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RDIB READING INTL INC

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CL B (common), issuer CIK 716634

10 managers (13 13F filers) reported a position in RDIB shares at 2026-03-31, 162,643 shares in all. 0 filers opened a position and 1 filer sold out during the quarter.

Managers
10
13F filers
13
New
0
Added
2
Reduced
3
Sold out
1
Shares held by filers
162,643

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q1 2026

Filers in the available 13F reports with a share position at 2026-03-31, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
Teton Advisors, LLC74,360$688K0.48%013F-HRTimeline
GAMCO Investors (Gabelli)group of 2 filers holding48,700$450K0Timeline
DIMENSIONAL FUND ADVISORS LPin group DIMENSIONAL FUND ADVISORS LP17,965$162K<0.01%-2,72313F-HRTimelineGroup
VANGUARD GROUP INCgroup of 3 filers holding9,093$81.8KnewTimeline
INVESTMENT COUNSEL CO OF NEVADA6,096$54.9K0.12%-5,05413F-HRTimeline
CITIGROUP INCin group CITIGROUP INC4,198$37.8K<0.01%-24113F-HRTimelineGroup
UBS Group AGin group UBS Group AG1,280$11.8K<0.01%+1,15513F-HRTimelineGroup
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…947$8.76K<0.01%+26413F-HRTimelineGroup
SBI Securities Co., Ltd.3$28<0.01%013F-HRTimeline
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA1$00%013F-HRTimelineGroupValue filed as zero, left out of ratios.