$ABCL’s Chief Financial Officer, Andrew Booth, recently acquired 42,600 shares of the company’s stock on February 27, 2026, for about $145,692. This data, reported by Quiver Quantitative, comes from the latest SEC filings. With this purchase, his holdings in this category of shares have increased by roughly 27.8%, bringing the total to 195,600 shares of $ABCL.
$ABCL Insider Trading Activity
$ABCL insiders have engaged in trading $ABCL stock on the open market twice in the last six months. Of those activities, there have been two purchases and no sales.
Here’s a recap of the most recent insider transactions concerning $ABCL stock:
- John S. Montalbano bought 50,000 shares for approximately $178,460.
- Andrew Booth purchased 42,600 shares at an estimated value of $145,692.
For tracking insider transactions, you can refer to Quiver Quantitative’s Insider Trading Dashboard.
$ABCL Hedge Fund Activities
Recently, it appears that 75 institutional investors have added $ABCL stock to their portfolios, while 82 have reduced their positions in the last quarter.
Here are some noteworthy recent shifts:
- BAILLIE GIFFORD & CO eliminated 10,422,966 shares (-100.0%) in Q4 2025, totaling about $35,646,543.
- UBS AM increased its holdings by adding 7,876,629 shares (+inf%) during Q4 2025, representing around $26,938,071.
- Goldman Sachs Group saw significant growth, with an addition of 4,094,268 shares (+1636.3%) in Q4 2025, worth about $14,002,396.
- ORBIMED ADVISORS LLC removed 3,344,568 shares (-100.0%) from its portfolio in Q3 2025, amounting to $16,823,177.
- TANG CAPITAL MANAGEMENT LLC also removed 2,600,000 shares (-100.0%) in Q4 2025, equating to $8,892,000.
- DRIEHAUS CAPITAL MANAGEMENT LLC added 2,045,058 shares (+118.4%) in Q4 2025, valued at $6,994,098.
- TUDOR INVESTMENT CORP ET AL increased their portfolio by 1,065,888 shares (+146.0%) in Q4 2025, totaling $3,645,336.
To explore hedge funds’ stock portfolios, check out Quiver Quantitative’s Institutional Holdings dashboard.
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