BACKBLAZE INC-A (BLZE) Institutional Ownership Changes & 13F Activity
BACKBLAZE INC-A (BLZE). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Driehaus Capital Management Llc, D. E. Shaw & Co., Inc., Next Century Growth Investors Llc, Pillsbury Lake Capital Llc, and Aqr Capital Management Llc.
| Institution | Type | Change in shares | Change Position % | Shares | Reported stock balance | Portfolio quarter | Filing date |
|---|---|---|---|---|---|---|---|
| State Street Corp | Buy | +104,348 | +9.4% | 1,216,998 | $19.30M | Q2 2026 | Sep 22, 2026 |
| Manufacturers Life Insurance Company, The | Sell | -792 | -4.8% | 15,617 | $247.69K | Q2 2026 | Sep 09, 2026 |
| M&T Bank Corp | Sell | -10,479 | -100.0% | 0 | $0.00 | Q2 2026 | Sep 04, 2026 |
| California State Teachers Retirement System | Sell | -2,196 | -73.6% | 789 | $12.51K | Q2 2026 | Aug 24, 2026 |
| Mercer Global Advisors Inc | Buy | +12,614 | +81.1% | 28,167 | $446.73K | Q2 2026 | Aug 19, 2026 |
| Driehaus Capital Management Llc | Buy | +2,688,044 | — | 2,688,044 | $42.63M | Q2 2026 | Aug 14, 2026 |
| D. E. Shaw & Co., Inc. | Sell | -688,883 | -93.2% | 50,150 | $795.38K | Q2 2026 | Aug 14, 2026 |
| Next Century Growth Investors Llc | Buy | +687,498 | — | 687,498 | $10.90M | Q2 2026 | Aug 14, 2026 |
| Pillsbury Lake Capital Llc | Sell | -621,446 | -31.7% | 1,339,837 | $21.25M | Q2 2026 | Aug 14, 2026 |
| Aqr Capital Management Llc | Buy | +388,336 | +58.5% | 1,051,847 | $16.68M | Q2 2026 | Aug 14, 2026 |
| Millennium Management Llc | Buy | +372,084 | +301.6% | 495,435 | $7.86M | Q2 2026 | Aug 14, 2026 |
| Qube Research & Technologies Ltd | Buy | +333,849 | +77.2% | 766,200 | $12.15M | Q2 2026 | Aug 14, 2026 |
| Nano Cap New Millennium Growth Fund L P | Sell | -245,000 | -83.1% | 50,000 | $793.00K | Q2 2026 | Aug 14, 2026 |
| Raymond James Financial Inc | Buy | +233,542 | +1446.6% | 249,686 | $3.96M | Q2 2026 | Aug 14, 2026 |
| Trexquant Investment Lp | Buy | +226,095 | — | 226,095 | $3.59M | Q2 2026 | Aug 14, 2026 |
| Castleknight Management Lp | Sell | -207,200 | -70.6% | 86,100 | $1.37M | Q2 2026 | Aug 14, 2026 |
| Hrt Financial Lp | Buy | +195,120 | — | 195,120 | $3.09M | Q2 2026 | Aug 14, 2026 |
| Regal Partners Ltd | Buy | +163,076 | — | 163,076 | $2.59M | Q2 2026 | Aug 14, 2026 |
| Prelude Capital Management, Llc | Sell | -157,155 | -33.2% | 316,851 | $5.03M | Q2 2026 | Aug 14, 2026 |
| Ameriprise Financial Inc | Buy | +156,927 | — | 156,927 | $2.49M | Q2 2026 | Aug 14, 2026 |
| Goldman Sachs Group Inc | Buy | +150,645 | +47.4% | 468,330 | $7.43M | Q2 2026 | Aug 14, 2026 |
| Lazard Asset Management Llc | Buy | +136,805 | +85.3% | 297,138 | $4.71M | Q2 2026 | Aug 14, 2026 |
| Squarepoint Ops Llc | Buy | +123,382 | +385.1% | 155,417 | $2.46M | Q2 2026 | Aug 14, 2026 |
| Boothbay Fund Management, Llc | Sell | -114,277 | -32.0% | 242,386 | $3.84M | Q2 2026 | Aug 14, 2026 |
| Scientech Research Llc | Buy | +112,471 | — | 112,471 | $1.78M | Q2 2026 | Aug 14, 2026 |
| Two Sigma Investments, Lp | Buy | +107,913 | +705.3% | 123,213 | $1.95M | Q2 2026 | Aug 14, 2026 |
| Balyasny Asset Management L.P. | Buy | +93,917 | — | 93,917 | $1.49M | Q2 2026 | Aug 14, 2026 |
| Scalar Gauge Management, Llc | Buy | +75,000 | — | 75,000 | $1.19M | Q2 2026 | Aug 14, 2026 |
| Sei Investments Co | Buy | +58,806 | +339.1% | 76,147 | $1.21M | Q2 2026 | Aug 14, 2026 |
| Bank Of America Corp | Buy | +48,519 | +89.9% | 102,510 | $1.63M | Q2 2026 | Aug 14, 2026 |
Frequently asked questions about BLZE activity
Which institutional owners are buying BLZE?
Institutional owners buying BLZE include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in BLZE activity?
"Buy" means an investor increased their reported position in BLZE compared to the prior reporting period. This reflects growing exposure to BACKBLAZE INC-A (BLZE) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in BLZE increasing?
Institutional interest in BLZE can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.
Related BLZE Institutional Insights
- BLZE Overview
- BLZE 13F Institutional Holders
- BLZE Top Institutional Shareholders
- Technology Sector Institutional Ownership
- Technology Sector Portfolio Overlap
- Institutional Portfolio Overlap & Shared Holdings
- Most Bought Technology Stocks By Institutional Investors
- Most Sold Technology Stocks By Institutional Investors
- BLZE Insider Trading & SEC Form 4 Activity
- BLZE Articles
- Top Institutional Investor Stock Rankings