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RTB

RTB Digital
RTB

21 hedge funds and large institutions have $291K invested in RTB Digital in 2025 Q2 according to their latest regulatory filings, with 5 funds opening new positions, 4 increasing their positions, 4 reducing their positions, and 1 closing their positions.

New
Increased
Maintained
Reduced
Closed

400% more first-time investments, than exits

New positions opened: 5 | Existing positions closed: 1

31% more capital invested

Capital invested by funds: $222K → $291K (+$69.1K)

24% more funds holding

Funds holding: 17 → 21 (+4)

0% more repeat investments, than reductions

Existing positions increased: 4 | Existing positions reduced: 4

0.02% less ownership

Funds ownership: 0.08% → 0.06% (-0.02%)

Holders
21
Holders Change
+4
Holders Change %
+23.53%
% of All Funds
0.28%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
5
Increased
4
Reduced
4
Closed
1
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
Renaissance Technologies
Renaissance Technologies
New York
+$58.9K
2
Citadel Advisors
Citadel Advisors
Florida
+$21.8K
3
Jane Street
Jane Street
New York
+$18.7K
4
SRL
Scientech Research LLC
New Jersey
+$9.27K
5
UBS Group
UBS Group
Switzerland
+$2.43K

Top Sellers

Rank Fund Capital Flow
1
XT
XTX Topco
Cayman Islands
-$18.1K
2
CSI
Cross Staff Investments
New York
-$1.7K
3
WWM
Wolff Wiese Magana
California
-$932
4
BlackRock
BlackRock
New York
-$85
5
Royal Bank of Canada
Royal Bank of Canada
Ontario, Canada
-$28
Name Holding Trade Value Shares
Change 		Change in
Stake
Renaissance Technologies
1
Renaissance Technologies
New York
$95.3K +$58.9K +2,085 +187%
Geode Capital Management
2
Geode Capital Management
Massachusetts
$43.2K +$1.1K +39 +3%
Citadel Advisors
3
Citadel Advisors
Florida
$38.5K +$21.8K +772 +148%
Vanguard Group
4
Vanguard Group
Pennsylvania
$30.7K – – –
CSI
5
Cross Staff Investments
New York
$21K -$1.7K -60 -8%
Jane Street
6
Jane Street
New York
$19.7K +$18.7K +661 New
AIA
7
Allied Investment Advisors
Montana
$12.5K – – –
BlackRock
8
BlackRock
New York
$11.1K -$85 -3 -0.8%
SRL
9
Scientech Research LLC
New Jersey
$9.77K +$9.27K +328 New
UBS Group
10
UBS Group
Switzerland
$4.65K +$2.43K +86 +123%
Osaic Holdings
11
Osaic Holdings
Arizona
$1.73K – – –
WWM
12
Wolff Wiese Magana
California
$1.58K -$932 -33 -38%
Morgan Stanley
13
Morgan Stanley
New York
$355 – – –
Raymond James Financial
14
Raymond James Financial
Florida
$354 +$339 +12 New
NA
15
NewEdge Advisors
Louisiana
$148 – – –
BNP Paribas Financial Markets
16
BNP Paribas Financial Markets
France
$85 – – –
JFGIW
17
Johnson Financial Group Inc (Wisconsin)
Wisconsin
$40 +$28 +1 New
Bank of America
18
Bank of America
North Carolina
$37 – – –
GC
19
GFG Capital
Florida
$26 +$28 +1 New
FFA
20
Farther Finance Advisors
California
$21 – – –
SPIA
21
Steward Partners Investment Advisory
New York
$8 – – –
TRCT
22
Tower Research Capital (TRC)
New York
$4 – – –
SS
23
SBI Securities
Japan
$3 – – –
Citigroup
24
Citigroup
New York
$1 – – –
XT
25
XTX Topco
Cayman Islands
– -$18.1K -522 Closed
1
2

RTB Hedge Fund Activity: Q2 2025 in Review

21 of the 7,604 institutional investors tracked by Wall St. Rank reported a position in RTB Digital (RTB) for Q2 2025, worth a combined $291K — up 31% from $222K a quarter earlier.

Buyers outnumbered sellers: 5 funds opened new RTB positions and 1 closed out — a net gain of 4 holders — while 4 added to existing stakes and 4 trimmed.

The largest buyer was Renaissance Technologies, adding an estimated $58.9K. The largest seller was XTX Topco, exiting entirely with an estimated $18.1K sold.

  • 21 institutional investors held RTB Digital (RTB) as of Q2 2025, up from 17 in Q1 2025.
  • Funds reported $291K of RTB Digital stock for Q2 2025, up 31% quarter-over-quarter.
  • 5 funds opened new RTB Digital positions in Q2 2025 and 1 closed out, a net change of +4 holders.
  • The largest RTB Digital buyer in Q2 2025 was Renaissance Technologies, an estimated $58.9K added.
  • The largest RTB Digital seller in Q2 2025 was XTX Topco, an estimated $18.1K sold.

Based on aggregated 13F filings for Q2 2025.