Partners Master Fund, L.P. Casdin, a director at $LAB, bought 250,000 shares of the company on 09-04-2025 for an estimated $319,350. This trade was reported by Quiver Quantitative using data from a recent SEC filing. This increased their holdings of this class of stock by approximately 0.4%. Following this trade, they now own 60,775,000 shares of this class of $LAB stock.
$LAB Insider Trading Activity
$LAB insiders have traded $LAB stock on the open market 17 times in the past 6 months. Of those trades, 8 have been purchases and 9 have been sales.
Here’s a breakdown of recent trading of $LAB stock by insiders over the last 6 months:
- PARTNERS MASTER FUND, L.P. CASDIN has made 8 purchases buying 1,383,220 shares for an estimated $1,737,580 and 0 sales.
- SEAN MACKAY (SVP & Chief Business Officer) has made 0 purchases and 3 sales selling 38,591 shares for an estimated $38,221.
- MICHAEL EGHOLM (President & CEO) has made 0 purchases and 3 sales selling 15,308 shares for an estimated $15,136.
- HANJOON ALEX KIM (Chief Financial Officer) has made 0 purchases and 3 sales selling 4,190 shares for an estimated $4,150.
To track insider transactions, check out Quiver Quantitative's insider trading dashboard.
$LAB Hedge Fund Activity
We have seen 76 institutional investors add shares of $LAB stock to their portfolio, and 69 decrease their positions in their most recent quarter.
Here are some of the largest recent moves:
- TIKVAH MANAGEMENT LLC removed 6,551,058 shares (-100.0%) from their portfolio in Q2 2025, for an estimated $7,861,269
- MORGAN STANLEY removed 4,484,668 shares (-41.9%) from their portfolio in Q2 2025, for an estimated $5,381,601
- LONG FOCUS CAPITAL MANAGEMENT, LLC added 3,370,000 shares (+50.3%) to their portfolio in Q2 2025, for an estimated $4,044,000
- MAK CAPITAL ONE LLC added 2,822,701 shares (+101.7%) to their portfolio in Q2 2025, for an estimated $3,387,241
- MILLENNIUM MANAGEMENT LLC removed 2,712,530 shares (-53.5%) from their portfolio in Q2 2025, for an estimated $3,255,036
- KENT LAKE PR LLC added 1,000,000 shares (+inf%) to their portfolio in Q2 2025, for an estimated $1,200,000
- GOLDMAN SACHS GROUP INC added 642,555 shares (+95.0%) to their portfolio in Q2 2025, for an estimated $771,066
To track hedge funds' stock portfolios, check out Quiver Quantitative's institutional holdings dashboard.
This article is not financial advice. See Quiver Quantitative's disclaimers for more information.
