Whitefiber, Inc.: which funds bought and sold
Institutions that bought and sold Whitefiber 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, 95 institutions that filed 13F reports for both quarters added to or opened positions in Whitefiber, and 51 cut or closed them. Together they added a net 2.0M shares, +24.7% on what they held at the start of the quarter. Active managers and hedge funds on our list were net buyers of 691K shares (+15.9%); index fund managers were net buyers of 100K shares (+6.0%). 57 opened a new position and 29 sold out entirely.
Bought, Q2 2026 95 institutions, 57 of them new holders Sold, Q2 2026 51 institutions, 29 of them sold out
Net change, all compared +2.0M shares (+24.7%)
Net change, active managers +691K shares (+15.9%), 15 bought, 17 sold
Buyers versus sellers
95 bought 6 51 sold
Active managers and hedge funds 15 bought · 17 sold · +691K
Index fund managers 8 bought · 1 sold · +100K
Other institutions 72 bought · 33 sold · +1.2M
Biggest buyers
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Capital World Investors Active manager | +720K New position | 720K | $28M |
| Driehaus Capital Management LLC Active manager | +582K New position | 582K | $22.6M |
| D. E. Shaw & Co., Inc. Hedge fund | +410K New position | 410K | $15.9M |
| Susquehanna International Group, LLP | +313K New position | 313K | $12.2M |
| Price T Rowe Associates Inc Active manager | +271K +212.2% | 399K | $15.5M |
| Two Sigma Investments, LP Hedge fund | +234K New position | 234K | $9.1M |
| Mirae Asset Global Etfs Holdings Ltd. | +163K +72.0% | 390K | $15.2M |
| BNP Paribas Financial Markets | +145K +6204.8% | 147K | $5.7M |
| HRT Financial LP | +142K New position | 142K | $5.5M |
| Cantor Fitzgerald, L. P. | +137K New position | 137K | $5.3M |
| Trexquant Investment LP Hedge fund | +130K +121.7% | 238K | $9.2M |
| Goldman Sachs Group Inc | +124K +212.5% | 182K | $7.1M |
| Mitsubishi Ufj Asset Management Co., Ltd. | +110K New position | 110K | $4.3M |
| Raymond James Financial Inc | +80K New position | 80K | $3.1M |
| Jpmorgan Chase & Co | +76K +281.3% | 103K | $3.7M |
| LPL Financial LLC | +74K New position | 74K | $2.9M |
| Defiance Etfs, LLC | +68K +117.2% | 126K | $4.4M |
| Tidal Investments LLC | +67K +115.9% | 126K | $4.9M |
| Jane Street Group, LLC | +63K New position | 63K | $2.4M |
| T. Rowe Price Investment Management, Inc. Active manager | +62K New position | 62K | $2.4M |
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Capital World Investors Active manager | +720K New position | 720K | $28M |
| Driehaus Capital Management LLC Active manager | +582K New position | 582K | $22.6M |
| D. E. Shaw & Co., Inc. Hedge fund | +410K New position | 410K | $15.9M |
| Price T Rowe Associates Inc Active manager | +271K +212.2% | 399K | $15.5M |
| Two Sigma Investments, LP Hedge fund | +234K New position | 234K | $9.1M |
| Trexquant Investment LP Hedge fund | +130K +121.7% | 238K | $9.2M |
| T. Rowe Price Investment Management, Inc. Active manager | +62K New position | 62K | $2.4M |
| AQR Capital Management LLC Hedge fund | +49K New position | 49K | $1.9M |
| Renaissance Technologies LLC Hedge fund | +38K New position | 38K | $1.5M |
| Polen Capital Management LLC Active manager | +26K New position | 26K | $1M |
Biggest sellers
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Centerbook Partners LP Hedge fund | −549K Sold out | 0 | — |
| Castleknight Management LP Hedge fund | −432K Sold out | 0 | — |
| Balyasny Asset Management L.P. Hedge fund | −243K Sold out | 0 | — |
| Millennium Management LLC Hedge fund | −191K −39.2% | 296K | $11.5M |
| Clearfield Capital Management LP | −185K Sold out | 0 | — |
| UBS Group AG | −180K −64.9% | 98K | $3.8M |
| Feynman Point Asset Management LLC | −170K Sold out | 0 | — |
| Monashee Investment Management LLC | −80K Sold out | 0 | — |
| Tudor Investment Corp Et Al Hedge fund | −71K Sold out | 0 | — |
| Galaxy Digital Inc. | −70K Sold out | 0 | — |
| Lazard Asset Management LLC Active manager | −69K −51.6% | 64K | $2.5M |
| Highbridge Capital Management LLC Hedge fund | −66K Sold out | 0 | — |
| Exoduspoint Capital Management, LP Hedge fund | −61K Sold out | 0 | — |
| Buffalo Business & Estate Services Ltd | −51K Sold out | 0 | — |
| Sei Investments Co | −50K −68.9% | 22K | $871,017 |
| LMR Partners LLP Hedge fund | −49K Sold out | 0 | — |
| Cedar Wealth Management, LLC | −40K Sold out | 0 | — |
| Sculptor Capital LP Hedge fund | −40K Sold out | 0 | — |
| Squarepoint Ops LLC Hedge fund | −32K Sold out | 0 | — |
| Ccg Wealth Management, LLC | −31K Sold out | 0 | — |
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Centerbook Partners LP Hedge fund | −549K Sold out | 0 | — |
| Castleknight Management LP Hedge fund | −432K Sold out | 0 | — |
| Balyasny Asset Management L.P. Hedge fund | −243K Sold out | 0 | — |
| Millennium Management LLC Hedge fund | −191K −39.2% | 296K | $11.5M |
| Tudor Investment Corp Et Al Hedge fund | −71K Sold out | 0 | — |
| Lazard Asset Management LLC Active manager | −69K −51.6% | 64K | $2.5M |
| Highbridge Capital Management LLC Hedge fund | −66K Sold out | 0 | — |
| Exoduspoint Capital Management, LP Hedge fund | −61K Sold out | 0 | — |
| LMR Partners LLP Hedge fund | −49K Sold out | 0 | — |
| Sculptor Capital LP Hedge fund | −40K Sold out | 0 | — |
New positions
| Institution | Shares | Value June 30, 2026 |
|---|---|---|
| Capital World InvestorsActive manager | 720K | $28M |
| Driehaus Capital Management LLCActive manager | 582K | $22.6M |
| D. E. Shaw & Co., Inc.Hedge fund | 410K | $15.9M |
| Susquehanna International Group, LLP | 313K | $12.2M |
| Two Sigma Investments, LPHedge fund | 234K | $9.1M |
| HRT Financial LP | 142K | $5.5M |
| Cantor Fitzgerald, L. P. | 137K | $5.3M |
| Mitsubishi Ufj Asset Management Co., Ltd. | 110K | $4.3M |
| Raymond James Financial Inc | 80K | $3.1M |
| LPL Financial LLC | 74K | $2.9M |
Sold out
| Institution | Shares | Value March 31, 2026 |
|---|---|---|
| Centerbook Partners LPHedge fund | 549K | $6.5M |
| Castleknight Management LPHedge fund | 432K | $5.1M |
| Balyasny Asset Management L.P.Hedge fund | 243K | $2.9M |
| Clearfield Capital Management LP | 185K | $2.2M |
| Feynman Point Asset Management LLC | 170K | $2M |
| Monashee Investment Management LLC | 80K | $952,800 |
| Tudor Investment Corp Et AlHedge fund | 71K | $849,457 |
| Galaxy Digital Inc. | 70K | $833,700 |
| Highbridge Capital Management LLCHedge fund | 66K | $734,720 |
| Exoduspoint Capital Management, LPHedge fund | 61K | $723,532 |
Who holds the shares
- Institutions reporting
- 124
- Ten largest holders
- 59.3% of 13F-reported shares
- Index fund managers
- 17.5% of 13F-reported shares
- Active managers and hedge funds
- 49.9% of 13F-reported shares
| Type | Bought | Sold | New | Sold out | Net change in shares | Net % |
|---|---|---|---|---|---|---|
| Active managers and hedge funds | 15 | 17 | 12 | 12 | +691K | +15.9% |
| Index fund managers | 8 | 1 | 0 | 0 | +100K | +6.0% |
| Other institutions | 72 | 33 | 45 | 17 | +1.2M | +57.8% |