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RTB

RTB Digital
RTB

18 hedge funds and large institutions have $153K invested in RTB Digital in 2025 Q3 according to their latest regulatory filings, with 4 funds opening new positions, 3 increasing their positions, 4 reducing their positions, and 7 closing their positions.

New
Increased
Maintained
Reduced
Closed

0.02% less ownership

Funds ownership: 0.06% → 0.05% (-0.02%)

14% less funds holding

Funds holding: 21 → 18 (-3)

25% less repeat investments, than reductions

Existing positions increased: 3 | Existing positions reduced: 4

43% less first-time investments, than exits

New positions opened: 4 | Existing positions closed: 7

47% less capital invested

Capital invested by funds: $291K → $153K (-$138K)

Holders
18
Holders Change
-3
Holders Change %
-14.29%
% of All Funds
0.24%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
4
Increased
3
Reduced
4
Closed
7
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
Vanguard Group
Vanguard Group
Pennsylvania
+$59K
2
Geode Capital Management
Geode Capital Management
Massachusetts
+$55.8K
3
XT
XTX Topco
Cayman Islands
+$7.76K
4
TSS
Two Sigma Securities
New York
+$5.26K
5
Citigroup
Citigroup
New York
+$1.5K

Top Sellers

Rank Fund Capital Flow
1
Citadel Advisors
Citadel Advisors
Florida
-$38.5K
2
Renaissance Technologies
Renaissance Technologies
New York
-$23.2K
3
CSI
Cross Staff Investments
New York
-$21K
4
Jane Street
Jane Street
New York
-$19.7K
5
AIA
Allied Investment Advisors
Montana
-$12.5K
Name Holding Trade Value Shares
Change 		Change in
Stake
Geode Capital Management
1
Geode Capital Management
Massachusetts
$61.1K +$55.8K +4,449 +307%
Vanguard Group
2
Vanguard Group
Pennsylvania
$59.4K +$59K +4,700 +456%
Renaissance Technologies
3
Renaissance Technologies
New York
$13.9K -$23.2K -1,853 -58%
XT
4
XTX Topco
Cayman Islands
$6.42K +$7.76K +619 New
TSS
5
Two Sigma Securities
New York
$4.34K +$5.26K +419 New
BlackRock
6
BlackRock
New York
$3.85K – – –
Citigroup
7
Citigroup
New York
$1.25K +$1.5K +120 New
UBS Group
8
UBS Group
Switzerland
$1.16K -$552 -44 -28%
Osaic Holdings
9
Osaic Holdings
Arizona
$588 – – –
WWM
10
Wolff Wiese Magana
California
$301 -$301 -24 -45%
Morgan Stanley
11
Morgan Stanley
New York
$123 – – –
PAM
12
Palisade Asset Management
Minnesota
$119 +$138 +11 New
Bank of America
13
Bank of America
North Carolina
$78 +$75 +6 +600%
NA
14
NewEdge Advisors
Louisiana
$51 – – –
BNP Paribas Financial Markets
15
BNP Paribas Financial Markets
France
$30 – – –
FFA
16
Farther Finance Advisors
California
$7 – – –
JFGIW
17
Johnson Financial Group Inc (Wisconsin)
Wisconsin
$7 – – –
SPIA
18
Steward Partners Investment Advisory
New York
$3 – – –
SS
19
SBI Securities
Japan
$1 – – –
Citadel Advisors
20
Citadel Advisors
Florida
– -$38.5K -1,292 Closed
CSI
21
Cross Staff Investments
New York
– -$21K -705 Closed
Jane Street
22
Jane Street
New York
– -$19.7K -661 Closed
AIA
23
Allied Investment Advisors
Montana
– -$12.5K -420 Closed
SRL
24
Scientech Research LLC
New Jersey
– -$9.77K -328 Closed
Raymond James Financial
25
Raymond James Financial
Florida
– -$354 -12 Closed
1
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RTB Hedge Fund Activity: Q3 2025 in Review

18 of the 7,631 institutional investors tracked by Wall St. Rank reported a position in RTB Digital (RTB) for Q3 2025, worth a combined $153K — down 47% from $291K a quarter earlier.

Sellers outnumbered buyers: 7 funds closed out of RTB and 4 opened new positions — a net loss of 3 holders — while 4 trimmed existing stakes and 3 added.

The largest buyer was Vanguard Group, adding an estimated $59K. The largest seller was Citadel Advisors, exiting entirely with an estimated $38.5K sold.

  • 18 institutional investors held RTB Digital (RTB) as of Q3 2025, down from 21 in Q2 2025.
  • Funds reported $153K of RTB Digital stock for Q3 2025, down 47% quarter-over-quarter.
  • 4 funds opened new RTB Digital positions in Q3 2025 and 7 closed out, a net change of -3 holders.
  • The largest RTB Digital buyer in Q3 2025 was Vanguard Group, an estimated $59K added.
  • The largest RTB Digital seller in Q3 2025 was Citadel Advisors, an estimated $38.5K sold.

Based on aggregated 13F filings for Q3 2025.