Backblaze
BLZE
150 hedge funds and large institutions have $278M invested in Backblaze in 2025 Q3 according to their latest regulatory filings, with 40 funds opening new positions, 49 increasing their positions, 38 reducing their positions, and 21 closing their positions.
2,671% more call options, than puts
Call options by funds: $1.33M | Put options by funds: $48K
90% more first-time investments, than exits
New positions opened: 40 | Existing positions closed: 21
88% more capital invested
Capital invested by funds: $148M → $278M (+$130M)
29% more repeat investments, than reductions
Existing positions increased: 49 | Existing positions reduced: 38
15% more funds holding
Funds holding: 131 → 150 (+19)
4.01% more ownership
Funds ownership: 49.09% → 53.1% (+4%)
0% more funds holding in top 10
Funds holding in top 10: 2 → 2 (0)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
WA
Wasatch Advisors
Salt Lake City,
Utah
|
+$13.5M |
| 2 |
D.E. Shaw & Co
New York
|
+$2.36M |
| 3 |
Arrowstreet Capital
Boston,
Massachusetts
|
+$2.2M |
| 4 |
WCA
Whetstone Capital Advisors
Shawnee Mission,
Kansas
|
+$1.95M |
| 5 |
Citadel Advisors
Miami,
Florida
|
+$1.88M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
ACM
AIGH Capital Management
Baltimore,
Maryland
|
-$9.95M |
| 2 |
Royal Bank of Canada
Toronto,
Ontario, Canada
|
-$4.28M |
| 3 |
Marshall Wace
London,
United Kingdom
|
-$1.49M |
| 4 |
Qube Research & Technologies (QRT)
London,
United Kingdom
|
-$1.05M |
| 5 |
PAWC
P.A.W. Capital
Greenwich,
Connecticut
|
-$587K |
BLZE Hedge Fund Activity: Q3 2025 in Review
150 of the 7,621 institutional investors tracked by Wall St. Rank reported a position in Backblaze (BLZE) for Q3 2025, worth a combined $278M — up 88% from $148M a quarter earlier.
Buyers outnumbered sellers: 40 funds opened new BLZE positions and 21 closed out — a net gain of 19 holders — while 49 added to existing stakes and 38 trimmed.
The largest buyer was Wasatch Advisors, opening a new position worth an estimated $13.5M. The largest seller was AIGH Capital Management, exiting entirely with an estimated $9.95M sold.
- 150 institutional investors held Backblaze (BLZE) as of Q3 2025, up from 131 in Q2 2025.
- Funds reported $278M of Backblaze stock for Q3 2025, up 88% quarter-over-quarter.
- 40 funds opened new Backblaze positions in Q3 2025 and 21 closed out, a net change of +19 holders.
- The largest Backblaze buyer in Q3 2025 was Wasatch Advisors, an estimated $13.5M added.
- The largest Backblaze seller in Q3 2025 was AIGH Capital Management, an estimated $9.95M sold.
Based on aggregated 13F filings for Q3 2025.