Hannon Armstrong Sustainable Infrastructure Capital, Inc. (HASI) Ownership

NYSE: HASITop holders, insider trades and short interest.

HASI ownership summary

as of October 18, 2026
Institutions
111.4%
of shares outstanding
Insiders
2.24%
of shares outstanding
Shares outstanding
128.5M
Float
125.6M
shares available to trade
Short interest
15.16%
14.4M shares short
Days to cover
11.86
short interest up 3.2% vs prior month
  • Institutions 111.37%
  • Insiders 2.24%

HASI top institutional holders

20 largest
Hannon Armstrong Sustainable Infrastructure Capital, Inc. top institutional holders
#Holder% of sharesSharesValueChangeReported
1BlackRock Inc16.69%21.4M$777.8M+1.2M (+6.2%)June 30, 2026
2Wellington Management Company LLP7.64%9.8M$356.1M−1.6M (−14.1%)June 30, 2026
3Vanguard Portfolio Management, LLC6.18%7.9M$287.9M+167,178 (+2.2%)June 30, 2026
4T. Rowe Price Investment Management,Inc.5.21%6.7M$242.9M−177,089 (−2.6%)June 30, 2026
5Vanguard Capital Management, LLC4.51%5.8M$210.3M+75,961 (+1.3%)June 30, 2026
6State Street Corp4.48%5.7M$208.8M+335,288 (+6.2%)June 30, 2026
7AllianceBernstein L.P.3.57%4.6M$166.2M−10,513 (−0.2%)June 30, 2026
8JPMorgan Chase & Co3.50%4.5M$163.0M+521,369 (+13.2%)June 30, 2026
9Geode Capital Management, LLC2.89%3.7M$134.7M+606,318 (+19.6%)June 30, 2026
10Amvescap Plc.2.23%2.9M$103.8M+152,941 (+5.7%)June 30, 2026
11Amundi1.87%2.4M$87.0M−33,221 (−1.4%)June 30, 2026
12Morgan Stanley - Brokerage Accounts1.82%2.3M$84.9M+286,485 (+14.0%)June 30, 2026
13FMR Inc1.60%2.0M$74.5M−149,374 (−6.8%)June 30, 2026
14Northern Trust Corp1.40%1.8M$65.3M+217,001 (+13.8%)June 30, 2026
15NORGES BANK1.36%1.7M$63.3M−158,115 (−8.3%)June 30, 2026
16Rockefeller Capital Management L.P.1.32%1.7M$61.5M+62,382 (+3.8%)June 30, 2026
17The Goldman Sachs Group Inc1.32%1.7M$61.3M−76,500 (−4.3%)June 30, 2026
18Schroder Investment Management Group1.30%1.7M$60.6M−350,662 (−17.4%)June 30, 2026
19Erste Asset Management GmbH1.26%1.6M$58.7M−585,925 (−26.7%)June 30, 2026
20Swedbank AB1.24%1.6M$58.0M+500,090 (+45.8%)June 30, 2026

Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 11 holders added 4.2M shares and 9 cut 3.2M.

HASI top mutual fund and ETF holders

20 largest
Hannon Armstrong Sustainable Infrastructure Capital, Inc. top fund holders
#Holder% of sharesSharesValueChangeReported
1iShares Core S&P Small-Cap ETF5.96%7.6M$277.5M+1,671 (+0.0%)September 30, 2026
2Vanguard MStar Total Stk Mkt Idx Invest3.19%4.1M$148.8M−5,896 (−0.1%)August 31, 2026
3iShares Russell 2000 ETF2.65%3.4M$123.3M−12,438 (−0.4%)September 30, 2026
4Vanguard Small Cap Index2.31%3.0M$107.7M+4,770 (+0.2%)August 31, 2026
5T. Rowe Price Small-Cap Value1.93%2.5M$90.1M−22,656 (−0.9%)August 31, 2026
6Vanguard Explorer Inv1.77%2.3M$82.5M−959,027 (−29.7%)June 30, 2026
7Vanguard MStar Small Cap Value Index1.47%1.9M$68.3M+1,443 (+0.1%)August 31, 2026
8Fidelity Small Cap Index1.10%1.4M$51.4M+12,246 (+0.9%)July 31, 2026
9iShares Russell 2000 Value ETF0.95%1.2M$44.1M+1,836 (+0.2%)September 30, 2026
10Invesco Solar ETF0.94%1.2M$43.7M—September 30, 2026
11State Street SPDR Port S&P 600 Sm CpETF0.91%1.2M$42.4M—September 30, 2026
12Vanguard Global Equity Inv0.85%1.1M$39.8M−36,468 (−3.2%)June 30, 2026
13Hood River Small-Cap Growth Instl0.68%864K$31.5M—June 30, 2026
14T. Rowe Price Small-Cap Stock0.65%828K$30.2M−551 (−0.1%)August 31, 2026
15Vanguard Tax-Managed Small Cap Adm0.62%796K$29.0M—August 31, 2026
16AB Security of the Future S USD0.61%782K$28.5M+28,830 (+3.8%)August 31, 2026
17Rockefeller U.S. Small-Mid Cap ETF0.59%760K$27.7M—September 30, 2026
18Handelsbanken Hållbar Energi (A1 SEK)0.59%754K$27.5M−18,895 (−2.4%)September 30, 2026
19Vanguard Russell 2000 ETF0.58%742K$27.0M+17,638 (+2.4%)August 31, 2026
20KBI Global Energy Transition C EUR0.56%715K$26.0M−26,885 (−3.6%)September 30, 2026

Funds report holdings monthly or quarterly; dates differ by fund.

HASI insider transactions

latest 1
Hannon Armstrong Sustainable Infrastructure Capital, Inc. insider transactions
DateNameTransactionPriceSharesValue
2026-02-17Jeffrey EckelSell$39.23134,398$5.3M

Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.

HASI shares outstanding

Shares outstanding

Year-end shares outstanding, adjusted for splits.

Who owns HASI

Institutional investors own 111.4% of HA Sustainable Infrastructure's shares and insiders 2.24%. The largest holder is BlackRock Inc with 16.69% of the shares (21.4M), as of June 30, 2026. Among the top 20 institutions, 11 added shares and 9 reduced their stake in the latest filings. Short interest is 15.16% of the float, or 11.86 days of average trading volume. The share count rose 407.8% since 2014.

Related: HASI analyst forecast, HASI key metrics, HASI dividend history. See the HASI stock overview for the latest quote and news.

HASI ownership FAQ

Who owns the most HA Sustainable Infrastructure stock?

The largest shareholders of HA Sustainable Infrastructure are BlackRock Inc (16.69%), Wellington Management Company LLP (7.64%), Vanguard Portfolio Management, LLC (6.18%), T. Rowe Price Investment Management,Inc. (5.21%), Vanguard Capital Management, LLC (4.51%).

What percentage of HA Sustainable Infrastructure is owned by institutions?

Institutions hold 111.4% of HA Sustainable Infrastructure's shares outstanding; insiders hold 2.24%.

Which funds own HA Sustainable Infrastructure?

The largest fund holders of HA Sustainable Infrastructure are iShares Core S&P Small-Cap ETF (5.96%), Vanguard MStar Total Stk Mkt Idx Invest (3.19%), iShares Russell 2000 ETF (2.65%), Vanguard Small Cap Index (2.31%), T. Rowe Price Small-Cap Value (1.93%).

What is HA Sustainable Infrastructure's short interest?

14.4M shares of HA Sustainable Infrastructure were sold short, 15.16% of the float; at the average daily volume it would take 11.86 days to cover.

Are insiders buying or selling HA Sustainable Infrastructure?

Of the latest 1 reported insider transactions in HA Sustainable Infrastructure (since February 17, 2026), 0 were purchases and 1 were sales.

How many shares of HA Sustainable Infrastructure are outstanding?

HA Sustainable Infrastructure has 128.5M shares outstanding, of which 125.6M are in the public float.

Asset Management: ownership