Q1 2026, filed 15 May 2026.