$SPIR stock has now fallen 17% today, according to our price data from Polygon. There has been approximately $8,885,708 of trading volume.
Here is what we see in our data on $SPIR (you can track the company live on Quiver's $SPIR stock page):
$SPIR Insider Trading Activity
$SPIR insiders have traded $SPIR stock on the open market 7 times in the past 6 months. Of those trades, 0 have been purchases and 7 have been sales.
Here’s a breakdown of recent trading of $SPIR stock by insiders over the last 6 months:
- PETER PLATZER (Executive Chairman) has made 0 purchases and 6 sales selling 217,437 shares for an estimated $2,539,188.
- STEPHEN MESSER sold 16,660 shares for an estimated $180,761
To track insider transactions, check out Quiver Quantitative's insider trading dashboard.
$SPIR Hedge Fund Activity
We have seen 69 institutional investors add shares of $SPIR stock to their portfolio, and 31 decrease their positions in their most recent quarter.
Here are some of the largest recent moves:
- ALYESKA INVESTMENT GROUP, L.P. removed 1,250,000 shares (-100.0%) from their portfolio in Q2 2025, for an estimated $14,875,000
- GRANAHAN INVESTMENT MANAGEMENT, LLC removed 856,842 shares (-75.2%) from their portfolio in Q2 2025, for an estimated $10,196,419
- HARBOR CAPITAL ADVISORS, INC. removed 316,546 shares (-100.0%) from their portfolio in Q3 2025, for an estimated $3,478,840
- MANATUCK HILL PARTNERS, LLC removed 312,500 shares (-100.0%) from their portfolio in Q2 2025, for an estimated $3,718,750
- BLACKROCK, INC. added 272,442 shares (+20.3%) to their portfolio in Q2 2025, for an estimated $3,242,059
- AWM INVESTMENT COMPANY, INC. added 243,246 shares (+1044.0%) to their portfolio in Q2 2025, for an estimated $2,894,627
- SUSQUEHANNA INTERNATIONAL GROUP, LLP added 235,721 shares (+89.5%) to their portfolio in Q2 2025, for an estimated $2,805,079
To track hedge funds' stock portfolios, check out Quiver Quantitative's institutional holdings dashboard.
You can track data on $SPIR 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.