# BGRN Impact Report (BlackRock) > BlackRock's August 2026 impact report for BGRN estimates that $1 million in the fund's holdings avoids 909 tons of CO2e a year. Summary by ETFIQ. Data as of Oct 28, 2026. Rebuilt every trading night. Published Aug 12, 2026 by BlackRock. Summary by ETFIQ as of Oct 28, 2026. ## BGRN Impact Report BlackRock's August 2026 impact report for BGRN estimates that $1 million in the fund's holdings avoids 909 tons of CO2e a year. BlackRock · Issuer · Read the full paper at BlackRock ↗ ### What it says Numbers as stated by BlackRock, Aug 12, 2026 - BlackRock says the same $1 million stake equals removing 212 cars from roads and yields 1,128 MWh of renewable power generated each year. (BlackRock, p. 1) - BlackRock also counts 101 MWh of yearly energy savings, 3,441 m3 of water saved annually and 95,783 passenger-km of public transit use per $1 million. (BlackRock, p. 1) - BlackRock notes its analysis covers 85% of the fund's constituents, and because issuers do not all report each metric, the results should not be extrapolated. (BlackRock, p. 1) - BlackRock cites the European Investment Bank, a 6.73% fund weight, whose 2024 green bond allocations are estimated to cut 3.9 million tons of GHG emissions per annum. (BlackRock, p. 6) - BlackRock says it has measured green bond impact at the portfolio level with its own method for 9 years, using holdings as of 6/30/2026. (BlackRock, p. 1) ### The ETFIQ take ETFIQ data to Oct 27, 2026 · the 204 of 831 bond ETFs with a daily number, Sep 28, 2026 to Oct 27, 2026 BlackRock reports $1 million in BGRN's holdings is estimated to avoid 909 tons of CO2e yearly, holdings as of 6/30/2026. From Sep 28, 2026 to Oct 27, 2026, bond ETFs had a net flow of +$35.6bn, summed over the 204 of 831 bond ETFs ETFIQ covers that have a daily number. +$35.6bn net flow into bond ETFs, Sep 28, 2026 to Oct 27, 2026, over the 204 of 831 with a daily number , Oct 27, 2026. ETFIQ +$183.2bn net flow into bond ETFs, Jan 2, 2026 to Oct 27, 2026, over the 184 of 831 with a daily number , Oct 27, 2026. ETFIQ Paper: BGRN holdings, 85% of constituents covered, as of 6/30/2026. ETFIQ: the 204 of 831 bond ETFs with a daily number, Sep 28, 2026 to Oct 27, 2026. Net flow is the change in shares outstanding times the day’s NAV, summed over the days in the window, for the funds with a daily number. The two sets and windows differ; the numbers are stated, not reconciled. Method Data ### Related ETFs The largest bond ETFs ETFIQ covers, by net assets - BND Vanguard Total Bond Market ETF: −1.3% - AGG iShares Core U.S. Aggregate Bond ETF: −1.4% - SGOV iShares 0-3 Month Treasury Bond ETF: +3.7% - BNDX Vanguard Total International Bond ETF: −0.9% - VCIT Vanguard Intermediate-Term Corporate Bond ETF: −1.8% - MUB iShares National Muni Bond ETF: −0.4% Number: total return, 1 year, to Oct 28, 2026, from each fund’s page. All 832 bond ETFs → ### Related papers Vanguard · Issuer · Apr 1, 2026 · ETFIQ take #### Jeff Johnson on the rise of active fixed income ETFs In an April 2026 podcast summary, Vanguard, citing Morningstar, says fixed income drew approximately $600 billion of flows in 2025, roughly 70% of it into ETFs. Bonds Read the paper ↗ Investment Company Institute · Industry body · Oct 20, 2026 · ETFIQ take #### Release: Estimated ETF Net Issuance In an October 2026 release, the Investment Company Institute estimated net ETF issuance of $53.26 billion for the week to October 14, 2026. Flows Bonds Read the paper ↗ State Street Investment Management · Issuer · Oct 16, 2026 · ETFIQ take #### Industry & thematic ETF State Street Investment Management's October 2026 dashboard finds industry ETFs took in net new money of $9.6B during Q3 2026, a fifth straight quarter of inflows. Themes Read the paper ↗ All 18 papers on bonds → ### Questions people ask What does the BlackRock paper conclude? BlackRock's August 2026 impact report for BGRN estimates that $1 million in the fund's holdings avoids 909 tons of CO2e a year. The paper’s own words are at the link above. What does ETFIQ’s data show on the same question? From Sep 28, 2026 to Oct 27, 2026, bond ETFs had a net flow of +$35.6bn, summed over the 204 of 831 bond ETFs ETFIQ covers that have a daily number. ETFIQ states both numbers and does not reconcile them. What does a bond ETF hold? A basket of bonds, such as Treasuries or corporate bonds, with a duration and credit mix set by its index or manager. Where can I read “BGRN Impact Report”? On BlackRock’s own site. ETFIQ summarizes the paper and does not host it. --- Source: ETFIQ, independent ETF data. Recomputed nightly from public filings and prices. Cite: ETFIQ, BGRN Impact Report (BlackRock), summary and ETFIQ take, as of Oct 28, 2026. https://etfiq.com/research/library/blackrock-bgrn-impact-report/ Licence: https://etfiq.com/license/ Data ETFIQ computes is free to use with attribution: ETFIQ (etfiq.com). Issuer data stays under its owner's terms. HTML: https://etfiq.com/research/library/blackrock-bgrn-impact-report/