Get started

Funds · ALTO

Who owns ALTO?

Institutional ownership of Alto Ingredients Inc. from Form 13F, Q2 2026

133 institutional managers reported holding Alto Ingredients Inc. (ALTO) in Form 13F filings for Q2 2026, with 35,905,255 shares worth $205M. The largest reported holder was BlackRock, Inc. Managers that filed both quarters added a net 3,499,517 shares (+10.9%). 54 opened new positions and 25 sold out.

Funds holding
133
Value held
$205M
New / sold out
54 / 25
Net shares, same filers
+10.9%

Holdings as of June 30, 2026, the end of Q2 2026. Managers have 45 days after a quarter ends to file Form 13F (by August 14, 2026 for Q2 2026), so positions may have changed since.

Largest holders of ALTO

FundValueShare of 13F holdingsSharesMove
BlackRock, Inc.$31.3M15.3%5,495,025Added
Vanguard Capital Management LLC$18.3M8.9%3,212,643Added
Arrowstreet Capital, Limited Partnership$13.0M6.4%2,280,128Added
Acadian Asset Management LLC$11.7M5.7%2,048,492Added
Geode Capital Management, LLC$11.3M5.5%1,980,080Added
Hillsdale Investment Management Inc.$9.7M4.7%1,703,703Added
Renaissance Technologies LLC$8.7M4.2%1,518,521Trimmed
State Street Corp$7.0M3.4%1,230,173Added
Two Sigma Investments, LP$6.8M3.3%1,198,890Trimmed
Dimensional Fund Advisors LP$6.5M3.2%1,143,740Added
Connor, Clark & Lunn Investment Management Ltd.$4.9M2.4%855,702Added
Jacobs Levy Equity Management, Inc$4.7M2.3%827,481Added
Northern Trust Corp$4.5M2.2%784,047Added
Creative Financial Designs Inc$3.5M1.7%615,304Trimmed
Panagora Asset Management Inc$3.3M1.6%583,829New
Charles Schwab Investment Management Inc$3.3M1.6%574,674Added
Bridgeway Capital Management, LLC$3.0M1.4%520,314Added
Vanguard Fiduciary Trust Co$2.9M1.4%508,017Added
Vanguard Portfolio Management LLC$2.8M1.4%497,008New
Goldman Sachs Group Inc$2.8M1.4%490,240Trimmed
BNP Paribas Financial Markets$2.7M1.3%479,586Added
Algert Global LLC$2.7M1.3%477,169Added
Empowered Funds, LLC$2.5M1.2%443,314Added
LPL Financial LLC$2.0M1.0%343,060Added
Bank of New York Mellon Corp$1.8M0.9%314,862Added

Share of 13F holdings is each fund's shares as a share of the 35,905,255 ALTO shares all 13F filers reported, not of shares outstanding.

Biggest buyers in Q2 2026

  1. BlackRock, Inc. Added+$23.9M
  2. Acadian Asset Management LLC Added+$8.3M
  3. Geode Capital Management, LLC Added+$6.2M
  4. State Street Corp Added+$4.9M
  5. Hillsdale Investment Management Inc. Added+$4.0M
  6. Jacobs Levy Equity Management, Inc Added+$3.6M
  7. Panagora Asset Management Inc New+$3.3M
  8. Northern Trust Corp Added+$3.3M
  9. Vanguard Portfolio Management LLC New+$2.8M
  10. Arrowstreet Capital, Limited Partnership Added+$2.8M

Biggest sellers in Q2 2026

  1. Marshall Wace, LLP Sold out-$16.2M
  2. Millennium Management LLC Trimmed-$9.9M
  3. Jane Street Group, LLC Sold out-$6.3M
  4. Susquehanna International Group, LLP Trimmed-$6.1M
  5. Two Sigma Investments, LP Trimmed-$4.6M
  6. Qube Research & Technologies Ltd Trimmed-$4.5M
  7. Bank of America Corp Trimmed-$2.9M
  8. Walleye Capital LLC Sold out-$2.3M
  9. Citadel Advisors LLC Sold out-$1.6M
  10. Centiva Capital, LP Trimmed-$1.3M

The change in shares since the quarter before, adjusted for stock splits and priced at the Q2 2026 value per share. Funds bought $93.0M and sold $67.5M; 39 added and 26 trimmed.

Schedule 13D and 13G filings on ALTO

Owners of more than 5% must file within days, so these can be newer than the 13F data.

Questions about ALTO ownership

Who owns ALTO stock?
133 institutional investment managers reported ALTO positions in their Form 13F filings for Q2 2026, holding 35,905,255 shares worth $205M in total. BlackRock, Inc. reported the largest position.
Are funds buying or selling ALTO?
In Q2 2026, 54 managers opened new ALTO positions, 39 added, 26 trimmed and 25 sold out. Managers that filed in both quarters added a net 3,499,517 shares.
How current is this ALTO institutional ownership data?
It covers holdings as of the end of Q2 2026. Managers have 45 days after the quarter ends to file Form 13F (by August 14, 2026 for Q2 2026), so positions may have changed since.

From the SEC's Form 13F data sets for Q2 2026: every 13F holdings report, matched to ALTO by CUSIP. Options are left out. ALTO news and filings · ALTO insider trades · Top funds