RTB Digital, Inc.: which funds bought and sold
Institutions that bought and sold RTB Digital shares in Q2 2026, from the holdings they reported to the SEC on Form 13F for March 31, 2026 and June 30, 2026.
Between March 31, 2026 and June 30, 2026, 12 institutions that filed 13F reports for both quarters added to or opened positions in RTB Digital, and 4 cut or closed them. Together they added a net 673K shares, +1283.3% on what they held at the start of the quarter. Active managers and hedge funds on our list were net buyers of 392K shares; index fund managers were net buyers of 264K shares (+885.9%). 6 opened a new position and 1 sold out entirely.
Bought, Q2 2026 12 institutions, 6 of them new holders Sold, Q2 2026 4 institutions, 1 of them sold out
Net change, all compared +673K shares (+1283.3%)
Net change, active managers +392K shares (—), 2 bought, 0 sold
Buyers versus sellers
12 bought 3 4 sold
Active managers and hedge funds 2 bought · 0 sold · +392K
Index fund managers 6 bought · 0 sold · +264K
Other institutions 4 bought · 4 sold · +17K
Biggest buyers
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Armistice Capital, LLC Hedge fund | +350K New position | 350K | $5.3M |
| Geode Capital Management, LLC Index funds | +140K +819.2% | 157K | $2.4M |
| State Street Corp Index funds | +45K New position | 45K | $678,283 |
| Millennium Management LLC Hedge fund | +42K New position | 42K | $632,440 |
| Blackrock, Inc. Index funds | +31K +8391.1% | 32K | $476,332 |
| Northern Trust Corp Index funds | +29K New position | 29K | $444,664 |
| Jane Street Group, LLC | +15K New position | 15K | $228,085 |
| Vanguard Capital Management LLC Index funds | +13K +173.3% | 20K | $303,002 |
| Vanguard Fiduciary Trust Co Index funds | +5,820 +116.0% | 11K | $163,422 |
| UBS Group AG | +2,726 +3634.7% | 2,801 | $42,239 |
| Royal Bank Of Canada | +284 +28.8% | 1,271 | $19,000 |
| Integrated Wealth Concepts LLC | +7 New position | 7 | $105 |
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Armistice Capital, LLC Hedge fund | +350K New position | 350K | $5.3M |
| Millennium Management LLC Hedge fund | +42K New position | 42K | $632,440 |
Biggest sellers
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Tower Research Capital LLC (TRC) | −990 Sold out | 0 | — |
| Wolff Wiese Magana LLC | −12 −60.0% | 8 | $121 |
| Osaic Holdings, Inc. | −9 −1.8% | 492 | $7,419 |
| BNP Paribas Financial Markets | −1 −25.0% | 3 | $45 |
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| None of the active managers on our list. | |||
New positions
| Institution | Shares | Value June 30, 2026 |
|---|---|---|
| Armistice Capital, LLCHedge fund | 350K | $5.3M |
| State Street CorpIndex funds | 45K | $678,283 |
| Millennium Management LLCHedge fund | 42K | $632,440 |
| Northern Trust CorpIndex funds | 29K | $444,664 |
| Jane Street Group, LLC | 15K | $228,085 |
| Integrated Wealth Concepts LLC | 7 | $105 |
Sold out
| Institution | Shares | Value March 31, 2026 |
|---|---|---|
| Tower Research Capital LLC (TRC) | 990 | $4,990 |
Who holds the shares
- Institutions reporting
- 18
- Ten largest holders
- 99.4% of 13F-reported shares
- Index fund managers
- 40.5% of 13F-reported shares
- Active managers and hedge funds
- 54.0% of 13F-reported shares
| Type | Bought | Sold | New | Sold out | Net change in shares | Net % |
|---|---|---|---|---|---|---|
| Active managers and hedge funds | 2 | 0 | 2 | 0 | +392K | — |
| Index fund managers | 6 | 0 | 2 | 0 | +264K | +885.9% |
| Other institutions | 4 | 4 | 2 | 1 | +17K | +75.6% |