OTTER TAIL CORP

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OTTR·689648103·US·Common Stock·Industrials - Conglomerates-13D/G

OTTR (OTTER TAIL CORP) is held by 156 institutional investors as of Q2 2026. Largest holders: BlackRock, Inc. ($590.1M), VANGUARD PORTFOLIO MANAGEMENT LLC ($269.6M), VANGUARD CAPITAL MANAGEMENT LLC ($170.2M). Net institutional sentiment: Mixed.

156

Holders

(12 Elite)

$2.4B

Total Value

62% (156)

Consensus

96 buying - 60 selling

13F: Jun 30, 2026Insider & Congress: Updated regularly

Smart Money Verdict

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Institutional (13F)66

Insider (Form 4)29

Activist (13D/13G)61

Congressional (STOCK Act)64

Holder Quality

70

★★★★★

Elite

88

★★★★

Strong

78

★★★

Solid

36

★★

Below

57

★

Weak

Held by 156 funds

12 elite

Who's Trading

Source dates: Price Aug 17, 2026 · Insiders Aug 12, 2026 · Activists Aug 7, 2026 · Congress none

InsiderKLKNUTSON PAUL LSell $45KAug 11, 2026

InsiderKLKNUTSON PAUL LSell $23KAug 10, 2026

ActivistSTATE STREET CORPORATION5.1%Aug 7, 2026

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Top Holders

Top Holders (156)History

AllNewIncreasedHeldDecreasedExited

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Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
BlackRock, Inc.	Increased	6.6M(+2.1%)	$590.1M	0.0%	+30.33%	32
VPVANGUARD PORTFOLIO MANAGEMENT LLC	Increased	3M(+1.7%)	$269.6M	0.0%	+6.83%	31
VAVANGUARD CAPITAL MANAGEMENT LLC	Increased	1.9M(+1.4%)	$170.2M	0.0%	+6.84%	31
STATE STREET CORP	Increased	1.6M(+4.9%)	$148.1M	0.0%	+16.31%	32
GEODE CAPITAL MANAGEMENT, LLC	Increased	1.1M(+5.5%)	$100.2M	0.0%	+71.04%	32
MORGAN STANLEY	Increased	885,376(+35.3%)	$79.7M	0.0%	+10.23%	39
DIMENSIONAL FUND ADVISORS LP	Increased	828,016(+1.6%)	$74.5M	0.0%	+38.17%	30
TWO SIGMA INVESTMENTS, LP	Increased	725,769(+9.5%)	$65.3M	0.0%	+10.11%	32
FIRST TRUST ADVISORS LP	Increased	637,043(+5.0%)	$57.3M	0.0%	+18.53%	31
CAISSE DE DEPOT ET PLACEMENT DU QUEBEC	Decreased	539,873(-5.3%)	$48.6M	0.1%	+23.88%	0
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	Decreased	519,756(-0.8%)	$46.8M	0.0%	+91.32%	0
GABELLI FUNDS LLC	Decreased	462,200(-1.1%)	$41.6M	0.3%	+127.80%	0
NORTHERN TRUST CORP	Increased	453,446(+5.0%)	$40.8M	0.0%	+78.31%	31
DED. E. Shaw & Co., Inc.	Increased	447,021(+11.9%)	$40.2M	0.0%	+13.41%	33
Bank of New York Mellon Corp	Increased	358,275(+2.2%)	$32.2M	0.0%	+90.56%	29
JPMORGAN CHASE & CO	Decreased	315,978(-7.0%)	$28.3M	0.0%	+18.77%	0
BANK OF AMERICA CORP /DE/	Decreased	312,589(-7.1%)	$28.1M	0.0%	+26.17%	0
VFVANGUARD FIDUCIARY TRUST CO	Increased	278,778(+2.3%)	$25.1M	0.0%	+6.81%	29
VICTORY CAPITAL MANAGEMENT INC	Increased	276,060(+9.4%)	$24.8M	0.0%	+17.16%	31
Nuveen, LLC	Increased	268,456(+41.9%)	$24.2M	0.0%	+12.71%	38

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High Conviction Moves-Smart Money Convergence-Fund Consensus-Double-Down Detection

Data sourced from four public-disclosure sources: SEC 13F, Form 4, 13D/13G, and House/Senate STOCK Act disclosures. Not financial advice. Full disclaimer