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.
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%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Renaissance Technologies
New York
|
+$58.9K |
| 2 |
Citadel Advisors
Miami,
Florida
|
+$21.8K |
| 3 |
Jane Street
New York
|
+$18.7K |
| 4 |
SRL
Scientech Research LLC
Jersey City,
New Jersey
|
+$9.27K |
| 5 |
UBS Group
Zurich,
Switzerland
|
+$2.43K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
XT
XTX Topco
George Town,
Cayman Islands
|
-$18.1K |
| 2 |
CSI
Cross Staff Investments
Pittsford,
New York
|
-$1.7K |
| 3 |
WWM
Wolff Wiese Magana
Carslbad,
California
|
-$932 |
| 4 |
BlackRock
New York
|
-$85 |
| 5 |
Royal Bank of Canada
Toronto,
Ontario, Canada
|
-$28 |
| Name | Holding | Trade Value |
Shares Change |
Change in Stake |
|
|---|---|---|---|---|---|
|
26
Royal Bank of Canada
Toronto,
Ontario, Canada
| – | -$28 | -1 | -17% |
|
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.