New Positions
5 managers initiated
Top five by reported value
ClearSign Technologies Corp NASDAQ NMS - GLOBAL MARKET:CLIR
Institutional holders, quarter-over-quarter share deltas, and new and closed positions disclosed in Form 13F. Period 2025-12-31 · prior 2025-09-30.
5 new9 added24 reduced6 exited
Total Institutional Holders
38
as of 2025-12-31
Top Holder
VANGUARD GROUP INC
$735.6K
Largest QoQ Increase
Rockefeller Capital Management L.P.
+72,200 sh
Largest QoQ Decrease
CITADEL ADVISORS LLC
-26,714 sh
New Positions(5)
| Manager | Shares | Δ Shares | Value | Δ Value | % Δ |
|---|---|---|---|---|---|
| XTX Topco Ltd | 29,015 | +29,015 | $16.1K | +$16.1K | — |
| TWO SIGMA SECURITIES, LLC | 26,794 | +26,794 | $14.9K | +$14.9K | — |
| TUCKER ASSET MANAGEMENT LLC | 39 | +39 | $22 | +$22 | — |
| Allworth Financial LP | 6 | +6 | $4 | +$4 | — |
| CITIGROUP INC | 1 | +1 | $1 | +$1 | — |
Added To(9)
| Manager | Shares | Δ Shares | Value | Δ Value | % Δ |
|---|---|---|---|---|---|
| VANGUARD GROUP INC | 1,322,980 | +45,396 | $735.6K | -$249.4K | 3.5% |
| Rockefeller Capital Management L.P. | 81,209 | +72,200 | $45.2K | +$38.2K | 801.4% |
| DDD Partners, LLC | 120,000 | +5,000 | $66.7K | -$22.0K | 4.3% |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 118,359 | +54,421 | $65.9K | +$16.6K | 85.1% |
| RENAISSANCE TECHNOLOGIES LLC | 77,800 | +36,769 | $43.3K | +$11.6K | 89.6% |
| Americana Partners, LLC | 55,000 | +25,000 | $30.6K | +$7.5K | 83.3% |
| Tower Research Capital LLC (TRC) | 13,795 | +11,603 | $7.7K | +$6.0K | 529.3% |
| SIMPLEX TRADING, LLC | 7,211 | +1,214 | $4.0K | +$4.0K | 20.2% |
| JANE STREET GROUP, LLC | 23,825 | +10,602 | $13.3K | +$3.1K | 80.2% |
Reduced(24)
| Manager | Shares | Δ Shares | Value | Δ Value | % Δ |
|---|---|---|---|---|---|
| SIMON QUICK ADVISORS, LLC | 603,149 | 0 | $335.4K | -$129.7K | 0.0% |
| GEODE CAPITAL MANAGEMENT, LLC | 523,109 | -120 | $291.0K | -$112.6K | -0.0% |
| Creative Planning | 136,053 | -23,000 | $75.7K | -$47.0K | -14.5% |
| BlackRock, Inc. | 199,304 | 0 | $110.8K | -$42.9K | 0.0% |
| HighTower Advisors, LLC | 126,809 | 0 | $70.5K | -$27.3K | 0.0% |
| STATE STREET CORP | 88,989 | 0 | $49.5K | -$19.1K | 0.0% |
| NORTHERN TRUST CORP | 74,020 | -1,446 | $41.2K | -$17.0K | -1.9% |
| NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO | 71,730 | 0 | $39.9K | -$15.4K | 0.0% |
| Disciplined Investments, LLC | 55,886 | 0 | $31.1K | -$12.0K | 0.0% |
| RAYMOND JAMES FINANCIAL INC | 51,847 | -6 | $28.8K | -$11.2K | -0.0% |
| INTEGRITY ALLIANCE, LLC. | 39,524 | 0 | $22.0K | -$8.5K | 0.0% |
| PREVAIL INNOVATIVE WEALTH ADVISORS, LLC | 38,306 | 0 | $21.3K | -$8.2K | 0.0% |
| HIGHLAND CAPITAL MANAGEMENT, LLC | 32,454 | 0 | $18.0K | -$7.0K | 0.0% |
| WELLS FARGO & COMPANY/MN | 21,050 | 0 | $11.7K | -$4.5K | 0.0% |
| Gleason Group, Inc. | 18,018 | 0 | $10.0K | -$3.9K | 0.0% |
| Chicago Partners Investment Group LLC | 18,000 | 0 | $12.5K | -$3.8K | 0.0% |
| UBS Group AG | 1,225 | -983 | $681 | -$1.0K | -44.5% |
| DEUTSCHE BANK AG\ | 4,000 | 0 | $2.2K | -$840 | 0.0% |
| BANK OF AMERICA CORP /DE/ | 907 | -437 | $504 | -$532 | -32.5% |
| BARCLAYS PLC | 53 | -350 | $30 | -$281 | -86.8% |
| SBI Securities Co., Ltd. | 103 | -200 | $57 | -$177 | -66.0% |
| Cambridge Investment Research Advisors, Inc. | 443,000 | 0 | $246 | -$96 | 0.0% |
| HRT FINANCIAL LP | 17,578 | -3,380 | $9 | -$7 | -16.1% |
| Centerpoint Advisors, LLC | 15,700 | 0 | $9 | -$3 | 0.0% |
Sold Out(6)
| Manager | Shares | Δ Shares | Value | Δ Value | % Δ |
|---|---|---|---|---|---|
| CITADEL ADVISORS LLC | 0 | -26,714 | $0 | -$20.6K | — |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 0 | -25,555 | $0 | -$19.2K | — |
| Cubist Systematic Strategies, LLC | 0 | -20,508 | $0 | -$15.8K | — |
| Diversified Portfolios, Inc. | 0 | -20,000 | $0 | -$15.4K | — |
| GOLDMAN SACHS GROUP INC | 0 | -11,044 | $0 | -$8.5K | — |
| Royal Bank of Canada | 0 | -9,468 | $0 | -$7.0K | — |
Top Holders by reported value
Ranked by the dollar value reported on the latest Form 13F. Share counts reflect long positions as of 2025-12-31.
| Manager | Shares | $ Value | Δ Shares | QoQ % |
|---|---|---|---|---|
| VANGUARD GROUP INC | 1,322,980 | $735.6K | +45,396 | 3.5% |
| SIMON QUICK ADVISORS, LLC | 603,149 | $335.4K | 0 | 0.0% |
| GEODE CAPITAL MANAGEMENT, LLC | 523,109 | $291.0K | -120 | -0.0% |
| BlackRock, Inc. | 199,304 | $110.8K | 0 | 0.0% |
| Creative Planning | 136,053 | $75.7K | -23,000 | -14.5% |
| HighTower Advisors, LLC | 126,809 | $70.5K | 0 | 0.0% |
| DDD Partners, LLC | 120,000 | $66.7K | +5,000 | 4.3% |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 118,359 | $65.9K | +54,421 | 85.1% |
| STATE STREET CORP | 88,989 | $49.5K | 0 | 0.0% |
| Rockefeller Capital Management L.P. | 81,209 | $45.2K | +72,200 | 801.4% |
| RENAISSANCE TECHNOLOGIES LLC | 77,800 | $43.3K | +36,769 | 89.6% |
| NORTHERN TRUST CORP | 74,020 | $41.2K | -1,446 | -1.9% |
| NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO | 71,730 | $39.9K | 0 | 0.0% |
| Disciplined Investments, LLC | 55,886 | $31.1K | 0 | 0.0% |
| Americana Partners, LLC | 55,000 | $30.6K | +25,000 | 83.3% |
| RAYMOND JAMES FINANCIAL INC | 51,847 | $28.8K | -6 | -0.0% |
| INTEGRITY ALLIANCE, LLC. | 39,524 | $22.0K | 0 | 0.0% |
| PREVAIL INNOVATIVE WEALTH ADVISORS, LLC | 38,306 | $21.3K | 0 | 0.0% |
| HIGHLAND CAPITAL MANAGEMENT, LLC | 32,454 | $18.0K | 0 | 0.0% |
| XTX Topco Ltd | 29,015 | $16.1K | +29,015 | — |
New & Closed Positions this quarter
Closed Positions
6 managers exited
Top five by prior-quarter value
Methodology
Form 13F is the SEC's quarterly disclosure for institutional investment managers exercising discretion over $100 million or more in qualifying U.S. equity securities. Managers must file within 45 days of each calendar quarter end, which is why holdings shown here reflect a snapshot at the period date — not real-time positioning.
Quarter-over-quarter deltas compare each manager's most recently reported share count for CLIR against its prior-quarter count. New positions are entries where the prior count was zero; closed positions are entries where the current count is zero. Amendments (13F-HR/A) replace prior filings for the same period.
Source: SEC EDGAR Form 13F (XML information tables). Dollar values are as reported by the manager and may use mid-quarter pricing conventions. CUSIP-to-ticker resolution is best-effort.