Otter Tail

OTTR · NASDAQ

$89.86+$0.99 (+1.11%)TodayMarket closed ·
Prev close $88.87

Who owns OTTR

Largest institutional holders, from their latest 13F filings

The 10 largest institutions hold 47.2% of OTTR’s shares.

  • BlackRock Institutional Trust Company, N.A.13.6%
  • Vanguard Portfolio Management, LLC7.1%
  • Cascade Investment, L.L.C.7.1%
  • Vanguard Capital Management, LLC4.5%
  • Next 6 largest institutions14.8%
  • All other shareholders52.8%
Top institutional holders of OTTR
HolderShares% of shares
BlackRock Institutional Trust Company, N.A.5.71M13.61%
Vanguard Portfolio Management, LLC3.00M7.14%
Cascade Investment, L.L.C.2.97M7.08%
Vanguard Capital Management, LLC1.89M4.51%
State Street Investment Management (US)1.65M3.92%
LSV Asset Management1.19M2.83%
Geode Capital Management, L.L.C.1.11M2.65%
Dimensional Fund Advisors, L.P.828.02K1.97%
Gabelli Funds, LLC727.00K1.73%
Two Sigma Investments, LP725.77K1.73%

Largest mutual fund holders

Top mutual fund holders of OTTR
HolderShares% of shares
iShares Core S&P Small-Cap ETF2.56M6.09%
Vanguard Total Stock Market Index Fund1.34M3.20%
iShares Russell 2000 ETF1.00M2.39%
Vanguard Small-Cap Index Fund965.16K2.30%
Vanguard Small-Cap Value Index Fund612.99K1.46%

Insider trades

Form 4 filings by officers, directors and large holders

Over the last 6 months, insiders sold $394.04K (3 trades) of OTTR on the open market, with no buys.

Latest OTTR insider transactions
InsiderTypeSharesValue
KNUTSON PAUL LSale475$44.95K
KNUTSON PAUL LSale250$23.21K
KNUTSON PAUL LGift250—
KNUTSON PAUL LGift475—
KNUTSON PAUL LGift725—
KNUTSON PAUL LSale3.50K$325.89K

Short interest

Settled Sep 30, 2026

Shares short
4.81M
Days to cover
16.29
% of shares outstanding
11.47%
Average daily volume
295.61K
Change since last report
+0.5%

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