| Dec 2021 | Massachusetts Institute Of Technology | 1,567,000 | 2.52% | 0 | 0.00% | 0 | 0.00% | 
                    
                        
                            
                                
                                    |  |  |  | 
                                
                        
                        
                            | Sep 2021 | Massachusetts Institute Of Technology | 1,567,000 | 2.52% | 0 | 0.00% | 0 | 0.00% | 
                    
                        
                            
                                
                                    |  |  |  | 
                                
                        
                        
                            | Jun 2021 | Massachusetts Institute Of Technology | 1,567,000 | 2.52% | 0 | 0.00% | 0 | 0.00% | 
                    
                        
                            
                                
                                    |  |  |  | 
                                
                        
                        
                            | Mar 2021 | Massachusetts Institute Of Technology | 1,567,000 | 2.52% | 0 | 0.00% | 0 | 0.00% | 
                    
                        
                            
                                
                                    |  |  |  | 
                                
                        
                        
                            | Dec 2020 | Massachusetts Institute Of Technology | 1,567,000 | 2.52% | 0 | 0.00% | 0 | 0.00% | 
                    
                        
                            
                                
                                    |  |  |  | 
                                
                        
                        
                            | Sep 2020 | Massachusetts Institute Of Technology | 1,567,000 | 2.52% | 0 | 0.00% | 0 | 0.00% | 
                    
                        
                            
                                
                                    |  |  |  | 
                                
                        
                        
                            | Sep 29, 2020 | Massachusetts Institute Of Technology | 1,567,000 | 2.52% | 0 | 0.00% | 0 | 0.00% | 
                    
                        
                        
                            | Sep 29, 2020 | Massachusetts Institute Of Technology | 1,567,000 | 2.52% | 0 | 0.00% | 0 | 0.00% | 
                    
                        
                            
                                
                                    |  |  |  | 
                                
                        
                        
                            | Jun 2020 | Massachusetts Institute Of Technology | 1,567,000 | 2.87% | 0 | 0.00% | 0 | 0.00% | 
                    
                        
                            
                                
                                    |  |  |  | 
                                
                        
                        
                            | Mar 2020 | Massachusetts Institute Of Technology | 1,567,000 | 2.87% | 0 | 0.00% | 0 | 0.00% | 
                    
                        
                            
                                
                                    |  |  |  | 
                                
                        
                        
                            | Dec 2019 | Massachusetts Institute Of Technology | 1,567,000 | 2.87% | 0 | 0.00% | 0 | 0.00% | 
                    
                        
                            
                                
                                    |  |  |  | 
                                
                        
                        
                            | Sep 2019 | Massachusetts Institute Of Technology | 1,567,000 | 2.87% | 0 | 0.00% | 0 | 0.00% | 
                    
                        
                            
                                
                                    |  |  |  | 
                                
                        
                        
                            | Jun 2019 | Massachusetts Institute Of Technology | 1,567,000 | 2.87% | 0 | 0.00% | 0 | 0.00% | 
                    
                        
                            
                                
                                    |  |  |  | 
                                
                        
                        
                            | Mar 2019 | Massachusetts Institute Of Technology | 1,544,234 | 2.82% | 0 | 0.00% | 0 | 0.00% |