Backblaze, Inc. 13F holders
168 funds reported a position in Backblaze, Inc. in their 13F for the quarter ended 30 June 2026, together 35.6 million shares worth $563.8 million. Against the quarter before, 54 opened a position, 68 added, 33 trimmed and 25 sold out; together they bought a net 6.2 million shares. The largest holders: BlackRock, Inc., Driehaus Capital Management LLC and Vanguard Capital Management LLC.
Funds holding168+30 on Q1 2026
Shares they held35.6Mworth $563.8 million
Net bought on the quarter6.2M sharesabout $98.8 million at the funds' values
Funds buying to selling122 to 58opened or added, to cut or sold
Opened 54Added 68Held 11Trimmed 33Sold out 25
What each fund did in BLZE against its 13F for the quarter before; a change under 0.1% of a holding counts as held
Funds reporting a position in BLZE in their 13F, each quarter; hover a bar for the shares they held
Filed so far for the quarter to 30 September 2026
3,241 funds have filed their 13F for the quarter so far; the rest are due by 16 November 2026. Of those, 26 reported a position in Backblaze, Inc.: 10 opened one, 10 added, 3 trimmed and 5 sold out, a net 983,433 shares bought.
The largest moves in the name among the funds that have filed, against each fund's previous 13F.
The well-known funds
Of the 44 funds followed here, 6 reported a position in Backblaze, Inc. in a 13F for the quarter ended 30 June 2026. The largest: Geode Capital Management, 1.5 million shares worth $24.2 million, 0.0% of its reported book. Sold out: Citadel Advisors, Point72 Asset Management. In the quarter, 4 funds added or opened a position and 3 trimmed or sold out; together they sold a net 288,297 shares, about $4.6 million at the funds' own value per share on 30 June 2026. A change under 0.1% of a holding counts as held.
| Fund | Shares | Value | Of its book | Change on the quarter | Status | Quarter ended | Filing |
|---|---|---|---|---|---|---|---|
| Geode Capital Management | 1,525,097 | $24.2 million | 0.0% | +179,904 | added | 30 June 2026 | 13F |
| Renaissance Technologies | 762,608 | $12.1 million | 0.0% | -410,049 | trimmed | 30 June 2026 | 13F |
| Millennium Management | 495,435 | $7.9 million | 0.0% | +372,084 | added | 30 June 2026 | 13F |
| FMR LLC | 354,493 | $5.6 million | 0.0% | +307,350 | added | 30 June 2026 | 13F |
| Norges Bank | 215,400 | $3.4 million | 0.0% | held | 30 June 2026 | 13F | |
| Two Sigma Investments | 123,213 | $2.0 million | 0.0% | +107,913 | added | 30 June 2026 | 13F |
| Citadel Advisors | 0 | $0 | 0.0% | -304,905 | exited | 30 June 2026 | 13F |
| Point72 Asset Management | 0 | $0 | 0.0% | -540,594 | exited | 30 June 2026 | 13F |
Value is what the fund reported.
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Change is shares against the fund's previous 13F; a fund with one filing read shows no change. 13Fs cover long US positions of managers above $100 million and are filed up to 45 days after the quarter.The largest holders
| Fund | Shares | Share of all | Value | Of its book | Change in shares | Filing |
|---|---|---|---|---|---|---|
| BlackRock, Inc. | 4,722,483 | 13.26% | $74.9 million | 0.00% | +1,038,584 | 13F |
| Driehaus Capital Management LLC | 2,688,044 | 7.55% | $42.6 million | 0.25% | new | 13F |
| Vanguard Capital Management LLC | 2,514,639 | 7.06% | $39.9 million | 0.00% | +170,192 | 13F |
| Acadian Asset Management LLC | 1,786,402 | 5.02% | $28.3 million | 0.03% | +147,834 | 13F |
| Geode Capital Management, LLC | 1,525,097 | 4.28% | $24.2 million | 0.00% | +179,904 | 13F |
| AWM Investment Company, Inc. | 1,400,166 | 3.93% | $22.2 million | 1.93% | no change | 13F |
| Pillsbury Lake Capital LLC | 1,339,837 | 3.76% | $21.2 million | 5.83% | -621,446 | 13F |
| State Street Corp. | 1,216,998 | 3.42% | $19.3 million | 0.00% | +104,348 | 13F |
| Connor, Clark & Lunn Investment Management Ltd. | 1,156,752 | 3.25% | $18.3 million | 0.04% | +323,480 | 13F |
| AQR Capital Management LLC | 1,051,847 | 2.95% | $16.7 million | 0.01% | +388,336 | 13F |
| Qube Research & Technologies Ltd | 766,200 | 2.15% | $12.2 million | 0.01% | +333,849 | 13F |
| Renaissance Technologies LLC | 762,608 | 2.14% | $12.1 million | 0.02% | -410,049 | 13F |
| Next Century Growth Investors LLC | 687,498 | 1.93% | $10.9 million | 0.58% | new | 13F |
| Dimensional Fund Advisors LP | 628,636 | 1.77% | $10.0 million | 0.00% | +111,050 | 13F |
| Vanguard Portfolio Management LLC | 613,784 | 1.72% | $9.7 million | 0.00% | -94,103 | 13F |
| Nuveen, LLC | 577,841 | 1.62% | $9.2 million | 0.00% | +506,698 | 13F |
| Arrowstreet Capital, Limited Partnership | 550,070 | 1.54% | $8.7 million | 0.00% | +249,566 | 13F |
| Millennium Management LLC | 495,435 | 1.39% | $7.9 million | 0.01% | +372,084 | 13F |
| Northern Trust Corp. | 483,598 | 1.36% | $7.7 million | 0.00% | +50,190 | 13F |
| Jump Financial, LLC | 469,100 | 1.32% | $7.4 million | 0.07% | +410,514 | 13F |
| Goldman Sachs Group Inc. | 468,330 | 1.32% | $7.4 million | 0.00% | +150,645 | 13F |
| Halter Ferguson Financial Inc. | 457,753 | 1.29% | $7.3 million | 1.18% | new | 13F |
| Vanguard Fiduciary Trust Co. | 423,644 | 1.19% | $6.7 million | 0.00% | +35,050 | 13F |
| Morgan Stanley | 407,911 | 1.15% | $6.5 million | 0.00% | +248,988 | 13F |
| FMR LLC | 354,493 | 1.00% | $5.6 million | 0.00% | +307,350 | 13F |
| P.a.w. Capital Corp. | 320,000 | 0.90% | $5.1 million | 3.89% | -40,000 | 13F |
| Prelude Capital Management, LLC | 316,851 | 0.89% | $5.0 million | 0.37% | -157,155 | 13F |
| Marshall Wace, LLP | 316,341 | 0.89% | $5.0 million | 0.00% | +254,786 | 13F |
| Perkins Capital Management Inc. | 308,725 | 0.87% | $4.9 million | 3.68% | -30,300 | 13F |
| Lazard Asset Management LLC | 297,138 | 0.83% | $4.7 million | 0.01% | +136,805 | 13F |
| Raymond James Financial Inc. | 249,686 | 0.70% | $4.0 million | 0.00% | +233,542 | 13F |
| Tudor Investment Corp. Et Al | 244,903 | 0.69% | $3.9 million | 0.02% | +23,524 | 13F |
| Boothbay Fund Management, LLC | 242,386 | 0.68% | $3.8 million | 0.07% | -114,277 | 13F |
| JPMorgan Chase & Co. | 243,341 | 0.68% | $3.6 million | 0.00% | +107,873 | 13F |
| Trexquant Investment LP | 226,095 | 0.63% | $3.6 million | 0.02% | new | 13F |
| UBS Group AG | 215,721 | 0.61% | $3.4 million | 0.00% | -88,360 | 13F |
| Norges Bank | 215,400 | 0.60% | $3.4 million | 0.00% | 13F | |
| HRT Financial LP | 195,120 | 0.55% | $3.1 million | 0.01% | new | 13F |
| Bank of New York Mellon Corp | 193,812 | 0.54% | $3.1 million | 0.00% | +13,297 | 13F |
| Charles Schwab Investment Management Inc. | 169,718 | 0.48% | $2.7 million | 0.00% | +48,450 | 13F |
| Regal Partners Ltd | 163,076 | 0.46% | $2.6 million | 0.14% | new | 13F |
| Ameriprise Financial Inc. | 156,927 | 0.44% | $2.5 million | 0.00% | -20,956 | 13F |
| Squarepoint Ops LLC | 155,417 | 0.44% | $2.5 million | 0.01% | +123,382 | 13F |
| Jupiter Topco LLC | 151,038 | 0.42% | $2.4 million | 0.00% | first 13F | 13F |
| Cerity Partners LLC | 147,692 | 0.41% | $2.3 million | 0.00% | +1,717 | 13F |
| Ieq Capital, LLC | 132,416 | 0.37% | $2.1 million | 0.01% | +39,487 | 13F |
| Franklin Resources Inc. | 128,852 | 0.36% | $2.0 million | 0.00% | new | 13F |
| Two Sigma Investments, LP | 123,213 | 0.35% | $2.0 million | 0.00% | +107,913 | 13F |
| Cambridge Investment Research Advisors, Inc. | 120,076 | 0.34% | $1.9 million | 0.00% | +75,150 | 13F |
| Scientech Research LLC | 112,471 | 0.32% | $1.8 million | 1.45% | new | 13F |
The 50 largest of the 168 funds that reported a position in BLZE in their 13F for the quarter ended 30 June 2026, by the value each reported.
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Share of all is the fund's part of all the shares the funds reported. Change is shares against the fund's 13F for the quarter before. A 13F lists a manager's long positions in US-listed shares at the quarter's end. What is a 13F?Options the funds reported on BLZE
| Fund | Option | Shares under the options | Value of those shares | Quarter ended | Filing |
|---|---|---|---|---|---|
| Citadel Advisors | Calls | 91,200 | $1.4 million | 30 June 2026 | 13F |
| Citadel Advisors | Puts | 54,000 | $856,440 | 30 June 2026 | 13F |
A 13F lists calls and puts by the shares they cover and what those shares were worth at the quarter's end, not what the options cost.
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They are not counted in the holdings above. A put gains when the stock falls, a call when it rises, and a fund may hold either to hedge.Schedule 13D and 13G filed on the name, last twelve months
| Filed | Schedule | Who | Holding | Of the class | Event date | Rule or purpose | Filing |
|---|---|---|---|---|---|---|---|
| 27 July 2026 | 13G/A | BlackRock, Inc. and 1 other | 4.5 million | 7.5% | 30 June 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 4 May 2026 | 13G/A | AWM Investment Company, Inc. and 1 other | 1.4 million | 2.3% | 31 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 26 March 2026 | 13G/A | The Vanguard Group and 1 other | 0 | 0.0% | 13 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 30 January 2026 | 13G | The Vanguard Group and 1 other | 3.1 million | 5.4% | 31 December 2025 | passive, institutional (13d-1(b)) | EDGAR |
A Schedule 13D is filed by anyone who crosses 5% of a class with intent to influence; a 13G by a passive holder.
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Amendments (/A) report a change, including an exit to zero. Holding and percentage are as the filer stated them on the cover page; the purpose is the filer's own words, cut short. 13D and 13GFails to deliver
| Settlement date | Shares failed | Price | File |
|---|---|---|---|
| 15 September 2026 | 31 | $12.84 | SEC |
| 4 September 2026 | 11 | $13.31 | SEC |
| 2 September 2026 | 4,395 | $13.53 | SEC |
| 20 August 2026 | 25 | $16.88 | SEC |
Shares that failed to deliver at settlement, per day, from the SEC's half-month files, which arrive about two weeks after the period.