BACKBLAZE INC-A (BLZE) Institutional Shareholders
BACKBLAZE INC-A (BLZE) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $527.45M in BLZE holdings during the latest filing period.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of BLZE tracked by InsiderSet, reporting ownership valued at approximately $74.90M in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $89.82M, representing an estimated gain of +19.92% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 55% of the total disclosed BLZE value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Driehaus Capital Management Llc, Vanguard Capital Management Llc, and several other long-term asset managers with concentrated positions in BACKBLAZE INC-A (BLZE).
This page ranks the largest institutional BLZE shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
162
Total Reported Value
$527.45M
Largest Holder
Blackrock, Inc.
Largest Position
$74.90M
Insider Transactions (90d)
9
Latest Filing Quarter
Q2 2026
New Institutional Positions
109
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.00% | 4,722,483 | $74,898,579 | $89,821,627 | +$14,923,048 | +19.92% | |
| Driehaus Capital Management Llc | 0.25% | 2,688,044 | $42,632,378 | $51,126,597 | +$8,494,219 | +19.92% | |
| Vanguard Capital Management Llc | 0.00% | 2,514,639 | $39,882,175 | $47,828,434 | +$7,946,259 | +19.92% | |
| Geode Capital Management, Llc | 0.00% | 1,525,097 | $24,194,147 | $29,007,345 | +$4,813,198 | +19.89% | |
| Awm Investment Company, Inc. | 1.93% | 1,400,166 | $22,206,633 | $26,631,157 | +$4,424,524 | +19.92% | |
| Pillsbury Lake Capital Llc | 5.84% | 1,339,837 | $21,249,815 | $25,483,700 | +$4,233,885 | +19.92% | |
| State Street Corp | 0.00% | 1,216,998 | $19,301,588 | $23,147,302 | +$3,845,714 | +19.92% | |
| Connor, Clark & Lunn Investment Management Ltd. | 0.03% | 1,156,752 | $18,346,087 | $22,001,423 | +$3,655,336 | +19.92% | |
| Aqr Capital Management Llc | 0.01% | 1,051,847 | $16,682,293 | $20,006,130 | +$3,323,837 | +19.92% | |
| Qube Research & Technologies Ltd | 0.01% | 766,200 | $12,151,932 | $14,573,124 | +$2,421,192 | +19.92% | |
| Renaissance Technologies LLC | Jim Simons | 0.02% | 762,608 | $12,094,963 | $14,504,804 | +$2,409,841 | +19.92% |
| Next Century Growth Investors Llc | 0.58% | 687,498 | $10,903,718 | $13,076,212 | +$2,172,494 | +19.92% | |
| Dimensional Fund Advisors Lp | 0.00% | 628,636 | $9,966,563 | $11,956,657 | +$1,990,094 | +19.97% | |
| Vanguard Portfolio Management Llc | 0.00% | 613,784 | $9,734,614 | $11,674,172 | +$1,939,558 | +19.92% | |
| Nuveen, Llc | 0.00% | 577,841 | $9,164,559 | $10,990,536 | +$1,825,977 | +19.92% | |
| Arrowstreet Capital, Limited Partnership | 0.00% | 550,070 | $8,724,110 | $10,462,331 | +$1,738,221 | +19.92% | |
| Millennium Management Llc | 0.01% | 495,435 | $7,857,599 | $9,423,174 | +$1,565,575 | +19.92% | |
| Northern Trust Corp | 0.00% | 483,598 | $7,669,865 | $9,198,034 | +$1,528,169 | +19.92% | |
| Jump Financial, Llc | 0.07% | 469,100 | $7,439,926 | $8,922,282 | +$1,482,356 | +19.92% | |
| Goldman Sachs Group Inc | 0.00% | 468,330 | $7,427,714 | $8,907,637 | +$1,479,923 | +19.92% | |
| Halter Ferguson Financial Inc. | 1.18% | 457,753 | $7,259,963 | $8,706,462 | +$1,446,499 | +19.92% | |
| Vanguard Fiduciary Trust Co | 0.00% | 423,644 | $6,718,994 | $8,057,709 | +$1,338,715 | +19.92% | |
| Morgan Stanley | 0.00% | 407,911 | $6,469,469 | $7,758,467 | +$1,288,998 | +19.92% | |
| Fmr Llc | 0.00% | 354,493 | $5,622,265 | $6,742,457 | +$1,120,192 | +19.92% | |
| P.A.W. Capital Corp | 3.89% | 320,000 | $5,075,200 | $6,086,400 | +$1,011,200 | +19.92% | |
| Prelude Capital Management, Llc | 0.37% | 316,851 | $5,025,257 | $6,026,506 | +$1,001,249 | +19.92% | |
| Marshall Wace, Llp | 0.00% | 316,341 | $5,017,168 | $6,016,806 | +$999,638 | +19.92% | |
| Perkins Capital Management Inc | 3.68% | 308,725 | $4,896,378 | $5,871,950 | +$975,572 | +19.92% | |
| Lazard Asset Management Llc | 0.01% | 297,138 | $4,712,609 | $5,651,565 | +$938,956 | +19.92% | |
| Raymond James Financial Inc | 0.00% | 249,686 | $3,960,019 | $4,749,028 | +$789,009 | +19.92% | |
| Tudor Investment Corp Et Al | 0.02% | 244,903 | $3,884,162 | $4,658,055 | +$773,893 | +19.92% | |
| Boothbay Fund Management, Llc | 0.07% | 242,386 | $3,844,242 | $4,610,182 | +$765,940 | +19.92% | |
| Jpmorgan Chase & Co | 0.00% | 243,341 | $3,642,815 | $4,628,346 | +$985,531 | +27.05% | |
| Trexquant Investment Lp | 0.02% | 226,095 | $3,585,867 | $4,300,327 | +$714,460 | +19.92% | |
| Ubs Group Ag | 0.00% | 215,721 | $3,421,335 | $4,103,013 | +$681,678 | +19.92% | |
| Norges Bank | 0.00% | 215,400 | $3,416,244 | $4,096,908 | +$680,664 | +19.92% | |
| Bank Of New York Mellon Corp | 0.00% | 193,812 | $3,073,852 | $3,686,304 | +$612,452 | +19.92% | |
| Charles Schwab Investment Management Inc | 0.00% | 169,718 | $2,691,727 | $3,228,036 | +$536,309 | +19.92% | |
| Sixth Street Partners Management Company, L.P. | 0.00% | 169,718 | $2,691,727 | $3,228,036 | +$536,309 | +19.92% | |
| Regal Partners Ltd | 0.14% | 163,076 | $2,586,385 | $3,101,706 | +$515,321 | +19.92% | |
| Ameriprise Financial Inc | 0.00% | 156,927 | $2,488,863 | $2,984,752 | +$495,889 | +19.92% | |
| Squarepoint Ops Llc | 0.00% | 155,417 | $2,464,914 | $2,956,031 | +$491,117 | +19.92% | |
| Cerity Partners Llc | 0.00% | 147,692 | $2,342,396 | $2,809,102 | +$466,706 | +19.92% | |
| Ieq Capital, Llc | 0.01% | 132,416 | $2,100,118 | $2,518,552 | +$418,434 | +19.92% | |
| Two Sigma Investments, Lp | 0.00% | 123,213 | $1,954,158 | $2,343,511 | +$389,353 | +19.92% | |
| Scientech Research Llc | 1.45% | 112,471 | $1,783,790 | $2,139,198 | +$355,408 | +19.92% | |
| Bank Of America Corp | 0.00% | 102,510 | $1,625,809 | $1,949,740 | +$323,931 | +19.92% | |
| Balyasny Asset Management L.P. | 0.00% | 93,917 | $1,489,523 | $1,786,301 | +$296,778 | +19.92% | |
| Informed Momentum Co Llc | 0.13% | 89,497 | $1,419,422 | $1,702,233 | +$282,811 | +19.92% | |
| Susquehanna International Group, Llp | 0.00% | 86,641 | $1,374,126 | $1,647,912 | +$273,786 | +19.92% |
Frequently asked questions about BLZE
Who owns the most BLZE stock?
The largest holders of BLZE are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for BACKBLAZE INC-A (BLZE).
Is BLZE widely held by superinvestors?
Many widely followed stocks like BLZE appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly BLZE is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.