Nick Leschly - Net Worth and Insider Trading
Nick Leschly Net Worth
The estimated net worth of Nick Leschly is at least $7 Million dollars as of 2025-04-28. Nick Leschly is the Director of 2seventy bio Inc and owns about 1,289,839 shares of 2seventy bio Inc (TSVT) stock worth over $6 Million. Nick Leschly is also the Director of bluebird bio Inc and owns about 22,442 shares of bluebird bio Inc (BLUE) stock worth over $93,359. Details can be seen in Nick Leschly's Latest Holdings Summary section.
Disclaimer: The insider information is derived from SEC filings. The estimated net worth is based on the final shares held after open market or private purchases and sales of common stock with a transaction code of "P" or "S" on Form 4, assuming that Nick Leschly has not made any transactions after 2025-01-06 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.

Transaction Summary of Nick Leschly
Nick Leschly Insider Ownership Reports
Based on ownership reports from SEC filings, as the reporting owner, Nick Leschly owns 3 companies in total, including bluebird bio Inc (BLUE) , Synlogic Inc (SYBX) , and 2seventy bio Inc (TSVT) .
Click here to see the complete history of Nick Leschly’s form 4 insider trades.
Insider Ownership Summary of Nick Leschly
Ticker | Company | Transaction Date | Type of Owner |
---|---|---|---|
BLUE | bluebird bio Inc | 2023-01-11 | director & President and CEO |
SYBX | Synlogic Inc | 2017-08-28 | director |
TSVT | 2seventy bio Inc | 2025-01-06 | director & President and CEO |
Nick Leschly Latest Holdings Summary
Nick Leschly currently owns a total of 2 stocks. Among these stocks, Nick Leschly owns 1,289,839 shares of 2seventy bio Inc (TSVT) as of January 6, 2025, with a value of $6 Million and a weighting of 98.57%. Nick Leschly also owns 22,442 shares of bluebird bio Inc (BLUE) as of January 11, 2023, with a value of $93,359 and a weighting of 1.43%.
Latest Holdings of Nick Leschly
Ticker | Company | Latest Transaction Date | Shares Owned | Current Price ($) | Current Value ($) |
---|---|---|---|---|---|
TSVT | 2seventy bio Inc | 2025-01-06 | 1,289,839 | 4.98 | 6,423,398 |
BLUE | bluebird bio Inc | 2023-01-11 | 22,442 | 4.16 | 93,359 |
Holding Weightings of Nick Leschly
Nick Leschly Form 4 Trading Tracker
According to the SEC Form 4 filings, Nick Leschly has made a total of 12 transactions in 2seventy bio Inc (TSVT) over the past 5 years, including 1 buys and 11 sells. The most-recent trade in 2seventy bio Inc is the sale of 86,870 shares on January 6, 2025, which brought Nick Leschly around $254,529.
According to the SEC Form 4 filings, Nick Leschly has made a total of 12 transactions in bluebird bio Inc (BLUE) over the past 5 years, including 0 buys and 12 sells. The most-recent trade in bluebird bio Inc is the sale of 215 shares on January 11, 2023, which brought Nick Leschly around $33,462.
Insider Trading History of Nick Leschly
- 1
Nick Leschly Trading Performance
GuruFocus tracks the stock performance after each of Nick Leschly's buying transactions within different timeframes. To be detailed, the average return of stocks after 3 months bought by Nick Leschly is -15.48%. GuruFocus also compares Nick Leschly's trading performance to market benchmark return within the same time period. The performance of stocks bought by Nick Leschly within 3 months outperforms 0 times out of 2 transactions in total compared to the return of S&P 500 within the same period.
You can select different timeframes to see how Nick Leschly's insider trading performs compared to the benchmark.
Performance of Nick Leschly
Nick Leschly Ownership Network
Ownership Network List of Nick Leschly
Ownership Network Relation of Nick Leschly

Nick Leschly Owned Company Details
What does bluebird bio Inc do?
Who are the key executives at bluebird bio Inc?
Nick Leschly is the director & President and CEO of bluebird bio Inc. Other key executives at bluebird bio Inc include Chief Medical Officer Richard A Colvin , Chief Commercial Officer & SGD Thomas J Klima , and President of SGD Andrew Obenshain .
bluebird bio Inc (BLUE) Insider Trades Summary
Over the past 18 months, Nick Leschly made no insider transaction in bluebird bio Inc (BLUE). Other recent insider transactions involving bluebird bio Inc (BLUE) include a net sale of 13,140 shares made by Andrew Obenshain , a net sale of 12,617 shares made by Richard A Colvin , and a net sale of 11,243 shares made by Thomas J Klima .
In summary, during the past 3 months, insiders sold 510 shares of bluebird bio Inc (BLUE) in total and bought 0 shares, with a net sale of 510 shares. During the past 18 months, 2,985 shares of bluebird bio Inc (BLUE) were sold and 0 shares were bought by its insiders, resulting in a net sale of 2,985 shares.
bluebird bio Inc (BLUE)'s detailed insider trading history can be found in Insider Trading Tracker table.
bluebird bio Inc Insider Transactions
Nick Leschly Mailing Address
Above is the net worth, insider trading, and ownership report for Nick Leschly. Based on the public information released on the U.S. Securities and Exchange Commission (SEC) website, Nick Leschly's mailing address is: Cambridge Ma 02139.