OTTROtter Tail Corporation

$87.48+6.0% 1Y

Who owns OTTR

358 institutions reported holding OTTR for 2026Q2, together 70% of the company, more than the 342 a quarter earlier.

358

Institutions reporting a position · as of 2026Q2 · up from 342 the quarter before

Shares held by institutions
29.4M

Shares held by institutions · 70% of the company · long US equity positions only, as reported on Form 13F

Reported value
$2.65B

Reported value · at Jun 30, 2026 prices, not today's

Top 5 holders
37%

Top 5 holders · of the whole company, between five filers

Details›
Reporting quarter2026-06-30
2026Q2
Quarters on record
53
New positions
47
Positions exited
32
Added to
124
Reduced
87
Top 10 holdersof the company
46%
Shares sold shortsettled Sep 15, 2026
4.8M
Short interestof shares outstanding
11%
Days to coverat the average daily volume
23.0
Change in the short positionsince the Aug 31, 2026 count
−0.31%
Institutional ownership by quarter, 2013Q2 to 2026Q2
QuarterFilersSharesReported value
2026Q235829.4M$2.65B
2026Q134229.2M$2.56B
2025Q434828.3M$2.29B
2025Q334128.2M$2.31B
2025Q234127.5M$2.13B
2025Q133227.4M$2.21B
2024Q432227.5M$2.03B
2024Q332426.3M$2.05B
2024Q231224.7M$2.16B
2024Q130024.6M$2.12B
2023Q429325.4M$2.16B
2023Q327324.9M$1.89B
2023Q225725.2M$1.99B
2023Q125225.6M$1.83B
2022Q424820.3M$1.19B
2022Q326420.4M$1.26B
Largest reported holders, 2026Q2
HolderShares% of companyValue
BlackRock Inc.6.6M16%$590M
VANGUARD GROUP INC5.2M12%$471M
STATE STREET CORP1.6M3.9%$148M
LSV ASSET MANAGEMENT1.2M2.8%$107M
GEODE CAPITAL MANAGEMENT LLC1.1M2.6%$100M
MORGAN STANLEY0.9M2.1%$80M
DIMENSIONAL FUND ADVISORS LP0.8M2.0%$75M
TWO SIGMA INVESTMENTS, LP0.7M1.7%$65M
FIRST TRUST ADVISORS LP0.6M1.5%$57M
Caisse de depot et placement du Quebec0.5M1.3%$49M
Short interest by settlement date, Aug 29, 2025 to Sep 15, 2026
SettlementShares shortOf shares outstandingDays to cover
Sep 15, 20264.8M11%23.0
Aug 31, 20264.8M11%26.6
Aug 14, 20264.9M12%17.3
Jul 31, 20265.1M12%22.9
Jul 15, 20265.3M13%24.4
Jun 30, 20265.3M13%15.0
Jun 15, 20265.1M12%21.4
May 29, 20265.4M13%25.2
May 15, 20265.6M13%19.6
Apr 30, 20265.6M13%18.7
Apr 15, 20265.4M13%23.2
Mar 31, 20265.6M13%17.1

SEC Form 13F data sets (DERA bulk files). 13F is quarterly, filed up to 45 days late, and covers long US equity positions only, no shorts, no derivatives, nothing held below the reporting threshold. The short position is FINRA's consolidated count for each twice-monthly settlement date, as a share of shares outstanding.

opening the register…
On our screens:Most shorted stocks