Stocks › OTTR
Otter Tail Corp
OTTR·Nasdaq·
United States·USD
United States·USD$89.20
+0.78 (+0.88%)
Close · Oct 6, 2026 · Close Prices from Tiingo.com
OTTR
Otter Tail Corp · Nasdaq
Nasdaq 100S&P 500
Filings
Default90D1Y5YALL
OTTRS&P 500 (rebased)
Congress BuyCongress SellInsider BuyInsider SellForm 1448-K ResultsLobbying
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Daily closes, adjusted for splits and dividends · Close Prices from Tiingo.comHover a marker, every one is a filing · move across the line for the crosshair
Congressional Trades
Recent trades of OTTR by members of U.S. Congress · 1 on record
| Politician | Stock | Type | Filed | Traded | |
|---|---|---|---|---|---|
 Nick J. RahallHouse · D · WV |
OTTROtter Tail Corp · Stock |
Sale $1,001 - $15,000 |
Feb 14, 2014 | Jan 23, 2014 | Filing ↗ |
Whale Activity
Position changes in OTTR reported for 2026-06-30 by 10 tracked institutional filers
- Increased6
- New0
- Held0
- Decreased3
- Closed0
- No prior filing1
| Filer | Shares | Value | Change |
|---|---|---|---|
| BlackRock, Inc. | 6.6M | $590.1M | increased |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 3.0M | $269.6M | increased |
| VANGUARD CAPITAL MANAGEMENT LLC | 1.9M | $170.2M | increased |
| TWO SIGMA INVESTMENTS, LP | 725.8K | $65.3M | increased |
| D. E. Shaw & Co., Inc. | 447.0K | $40.2M | increased |
| MILLENNIUM MANAGEMENT LLC | 71.1K | $6.4M | decreased |
| CITADEL ADVISORS LLC | 36.1K | $3.2M | decreased |
| RENAISSANCE TECHNOLOGIES LLC | 23.3K | $2.1M | increased |
| Bridgewater Associates, LP | 8,549 | $769K | decreased |
| Alternative Investment Advisors, LLC. | 4,799 | $432K | — |
KeyVex tracks a curated set of large 13F filers plus the largest positions in recent filings, so this is a sample of institutional activity, not the whole market.
Insider Trading
Net shares bought (+) or sold (−) on the open market by OTTR insiders, by quarter · Form 4
Recent Insider Transactions
1,279 transactions on record · newest first
| Insider | Type | Shares | Price | Value | Date | |
|---|---|---|---|---|---|---|
| KNUTSON PAUL LVP, Human Resources | Sale | −475 | $94.63 | $45K | Aug 11, 2026 | Form 4 ↗ |
| KNUTSON PAUL LVP, Human Resources | Sale | −250 | $92.84 | $23K | Aug 10, 2026 | Form 4 ↗ |
| KNUTSON PAUL LVP, Human Resources | Sale | −3,500 | $93.11 | $326K | Aug 7, 2026 | Form 4 ↗ |
| Ludford Mary EDirector | Grant / award | +1,500 | — | — | Apr 13, 2026 | Form 4 ↗ |
| Crain Jeanne HDirector | Grant / award | +1,500 | — | — | Apr 13, 2026 | Form 4 ↗ |
| LeBeau Michael EDirector | Grant / award | +1,500 | — | — | Apr 13, 2026 | Form 4 ↗ |
| Clark Christopher BDirector | Grant / award | +1,900 | — | — | Apr 13, 2026 | Form 4 ↗ |
| Johnson Kathryn ODirector | Grant / award | +1,500 | — | — | Apr 13, 2026 | Form 4 ↗ |
| Rasche Steven PDirector | Grant / award | +1,900 | — | — | Apr 13, 2026 | Form 4 ↗ |
| ERICKSON JOHN DDirector | Grant / award | +1,500 | — | — | Apr 13, 2026 | Form 4 ↗ |
| PARTAIN NATHAN IDirector | Grant / award | +2,000 | — | — | Apr 13, 2026 | Form 4 ↗ |
| WEBB THOMAS JDirector | Grant / award | +1,500 | — | — | Apr 13, 2026 | Form 4 ↗ |
| Wahlund Todd RChief Financial Officer | Tax withholding | −186 | $90.11 | $17K | Apr 8, 2026 | Form 4 ↗ |
| Wahlund Todd RChief Financial Officer | Option exercise | +460 | $90.11 | $41K | Apr 8, 2026 | Form 4 ↗ |
| Smestad Jennifer O.VP, General Council & Corp Sec | Tax withholding | −3,031 | $86.43 | $262K | Feb 11, 2026 | Form 4 ↗ |
| Smestad Jennifer O.VP, General Council & Corp Sec | Grant / award | +6,000 | $86.43 | $519K | Feb 11, 2026 | Form 4 ↗ |
| Abbott John SSr VP, Manufacturing Platform | Tax withholding | −4,209 | $86.43 | $364K | Feb 11, 2026 | Form 4 ↗ |
| Abbott John SSr VP, Manufacturing Platform | Grant / award | +8,400 | $86.43 | $726K | Feb 11, 2026 | Form 4 ↗ |
| ROGELSTAD TIMOTHY JSr VP, Electric Platform | Tax withholding | −4,212 | $86.43 | $364K | Feb 11, 2026 | Form 4 ↗ |
| ROGELSTAD TIMOTHY JSr VP, Electric Platform | Grant / award | +8,400 | $86.43 | $726K | Feb 11, 2026 | Form 4 ↗ |
Fund Holders
Mutual funds and ETFs holding OTTR · SEC Form N-PORT
| Fund | Shares | Value | % of fund | As of |
|---|---|---|---|---|
| iShares Core S&P Small-Cap ETF iShares Trust | 2.5M | $227.6M | 0.20% | Jun 30, 2026 |
| VANGUARD TOTAL STOCK MARKET INDEX FUND VANGUARD INDEX FUNDS | 1.3M | $120.3M | 0.01% | Jun 30, 2026 |
| iShares Russell 2000 ETF iShares Trust | 1.0M | $90.3M | 0.11% | Jun 30, 2026 |
| VANGUARD SMALL-CAP INDEX FUND VANGUARD INDEX FUNDS | 963.7K | $86.7M | 0.05% | Jun 30, 2026 |
| VANGUARD SMALL-CAP VALUE INDEX FUND VANGUARD INDEX FUNDS | 609.9K | $54.9M | 0.08% | Jun 30, 2026 |
| First Trust SMID Cap Rising Dividend Achievers ETF First Trust Exchange-Traded Fund VI | 540.4K | $48.6M | 0.43% | Jun 30, 2026 |
| VANGUARD EXTENDED MARKET INDEX FUND VANGUARD INDEX FUNDS | 481.3K | $43.3M | 0.04% | Jun 30, 2026 |
| Fidelity Small Cap Index Fund Fidelity Salem Street Trust | 427.9K | $37.8M | 0.11% | Jul 31, 2026 |
| The Gabelli Utilities Fund Gabelli Utilities Fund | 386.6K | $34.8M | 1.97% | Jun 30, 2026 |
| State Street(R) SPDR(R) Portfolio S&P 600(TM) Small Cap ETF SPDR SERIES TRUST | 383.7K | $34.5M | 0.20% | Jun 30, 2026 |
Mutual funds and ETFs whose N-PORT filings list OTTR's shares (CUSIP 689648103), each fund at its latest report since Mar 7, 2026, largest positions first. Bonds, options and short positions are left out.
Activist & Passive Stakes
Schedule 13D / 13G beneficial-ownership filings
- STATE STREET CORPORATIONSCHEDULE 13G · passive (13G) · 2.1M shares5.1%
Aug 7, 2026 · ↗
Corporate Lobbying
Estimated quarterly lobbying spending reported under the LDA, filings naming otter tail as client
Government Contracts
Federal awards to otter tail · USAspending
$169KAwarded · 2 contracts on record
U.S. Patents
Recent USPTO applications naming Otter Tail Corp
No USPTO patent applications found for Otter Tail Corp.
Annual Financials
From OTTR's 10-K filings · XBRL
No annual XBRL figures on record for OTTR. KeyVex's fundamentals cover about 130 large companies so far.
Stock Splits
Every split and reverse split in the price history
No stock splits in OTTR's price history.
Material Events (8-K)
Corporate events filed with the SEC
- 8-K · Items 5.02Officer / director changeSep 1, 2026
EDGAR ↗ - 8-K · Items 2.02, 9.01Results of operationsAug 4, 2026
EDGAR ↗ - 8-K · Items 1.01Material agreementJun 18, 2026
EDGAR ↗ - 8-K · Items 2.03Direct financial obligationJun 5, 2026
EDGAR ↗ - 8-K · Items 1.01Material agreementMay 29, 2026
EDGAR ↗ - 8-K · Items 8.01Other eventsMay 15, 2026
EDGAR ↗ - 8-K · Items 2.02, 9.01Results of operationsMay 5, 2026
EDGAR ↗ - 8-K · Items 8.01Other eventsDec 31, 2024
EDGAR ↗
About Otter Tail Corp
From SEC EDGAR company records
Industry (SIC 4911)Electric Services
SectorUtilities
HeadquartersFERGUS FALLS, MN
IncorporatedMN
SEC CIK0001466593 ↗