Vault-13

OTTER TAIL CORP OTTR

COM · Common Stock · CUSIP 689648103 · ISIN US6896481032

Energy company based in Fergus Falls, Minnesota

250 institutional holders -17 vs Q3 2022
20,302,76420.3m shares reported held*
48.8% of all shares outstanding*
$1.2bnreported value*
27 new 82 added 85 reduced 49 sold out net sold ≈ $10.3m (-175.7k shares)

* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($1.2m this quarter). Holder counts are more reliable. Shares outstanding: 41.6m as of 2023-01-31, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $58.71. Options: 6 managers hold calls ($2.1m notional), 5 hold puts ($10.3m).

Trends to Q4 2022

Institutional holders

Managers reporting a position, each quarter

0100200300Q3 22: 267Q4 22: 250250Q3 22Q4 22
Numbers
QuarterHolders
Q3 2022267
Q4 2022250

Calls vs puts

Options held, notional value, last 4 quarters. P/C = puts ÷ calls

CallsPuts
$0$5m$10m$15mQ3 22 calls: $2.0mQ3 22 puts: $6.3mQ3 22P/C 3.19Q4 22 calls: $2.1mQ4 22 puts: $10.3mQ4 22P/C 4.88
Numbers
QuarterCallsPutsP/C
Q3 2022$2.0m$6.3m3.19
Q4 2022$2.1m$10.3m4.88

Biggest buyers

FIRST TRUST ADVISORS LP Added +280,119+280.1k
VANGUARD GROUP INC Added +229,661+229.7k
BlackRock Inc. Added +202,860+202.9k
MARSHALL WACE, LLP Added +100,374+100.4k
Brandywine Global Investment Management, LLC New +66,331+66.3k
LSV ASSET MANAGEMENT Added +63,416+63.4k
First Washington CORP Added +53,834+53.8k
Vident Investment Advisory, LLC New +38,893+38.9k
DENALI ADVISORS LLC New +35,826+35.8k
Assenagon Asset Management S.A. New +34,902+34.9k

Biggest sellers

MILLENNIUM MANAGEMENT LLC Reduced -251,432-251.4k
FULLER & THALER ASSET MANAGEMENT, INC. Reduced -178,885-178.9k
VICTORY CAPITAL MANAGEMENT INC Reduced -104,035-104.0k
RENAISSANCE TECHNOLOGIES LLC Reduced -94,010-94.0k
GOLDMAN SACHS GROUP INC Reduced -82,956-83.0k
LORD, ABBETT & CO. LLC Sold out -80,231-80.2k
LAZARD ASSET MANAGEMENT LLC Reduced -77,582-77.6k
ACADIAN ASSET MANAGEMENT LLC Reduced -69,572-69.6k
Qube Research & Technologies Ltd Reduced -60,153-60.2k
Clark Capital Management Group, Inc. Sold out -47,948-47.9k

Biggest calls

PEAK6 Investments LLC Reduced $827.8k14.1k shares
CITADEL ADVISORS LLC Reduced $634.1k10.8k shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP Added $628.2k10.7k shares
SIMPLEX TRADING, LLC Added $17.0k300 shares
GROUP ONE TRADING LLC New $5.9k100 shares
CONCOURSE FINANCIAL GROUP SECURITIES, INC. Unchanged $00 shares

Biggest puts

CITIGROUP INC Added $9.6m164.2k shares
CITADEL ADVISORS LLC New $399.2k6.8k shares
PEAK6 Investments LLC Added $240.7k4.1k shares
SIMPLEX TRADING, LLC Reduced $23.0k400 shares
CONCOURSE FINANCIAL GROUP SECURITIES, INC. Unchanged $00 shares

Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.

Major shareholders (over 5%)

Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.

HolderStakeChangeShares Last filed
VANGUARD PORTFOLIO MANAGEMENT LLC 13G · institution new · filed 2026-04-29 7.1% new 3.0m≈ $266.6m 2026-04-29
VANGUARD CAPITAL MANAGEMENT LLC 13G · institution new · filed 2026-04-30 5.2% new 2.2m≈ $196.0m 2026-04-30
STATE STREET CORP 13G · institution new · filed 2026-08-07 5.1% new 2.1m≈ $193.3m 2026-08-07

Fell to 5% or below in the last year: VANGUARD GROUP INC (0.0%, 2026-03-27; now reported by VANGUARD PORTFOLIO MANAGEMENT LLC)

Insider purchases and sales in Q4 2022

Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.

Officers and directors buying vs selling

Number of people, by quarter (10% owners not included)

BuyingSelling
202Q1 21: 0 buyingQ1 21: 0 sellingQ2 21: 0 buyingQ2 21: 0 sellingQ2 21Q3 21: 0 buyingQ3 21: 0 sellingQ4 21: 0 buyingQ4 21: 2 sellingQ4 21Q1 22: 0 buyingQ1 22: 0 sellingQ2 22: 0 buyingQ2 22: 0 sellingQ2 22Q3 22: 0 buyingQ3 22: 0 sellingQ4 22: 0 buyingQ4 22: 1 sellingQ4 22
Numbers
QuarterBuyingBoughtSellingSoldSold under a plan
Q1 20210—0——
Q2 20210—0——
Q3 20210—0——
Q4 20210—2$734.4k—
Q1 20220—0——
Q2 20220—0——
Q3 20220—0——
Q4 20220—1$112.6k—
DateInsiderTradeSharesPrice ValueTheir holding
2022-11-21 ERICKSON JOHN D Director · By Foundation Sold 2,000 $56.31 $112.6k2.0k shares -100%

Their holding: how much the trade added to or took from the insider's holding (direct, or the trust or fund named). The same trade is sometimes reported by more than one insider, such as a fund and the director who represents it; totals count it once. A value is left blank where the reported price is far from the market price (usually a typo).

Holders, Q4 2022

#ManagerLocationShares Value% of their portfolioChangeShares change
1 VANGUARD GROUP INC 0.01% of their portfolio Valley Forge, PA 4,908,6464.9m $288.2m $288.2m 0.01% Added +229.7k +229,661
2 BlackRock Inc. 0.01% of their portfolio New York, NY 3,134,2263.1m $184.0m $184.0m 0.01% Added +202.9k +202,860
3 FIRST TRUST ADVISORS LP 0.09% of their portfolio Wheaton, IL 1,285,5551.3m $75.5m $75.5m 0.09% Added +280.1k +280,119
4 DIMENSIONAL FUND ADVISORS LP 0.02% of their portfolio AUSTIN, TX 1,038,0341.0m $60.9m $60.9m 0.02% Added +2.2k +2,170
5 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 871,656871.7k $51.2m $51.2m 0.00% Reduced -2.3k -2,325
6 GEODE CAPITAL MANAGEMENT, LLC 0.01% of their portfolio BOSTON, MA 787,689787.7k $46.2m $46.2m 0.01% Added +27.5k +27,480
7 GABELLI FUNDS LLC 0.33% of their portfolio Rye, NY 731,000731.0k $42.9m $42.9m 0.33% Added +5.5k +5,500
8 NORTHERN TRUST CORP 0.01% of their portfolio CHICAGO, IL 600,060600.1k $35.2m $35.2m 0.01% Added +4.1k +4,085
9 Nuveen Asset Management, LLC 0.01% of their portfolio CHICAGO, IL 510,157510.2k $30.0m $30.0m 0.01% Reduced -18.0k -17,982
10 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.01% of their portfolio SAN FRANCISCO, CA 493,096493.1k $28.9m $28.9m 0.01% Added +13.9k +13,934
11 Bank of New York Mellon Corp 0.01% of their portfolio NEW YORK, NY 419,154419.2k $24.6m $24.6m 0.01% Reduced -8.4k -8,445
12 GAMCO INVESTORS, INC. ET AL 0.22% of their portfolio GREENWICH, CT 340,750340.8k $20.0m $20.0m 0.22% Added +6.3k +6,300
13 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 243,282243.3k $14.3m $14.3m 0.00% Reduced -43.0k -42,999
14 FEDERATED HERMES, INC. 0.04% of their portfolio PITTSBURGH, PA 241,939241.9k $14.2m $14.2m 0.04% Added +2.9k +2,901
15 LSV ASSET MANAGEMENT 0.03% of their portfolio CHICAGO, IL 207,016207.0k $12.2m $12.2m 0.03% Added +63.4k +63,416
16 MILLENNIUM MANAGEMENT LLC 0.01% of their portfolio NEW YORK, NY 197,959198.0k $11.6m $11.6m 0.01% Reduced -251.4k -251,432
17 FULLER & THALER ASSET MANAGEMENT, INC. 0.06% of their portfolio SAN MATEO, CA 166,806166.8k $9.8m $9.8m 0.06% Reduced -178.9k -178,885
18 HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC 0.04% of their portfolio Los Angeles, CA 163,910163.9k $9.6m $9.6m 0.04% Added +31.4k +31,390
19 MARSHALL WACE, LLP 0.02% of their portfolio LONDON, X0 138,123138.1k $8.1m $8.1m 0.02% Added +100.4k +100,374
20 RENAISSANCE TECHNOLOGIES LLC 0.01% of their portfolio NEW YORK, NY 135,304135.3k $7.9m $7.9m 0.01% Reduced -94.0k -94,010
21 ACADIAN ASSET MANAGEMENT LLC 0.04% of their portfolio Boston, MA 124,013124.0k $7.3m $7.3m 0.04% Reduced -69.6k -69,572
22 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 112,741112.7k $6.6m $6.6m 0.00% Added +2.7k +2,701
23 Phocas Financial Corp. 0.94% of their portfolio ALAMEDA, CA 111,122111.1k $6.5m $6.5m 0.94% Reduced -154 -154
24 Swiss National Bank 0.00% of their portfolio ZURICH, V8 90,40090.4k $5.3m $5.3m 0.00% Added +1.6k +1,600
25 First Washington CORP 2.59% of their portfolio SEATTLE, WA 90,21090.2k $5.3m $5.3m 2.59% Added +53.8k +53,834
26 PRUDENTIAL FINANCIAL INC 0.01% of their portfolio NEWARK, NJ 87,94187.9k $5.2m $5.2m 0.01% Reduced -18.3k -18,255
27 Invesco Ltd. 0.00% of their portfolio ATLANTA, GA 76,22576.2k $4.5m $4.5m 0.00% Reduced -23.1k -23,141
28 NEW YORK STATE COMMON RETIREMENT FUND 0.01% of their portfolio ALBANY, NY 76,18776.2k $4.5m $4.5m 0.01% Added +14.9k +14,918
29 GOLDMAN SACHS GROUP INC 0.00% of their portfolio NEW YORK, NY 74,06374.1k $4.3m $4.3m 0.00% Reduced -83.0k -82,956
30 Hillsdale Investment Management Inc. 0.35% of their portfolio Toronto, A6 70,10070.1k $4.1m $4.1m 0.35% Reduced -12.5k -12,500
31 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 68,61768.6k $4.0m $4.0m 0.00% Added +6.6k +6,621
32 Brandywine Global Investment Management, LLC 0.03% of their portfolio PHILADELPHIA, PA 66,33166.3k $3.9m $3.9m 0.03% New
33 WHITTIER TRUST CO 0.07% of their portfolio SOUTH PASADENA, CA 64,96365.0k $3.8m $3.8m 0.07% Reduced -241 -241
34 RHUMBLINE ADVISERS 0.01% of their portfolio BOSTON, MA 63,52663.5k $3.7m $3.7m 0.01% Added +4.5k +4,528
35 FIRST MANHATTAN CO. LLC. 0.01% of their portfolio NEW YORK, NY 62,81862.8k $3.7m $3.7m 0.01% Reduced -1.2k -1,165
36 Cubist Systematic Strategies, LLC 0.03% of their portfolio STAMFORD, CT 59,82959.8k $3.5m $3.5m 0.03% Reduced -23.4k -23,392
37 MARTINGALE ASSET MANAGEMENT L P 0.07% of their portfolio BOSTON, MA 58,51658.5k $3.4m $3.4m 0.07% Added +3.1k +3,107
38 VICTORY CAPITAL MANAGEMENT INC 0.00% of their portfolio San Antonio, TX 50,45450.5k $3.0m $3.0m 0.00% Reduced -104.0k -104,035
39 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio WEST SACRAMENTO, CA 49,02549.0k $2.9m $2.9m 0.00% Added +540 +540
40 Qube Research & Technologies Ltd 0.02% of their portfolio LONDON, X0 48,61848.6k $2.9m $2.9m 0.02% Reduced -60.2k -60,153
41 ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio NASHVILLE, TN 46,39346.4k $2.7m $2.7m 0.00% Reduced -162 -162
42 UBS Group AG 0.00% of their portfolio ZURICH, V8 45,58945.6k $2.7m $2.7m 0.00% Added +10.3k +10,303
43 MACKENZIE FINANCIAL CORP 0.00% of their portfolio TORONTO ONTARIO, A6 44,86444.9k $2.6m $2.6m 0.00% Added +1.7k +1,709
44 North Star Investment Management Corp. 0.23% of their portfolio CHICAGO, IL 44,35044.4k $2.6m $2.6m 0.23% Added +138 +138
45 HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND 0.01% of their portfolio TORONTO, A6 44,01444.0k $2.6m $2.6m 0.01% Added +30.9k +30,858
46 FMR LLC 0.00% of their portfolio BOSTON, MA 42,99343.0k $2.5m $2.5m 0.00% Reduced -4.6k -4,573
47 AQR CAPITAL MANAGEMENT LLC 0.01% of their portfolio Greenwich, CT 42,51142.5k $2.5m $2.5m 0.01% Reduced -1.7k -1,683
48 STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM 0.01% of their portfolio TALLAHASSEE, FL 41,19941.2k $2.4m $2.4m 0.01% Reduced -4.7k -4,707
49 State of New Jersey Common Pension Fund D 0.01% of their portfolio TRENTON, NJ 40,30640.3k $2.4m $2.4m 0.01% Added +9.3k +9,316
50 VIRGINIA RETIREMENT SYSTEMS ET Al 0.02% of their portfolio RICHMOND, VA 40,30040.3k $2.4m $2.4m 0.02% Added +3.3k +3,300
51 Aptus Capital Advisors, LLC 0.08% of their portfolio FAIRHOPE, AL 39,95440.0k $2.3m $2.3m 0.08% Added +4.0k +4,018
52 US BANCORP \DE\ 0.00% of their portfolio MINNEAPOLIS, MN 39,53239.5k $2.3m $2.3m 0.00% Reduced -407 -407
53 SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio BALA CYNWYD, PA 39,23639.2k $2.3m $2.3m 0.00% Added +16.1k +16,084
54 Vident Investment Advisory, LLC 0.09% of their portfolio Alpharetta, GA 38,89338.9k $2.3m $2.3m 0.09% New
55 DEUTSCHE BANK AG\ 0.00% of their portfolio FRANKFURT AM MAIN, 2M 37,83737.8k $2.2m $2.2m 0.00% Added +7.7k +7,676
56 DENALI ADVISORS LLC 0.88% of their portfolio SAN DIEGO, CA 35,82635.8k $2.1m $2.1m 0.88% New
57 AMERIPRISE FINANCIAL INC 0.00% of their portfolio MINNEAPOLIS, MN 35,66235.7k $2.1m $2.1m 0.00% Reduced -739 -739
58 Assenagon Asset Management S.A. 0.01% of their portfolio SENNINGERBERG, N4 34,90234.9k $2.0m $2.0m 0.01% New
59 Legal & General Group Plc 0.00% of their portfolio London, X0 33,98634.0k $2.0m $2.0m 0.00% Reduced -1.5k -1,454
60 LPL Financial LLC 0.00% of their portfolio FORT MILL, SC 33,03233.0k $1.9m $1.9m 0.00% Added +448 +448
61 WHITTIER TRUST CO OF NEVADA INC 0.08% of their portfolio RENO, NV 32,64132.6k $1.9m $1.9m 0.08% Reduced -1.6k -1,638
62 Squarepoint Ops LLC 0.01% of their portfolio NEW YORK, NY 31,95132.0k $1.9m $1.9m 0.01% Added +15.1k +15,064
63 WELLS FARGO & COMPANY/MN 0.00% of their portfolio SAN FRANCISCO, CA 30,20830.2k $1.8m $1.8m 0.00% Reduced -19.6k -19,649
64 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% of their portfolio NEW YORK, NY 29,88029.9k $1.8m $1.8m 0.00% Reduced -1.3k -1,321
65 ROYAL BANK OF CANADA 0.00% of their portfolio TORONTO, A6 29,33029.3k $1.7m $1.7m 0.00% Added +4.6k +4,577
66 Kestra Advisory Services, LLC 0.01% of their portfolio AUSTIN, TX 27,46727.5k $1.6m $1.6m 0.01% Added +7.8k +7,847
67 CREDIT SUISSE AG/ 0.00% of their portfolio ZURICH, V8 27,05727.1k $1.6m $1.6m 0.00% Added +1.3k +1,335
68 AMERICAN CENTURY COMPANIES INC 0.00% of their portfolio KANSAS CITY, MO 26,83026.8k $1.6m $1.6m 0.00% Added +24 +24
69 TUDOR INVESTMENT CORP ET AL 0.04% of their portfolio STAMFORD, CT 26,25826.3k $1.5m $1.5m 0.04% Added +14.3k +14,266
70 OSAIC HOLDINGS, INC. 0.00% of their portfolio SCOTTSDALE, AZ 26,07826.1k $1.5m $1.5m 0.00% Reduced -217 -217
71 PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio BALTIMORE, MD 24,35924.4k $1.4m $1.4m 0.00% Added +1.0k +1,027
72 Gotham Asset Management, LLC 0.04% of their portfolio NEW YORK, NY 23,97924.0k $1.4m $1.4m 0.04% Reduced -201 -201
73 ExodusPoint Capital Management, LP 0.02% of their portfolio NEW YORK, NY 23,51623.5k $1.4m $1.4m 0.02% Reduced -21.8k -21,793
74 CWM, LLC 0.01% of their portfolio OMAHA, NE 23,07323.1k $1.4m $1.4m 0.01% Added +59 +59
75 CITADEL ADVISORS LLC 0.00% of their portfolio MIAMI, FL 22,47822.5k $1.3m $1.3m 0.00% Added +3.5k +3,477
76 Raymond James Financial Services Advisors, Inc. 0.00% of their portfolio ST. PETERSBURG, FL 22,31722.3k $1.3m $1.3m 0.00% Reduced -1.5k -1,496
77 Gateway Wealth Partners, LLC 0.22% of their portfolio APPLETON, WI 22,21122.2k $1.3m $1.3m 0.22% First filing
78 MetLife Investment Management, LLC 0.01% of their portfolio Whippany, NJ 21,68921.7k $1.3m $1.3m 0.01% Unchanged
79 Allspring Global Investments Holdings, LLC 0.00% of their portfolio CHARLOTTE, NC 21,07921.1k $1.2m $1.2m 0.00% Reduced -14 -14
80 BRIDGEWAY CAPITAL MANAGEMENT, LLC 0.03% of their portfolio HOUSTON, TX 20,80020.8k $1.2m $1.2m 0.03% Unchanged
81 AMERICAN INTERNATIONAL GROUP, INC. 0.01% of their portfolio New York, NY 19,45919.5k $1.1m $1.1m 0.01% Reduced -71 -71
82 LOS ANGELES CAPITAL MANAGEMENT LLC 0.01% of their portfolio LOS ANGELES, CA 19,15519.2k $1.1m $1.1m 0.01% Reduced -14.0k -13,962
83 RAYMOND JAMES & ASSOCIATES 0.00% of their portfolio ST PETERSBURG, FL 18,45918.5k $1.1m $1.1m 0.00% Added +550 +550
84 Mirae Asset Global Investments Co., Ltd. 0.00% of their portfolio SEOUL, M5 17,64517.6k $1.0m $1.0m 0.00% Added +201 +201
85 SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC 0.02% of their portfolio BALA CYNWYD, PA 17,61217.6k $1.0m $1.0m 0.02% Added +11.1k +11,128
86 TRUIST FINANCIAL CORP 0.00% of their portfolio CHARLOTTE, NC 17,27617.3k $1.0m $1.0m 0.00% Added +10.3k +10,314
87 BENJAMIN EDWARDS INC 0.25% of their portfolio Clayton, MO 16,44616.4k $966.0k $966.0k 0.25% Added +356 +356
88 MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.00% of their portfolio Toronto, A6 16,39916.4k $962.8k $962.8k 0.00% Added +163 +163
89 VOYA INVESTMENT MANAGEMENT LLC 0.00% of their portfolio ATLANTA, GA 16,29916.3k $956.9k $956.9k 0.00% Unchanged
90 PNC Financial Services Group, Inc. 0.00% of their portfolio Pittsburgh, PA 15,54715.5k $912.8k $912.8k 0.00% Added +1.1k +1,142
91 BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio PARIS, I0 15,52315.5k $911.4k $911.4k 0.00% Reduced -5.5k -5,511
92 ICA Group Wealth Management, LLC 0.21% of their portfolio DENVER, CO 15,32415.3k $899.7k $899.7k 0.21% Reduced -17.0k -17,031
93 ENVESTNET ASSET MANAGEMENT INC 0.00% of their portfolio Berwyn, PA 15,07415.1k $885.0k $885.0k 0.00% Reduced -3.9k -3,850
94 SG Americas Securities, LLC 0.01% of their portfolio NEW YORK, NY 14,91414.9k $876.0k $876.0k 0.01% Added +7.3k +7,306
95 Schonfeld Strategic Advisors LLC 0.01% of their portfolio NEW YORK, NY 14,40014.4k $845.4k $845.4k 0.01% New
96 Dynamic Technology Lab Private Ltd 0.08% of their portfolio SINGAPORE, U0 13,98014.0k $821.0k $821.0k 0.08% Reduced -13.0k -12,996
97 Trexquant Investment LP 0.02% of their portfolio STAMFORD, CT 12,65512.7k $743.0k $743.0k 0.02% Reduced -4.1k -4,063
98 COMMONWEALTH EQUITY SERVICES, LLC 0.00% of their portfolio WALTHAM, MA 12,38912.4k $727.0k $727.0k 0.00% Reduced -471 -471
99 NJ State Employees Deferred Compensation Plan 0.11% of their portfolio TRENTON, NJ 12,00012.0k $704.5k $704.5k 0.11% Unchanged
100 Man Group plc 0.00% of their portfolio LONDON, X0 11,85011.8k $695.7k $695.7k 0.00% New