$NAMS stock is down 10% today. Here's what we see in our data.

$NAMS stock has now fallen 10% today, according to our price data from Polygon. There has been approximately $22,644,336 of trading volume.

Here is what we see in our data on $NAMS (you can track the company live on Quiver's $NAMS stock page):

$NAMS Insider Trading Activity

$NAMS insiders have traded $NAMS stock on the open market 8 times in the past 6 months. Of those trades, 0 have been purchases and 8 have been sales.

Here’s a breakdown of recent trading of $NAMS stock by insiders over the last 6 months:

• LOUISE FREDERIKA KOOIJ (Chief Accounting Officer) has made 0 purchases and 5 sales selling 145,000 shares for an estimated $4,393,814.
• JOHANNES JACOB PIETER KASTELEIN (Chief Scientific Officer) sold 125,000 shares for an estimated $3,363,750
• LOUIS G LANGE has made 0 purchases and 2 sales selling 44,619 shares for an estimated $1,357,229.

To track insider transactions, check out Quiver Quantitative's insider trading dashboard. You can access data on insider stock transactions through the Quiver Quantitative API insider transaction endpoint.

$NAMS Hedge Fund Activity

We have seen 115 institutional investors add shares of $NAMS stock to their portfolio, and 95 decrease their positions in their most recent quarter.

Here are some of the largest recent moves:

• WELLINGTON MANAGEMENT GROUP LLP removed 4,897,069 shares (-95.7%) from their portfolio in Q2 2026, for an estimated $165,961,668
• BAIN CAPITAL LIFE SCIENCES INVESTORS, LLC removed 3,500,000 shares (-47.9%) from their portfolio in Q2 2026, for an estimated $118,615,000
• ORBIS ALLAN GRAY LTD added 1,747,627 shares (+inf%) to their portfolio in Q2 2026, for an estimated $59,227,079
• FMR LLC added 1,573,852 shares (+18.0%) to their portfolio in Q2 2026, for an estimated $53,337,844
• PRICE T ROWE ASSOCIATES INC /MD/ added 1,167,357 shares (+inf%) to their portfolio in Q2 2026, for an estimated $39,561,728
• FRAZIER LIFE SCIENCES MANAGEMENT, L.P. added 1,145,128 shares (+6.8%) to their portfolio in Q2 2026, for an estimated $38,808,387
• JPMORGAN CHASE & CO added 1,132,955 shares (+inf%) to their portfolio in Q2 2026, for an estimated $38,395,844

To track hedge funds' stock portfolios, check out Quiver Quantitative's institutional holdings dashboard. You can access data on hedge funds moves and 13F filings through the Quiver Quantitative API 13F endpoint.

You can track data on $NAMS on Quiver Quantitative.

This article is not financial advice. See Quiver Quantitative's disclaimers for more information. Note that there may be inaccuracies due to mistakes in ticker-mapping, and other anomalies.