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DaveManuel.com · Institutional Ownership · Who Owns It

BACKBLAZE INC (BLZE)

Institutional ownership reported to the SEC as of Q2 2026, across 20 quarters.

174
Reporting holders
$584.5M
Reported value
57.5%
Of shares outstanding
3.1%
Calls
0.5%
Puts
+34
Holder change

Institutions report 35,613,913 shares against 61,900,000 outstanding. Shares only - option lines are excluded, which is why this can be compared with the company at all. The count comes from the cover page of the company's own most recent report, so it is dated when that was filed rather than at quarter end.

Calls and puts are the parts of reported value carried in derivative lines rather than shares, and they point in opposite directions: a manager holding calls is positioned for the security, one holding puts against it - or hedging shares they already own, which is why index funds carry so many. Most sites add the two together and report one figure, which averages away the only interesting part.

Holders

Download these holders as CSV

FilerValueShares Their book Held Change
BlackRock, Inc.$74.9M4,722,4830.00%8q+28.2%+$16.5M
Driehaus Capital Management LLC$42.6M2,688,0440.25%newNEW
VANGUARD CAPITAL MANAGEMENT LLC$39.9M2,514,6390.00%2q+7.3%+$2.7M
ACADIAN ASSET MANAGEMENT LLC$28.3M1,786,4020.03%5q+9.0%+$2.3M
GEODE CAPITAL MANAGEMENT, LLC$24.2M1,525,0970.00%19q+13.4%+$2.9M
AWM Investment Company, Inc.$22.2M1,400,1661.93%8qHELD
Pillsbury Lake Capital LLC$21.2M1,339,8375.80%3q-31.7%-$9.9M
STATE STREET CORP$19.3M1,216,9980.00%18q+9.4%+$1.7M
Connor, Clark & Lunn Investment Management Ltd.$18.3M1,156,7520.03%13q+38.8%+$5.1M
AQR CAPITAL MANAGEMENT LLC$16.7M1,051,8470.01%6q+58.5%+$6.2M
Qube Research & Technologies Ltd$12.2M766,2000.01%12q+77.2%+$5.3M
RENAISSANCE TECHNOLOGIES LLC$12.1M762,6080.02%18q-35.0%-$6.5M
NEXT CENTURY GROWTH INVESTORS LLC$10.9M687,4980.58%newNEW
DIMENSIONAL FUND ADVISORS LP$10.0M628,6360.00%13q+21.5%+$1.8M
VANGUARD PORTFOLIO MANAGEMENT LLC$9.7M613,7840.00%2q-13.3%-$1.5M
Nuveen, LLC$9.2M577,8410.00%6q+712.2%+$8.0M
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP$8.7M550,0700.00%5q+83.0%+$4.0M
MILLENNIUM MANAGEMENT LLC$7.9M495,4350.00%12q+301.6%+$5.9M
NORTHERN TRUST CORP$7.7M483,5980.00%19q+11.6%+$796.0K
Jump Financial, LLC$7.4M469,1000.06%5q+700.7%+$6.5M
GOLDMAN SACHS GROUP INC$7.4M468,3300.00%18q+47.4%+$2.4M
SUSQUEHANNA INTERNATIONAL GROUP, LLP$7.4M
incl. $6.0M options CALL+PUT
86,6410.00%12q-10.3%-$851.1K
Halter Ferguson Financial Inc.$7.3M457,7531.18%newNEW
VANGUARD FIDUCIARY TRUST CO$6.7M423,6440.00%2q+9.0%+$555.9K
MORGAN STANLEY$6.5M407,9110.00%19q+156.7%+$3.9M
FMR LLC$5.6M354,4930.00%10q+652.0%+$4.9M
P.A.W. CAPITAL CORP$5.1M320,0003.89%7q-11.1%-$634.4K
PRELUDE CAPITAL MANAGEMENT, LLC$5.0M316,8510.37%3q-33.2%-$2.5M
MARSHALL WACE, LLP$5.0M316,3410.00%12q+413.9%+$4.0M
PERKINS CAPITAL MANAGEMENT INC$4.9M308,7253.68%16q-8.9%-$480.6K
LAZARD ASSET MANAGEMENT LLC$4.7M297,1380.01%12q+85.3%+$2.2M
JANE STREET GROUP, LLC$4.2M CALL+PUToptions only0.00%4qOPTIONS
RAYMOND JAMES FINANCIAL INC$4.0M249,6860.00%7q+1446.6%+$3.7M
TUDOR INVESTMENT CORP ET AL$3.9M244,9030.01%4q+10.6%+$373.1K
BOOTHBAY FUND MANAGEMENT, LLC$3.8M242,3860.05%4q-32.0%-$1.8M
JPMORGAN CHASE & CO$3.6M243,3410.00%14q+79.6%+$1.6M
Trexquant Investment LP$3.6M226,0950.02%newNEW
UBS Group AG$3.4M215,7210.00%13q-29.1%-$1.4M
NORGES BANK$3.4M215,4000.00%newNEW
HRT FINANCIAL LP$3.1M195,1200.01%newNEW
Bank of New York Mellon Corp$3.1M193,8120.00%9q+7.4%+$210.9K
CHARLES SCHWAB INVESTMENT MANAGEMENT INC$2.7M169,7180.00%11q+40.0%+$768.4K
Kultura Capital Management LP$2.7M CALLoptions only0.48%newOPTIONS
Regal Partners Ltd$2.6M163,0760.14%newNEW
AMERIPRISE FINANCIAL INC$2.5M156,9270.00%4q-11.8%-$332.4K
Squarepoint Ops LLC$2.5M155,4170.00%4q+385.1%+$2.0M
Jupiter Topco LLC$2.4M151,0380.00%newFIRST
Cerity Partners LLC$2.3M147,6920.00%8q+1.2%+$27.2K
CITADEL ADVISORS LLC$2.3M CALL+PUToptions only0.00%19qOPTIONS
SIMPLEX TRADING, LLC$2.1M
incl. $1.0M options CALL+PUT
69,5910.00%3q+3878.9%+$2.1M
IEQ CAPITAL, LLC$2.1M132,4160.01%2q+42.5%+$626.3K
FRANKLIN RESOURCES INC$2.0M128,8520.00%newNEW
TWO SIGMA INVESTMENTS, LP$2.0M123,2130.00%12q+705.3%+$1.7M
Cambridge Investment Research Advisors, Inc.$1.9M120,0760.00%8q+167.3%+$1.2M
IMC-Chicago, LLC$1.9M CALL+PUToptions only0.00%2qOPTIONS
Scientech Research LLC$1.8M112,4711.45%newNEW
BANK OF AMERICA CORP /DE/$1.6M102,5100.00%15q+89.9%+$769.5K
GROUP ONE TRADING LLC$1.6M CALL+PUToptions only0.00%6qOPTIONS
Balyasny Asset Management L.P.$1.5M93,9170.00%newNEW
Informed Momentum Co LLC$1.4M89,4970.13%newNEW
CastleKnight Management LP$1.4M86,1000.02%12q-70.6%-$3.3M
XTX Topco Ltd$1.3M80,2810.02%10q-36.5%-$730.7K
SEI INVESTMENTS CO$1.2M76,1470.00%2q+339.1%+$932.7K
SCALAR GAUGE MANAGEMENT, LLC$1.2M75,0000.66%newNEW
Mariner, LLC$1.2M73,7790.00%2q+75.3%+$502.5K
RHUMBLINE ADVISERS$1.1M71,6940.00%13q+7.1%+$75.6K
BRIDGEWAY CAPITAL MANAGEMENT, LLC$1.1M69,8000.02%17q-18.6%-$253.8K
LOS ANGELES CAPITAL MANAGEMENT LLC$995.8K62,7840.00%newNEW
DEUTSCHE BANK AG\$924.7K58,3060.00%9q-0.7%-$6.8K
WELLS FARGO & COMPANY/MN$915.1K57,6990.00%15q+126.7%+$511.4K
Cetera Investment Advisers$909.7K
incl. $1.0K options CALL
57,2960.00%newNEW
ZACKS INVESTMENT MANAGEMENT$894.3K56,3880.01%5q+183.4%+$578.7K
Penbrook Management LLC$851.7K53,7000.54%7q-25.6%-$292.6K
Brevan Howard Capital Management LP$816.6K51,4850.01%2q+258.1%+$588.5K
D. E. Shaw & Co., Inc.$795.4K50,1500.00%11q-93.2%-$10.9M
BARCLAYS PLC$793.1K50,0040.00%18q-49.2%-$767.2K
NANO CAP NEW MILLENNIUM GROWTH FUND L P$793.0K50,0000.61%3q-83.1%-$3.9M
BNP PARIBAS FINANCIAL MARKETS$792.1K49,9430.00%7q+1.4%+$11.2K
PRICE T ROWE ASSOCIATES INC /MD/$775.0K48,8040.00%8q+10.8%+$75.3K
PDT Partners, LLC$773.7K48,7800.04%9qHELD
Integrated Quantitative Investments LLC$701.2K44,2120.11%newNEW
Quadrature Capital Ltd$686.8K43,3070.01%newNEW
BAILARD, INC.$672.5K42,4000.01%newNEW
Walleye Trading LLC$668.1K42,1240.00%newNEW
WEALTH ENHANCEMENT ADVISORY SERVICES, LLC$646.2K36,7180.00%2q+99.5%+$322.3K
Quantbot Technologies LP$577.8K36,4320.02%5q+11.8%+$60.9K
CANADA PENSION PLAN INVESTMENT BOARD$574.1K36,2000.00%3q-23.3%-$174.5K
MetLife Investment Management, LLC$539.9K34,0410.00%9q+79.1%+$238.5K
Cornerstone Investment Partners, LLC$518.3K32,6770.02%newNEW
FULLER & THALER ASSET MANAGEMENT, INC.$505.4K31,8670.00%newNEW
Invesco Ltd.$504.0K31,7790.00%10q-30.1%-$217.2K
Foundations Investment Advisors, LLC$475.8K30,0000.00%newNEW
SLT Holdings LLC$475.8K30,0000.30%newNEW
AMERICAN CENTURY COMPANIES INC$474.2K29,8990.00%newNEW
Belvedere Trading LLC$471.4K
incl. $352.1K options CALL
7,5220.00%newNEW
MERCER GLOBAL ADVISORS INC /ADV$446.7K28,1670.00%2q+81.1%+$200.1K
CITIGROUP INC$442.2K27,8820.00%12q+833.8%+$394.9K
Creative Planning$440.2K27,7580.00%2q+148.6%+$263.1K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.$428.5K27,0150.00%8q+2.8%+$11.6K
Walleye Capital LLC$423.6K
incl. $345.7K options CALL+PUT
4,9080.00%newNEW

Showing the largest 100 of 174 reported holders.

What the company announced

Form 8-K filings from the last 120 days, showing only the items worth a reader's attention. Earnings releases, exhibit attachments and general disclosures are filed constantly and are left out. Filed is when the SEC received it; event is the date the company says the thing happened.

FiledEvent dateWhatSource
2026-08-242026-08-19Material agreement enteredfiling

What the insiders did

Open market purchases and sales reported on Form 4 in the last 180 days. Grants, option exercises and shares surrendered to cover tax are left out: they are compensation rather than a decision to buy or sell. Where a broker filled one order in tranches the lines are summed, because it was one decision.

Officers and directors

DateInsiderRoleSideSharesValue
2026-08-21Budman GlebCEO and ChairpersonSold12,855$203.4K

Quarter by quarter

Coverage begins with the quarter ending 2018-12-31. Earlier filings exist only as occasional late amendments, too sparse to describe a market, so they are not shown.

QuarterHoldersValue SharesNewAdded TrimmedOptions
Q3 202626$22.8M1,630,179111030.0%
Q2 2026174$584.5M35,613,9135968353.5%
Q1 2026140$100.9M29,050,7372342450.6%
Q4 2025145$157.6M32,204,8782855364.1%
Q3 2025152$283.3M30,329,8683946370.6%
Q2 2025131$152.2M27,539,9613161240.5%
Q1 2025112$116.0M23,883,3901850280.6%
Q4 2024120$140.3M23,219,0022547200.4%
Q3 2024105$106.8M16,567,1252135280.9%
Q2 202497$97.9M15,494,3692427282.5%
Q1 202498$167.5M15,414,2293036175.8%
Q4 202374$82.5M10,809,918183180.5%
Q3 202358$43.1M7,785,952242140.7%
Q2 202339$22.7M5,222,3741114100.4%
Q1 202336$26.1M5,112,55281481.1%
Q4 202233$28.9M4,568,29751372.8%
Q3 202234$22.6M4,196,41371237.6%
Q2 202229$19.0M3,383,3864686.8%
Q1 202229$35.8M3,265,33378112.8%
Q4 202136$81.0M4,740,25138001.2%