π Insider ranking by R-coefficient
The R-coefficient measures each insider's real skill with Bayesian shrinkage: % of purchases with positive 60-day return, adjusted for the number of trades. Includes individuals and entities (company buybacks).
| # | Insider | Type | R | 60d win rate | Avg return | n |
|---|---|---|---|---|---|---|
| #1 | Baralonco Ltd | Entity | 0.999 | 100% | +11.9% | 9978 |
| #2 | BANCO SANTANDER CENTRAL HISPANO SA | Entity | 0.989 | 99% | +9.0% | 2710 |
| #3 | SMART HYDROGEN, INC. | Entity | 0.975 | 100% | +9.8% | 296 |
| #4 | Siemer Arnold B | Person | 0.974 | 99% | +57.1% | 604 |
| #5 | INMOBILIARIA CARSO S A DE C V | Entity | 0.971 | 99% | +17.1% | 322 |
| #6 | NIELSEN STEVEN E | Person | 0.970 | 100% | +18.5% | 246 |
| #7 | GANGWAL RAKESH | Person | 0.963 | 100% | +8.2% | 199 |
| #8 | STEPHENS GERALD D | Person | 0.961 | 100% | +5.5% | 188 |
| #9 | VALHI INC /DE/ | Entity | 0.961 | 100% | +34.5% | 184 |
| #10 | KAUFMAN IVAN | Person | 0.957 | 99% | +20.6% | 189 |
| #11 | Lanuza Cesar | Person | 0.953 | 98% | +24.8% | 257 |
| #12 | ZELL SAMUEL | Person | 0.952 | 99% | +10.4% | 190 |
| #13 | LACOB JOSEPH | Person | 0.952 | 99% | +12.6% | 188 |
| #14 | SILVERSTEIN BARRY | Person | 0.949 | 100% | +15.7% | 138 |
| #15 | ARASKOG RAND V | Person | 0.947 | 100% | +7.8% | 130 |
| #16 | CHEN FUSEN ERNIE | Person | 0.945 | 100% | +13.2% | 126 |
| #17 | LUBAR SHELDON B | Person | 0.944 | 100% | +5.4% | 124 |
| #18 | ENGEL JOHN | Person | 0.944 | 100% | +12.3% | 122 |
| #19 | CITRANO John A | Person | 0.943 | 100% | +6.8% | 120 |
| #20 | HOPLAMAZIAN MARK SAMUEL | Person | 0.941 | 100% | +3.1% | 117 |
| #21 | SMITH HAROLD B | Person | 0.937 | 100% | +9.5% | 108 |
| #22 | SOBECKI CHRISTOPHER J | Person | 0.937 | 100% | +40.3% | 108 |
| #23 | DEBBANE RAYMOND | Person | 0.936 | 100% | +41.3% | 106 |
| #24 | AMERICAN HALLMARK INSURANCE Co OF TEXAS | Entity | 0.934 | 100% | +21.9% | 102 |
| #25 | Markley John D Jr | Person | 0.934 | 100% | +17.0% | 102 |