Vault-13

WATERSTONE FINL INC MD WSBF

COM · Common Stock · CUSIP 94188P101

97 institutional holders +1 vs Q1 2025
9,235,9499.2m shares reported held*
49.4% of all shares outstanding*
$127.6mreported value*
13 new 42 added 22 reduced 11 sold out net sold ≈ $2.5m (-181.7k 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 ($1.3m this quarter). Holder counts are more reliable. Shares outstanding: 18.7m as of 2025-07-31, 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 ≈ $13.81. Options: 1 managers hold calls ($0 notional), 1 hold puts ($0).

Trends to Q2 2025

Institutional holders

Managers reporting a position, each quarter

050100150Q3 22: 100Q4 22: 106Q1 23: 102Q2 23: 94Q3 23: 93Q4 23: 89Q1 24: 87Q2 24: 83Q3 24: 89Q4 24: 93Q1 25: 96Q2 25: 9797Q3 22Q2 23Q1 24Q4 24Q2 25
Numbers
QuarterHolders
Q3 2022100
Q4 2022106
Q1 2023102
Q2 202394
Q3 202393
Q4 202389
Q1 202487
Q2 202483
Q3 202489
Q4 202493
Q1 202596
Q2 202597

Buyers vs sellers

Managers adding to or starting a position, vs cutting or selling out

Bought or addedCut or sold out
1000100Q3 23: 39 bought or addedQ3 23: 43 cut or sold outQ4 23: 46 bought or addedQ4 23: 46 cut or sold outQ4 23Q1 24: 31 bought or addedQ1 24: 50 cut or sold outQ2 24: 32 bought or addedQ2 24: 45 cut or sold outQ2 24Q3 24: 40 bought or addedQ3 24: 28 cut or sold outQ4 24: 36 bought or addedQ4 24: 42 cut or sold outQ4 24Q1 25: 40 bought or addedQ1 25: 42 cut or sold outQ2 25: 55 bought or addedQ2 25: 33 cut or sold outQ2 25
Numbers
QuarterBought or addedCut or sold out
Q3 20233943
Q4 20234646
Q1 20243150
Q2 20243245
Q3 20244028
Q4 20243642
Q1 20254042
Q2 20255533

Biggest buyers

CSM Advisors, LLC New +197,250+197.2k
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP Added +44,618+44.6k
TWO SIGMA INVESTMENTS, LP Added +43,615+43.6k
Fourthstone LLC Added +40,357+40.4k
HSBC HOLDINGS PLC Added +39,978+40.0k
AQR CAPITAL MANAGEMENT LLC Added +35,786+35.8k
TWO SIGMA ADVISERS, LP Added +25,500+25.5k
Squarepoint Ops LLC New +20,108+20.1k
BARCLAYS PLC Added +19,377+19.4k
CITADEL ADVISORS LLC Added +19,121+19.1k

Biggest sellers

Rhino Investment Partners, Inc Sold out -555,513-555.5k
BlackRock, Inc. Reduced -71,178-71.2k
DIMENSIONAL FUND ADVISORS LP Reduced -47,215-47.2k
JOHN G ULLMAN & ASSOCIATES INC Reduced -41,611-41.6k
RENAISSANCE TECHNOLOGIES LLC Reduced -21,100-21.1k
Hillsdale Investment Management Inc. Sold out -20,300-20.3k
Nuveen, LLC Reduced -19,189-19.2k
Trexquant Investment LP Sold out -16,236-16.2k
Universal- Beteiligungs- und Servicegesellschaft mbH Sold out -14,750-14.8k
STATE STREET CORP Reduced -14,027-14.0k

Biggest calls

Biggest puts

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
BlackRock, Inc. 13G · institution filed 2026-01-21 7.1% 1.3m≈ $27.1m 2026-01-21

Insider purchases and sales in Q2 2025

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
404Q3 23: 0 buyingQ3 23: 0 sellingQ4 23: 1 buyingQ4 23: 0 sellingQ4 23Q1 24: 0 buyingQ1 24: 0 sellingQ2 24: 0 buyingQ2 24: 0 sellingQ2 24Q3 24: 0 buyingQ3 24: 2 sellingQ4 24: 0 buyingQ4 24: 2 sellingQ4 24Q1 25: 0 buyingQ1 25: 4 sellingQ2 25: 0 buyingQ2 25: 0 sellingQ2 25
Numbers
QuarterBuyingBoughtSellingSoldSold under a plan
Q3 20230—0——
Q4 20231$6.3k0——
Q1 20240—0——
Q2 20240—0——
Q3 20240—2$562.2k—
Q4 20240—2$1.3m—
Q1 20250—4$2.2m—
Q2 20250—0——

None reported in Q2 2025.

Holders, Q2 2025

#ManagerLocationShares Value% of their portfolioChangeShares change
1 BlackRock, Inc. 0.00% of their portfolio New York, NY 1,717,2801.7m $23.7m $23.7m 0.00% Reduced -71.2k -71,178
2 DIMENSIONAL FUND ADVISORS LP 0.00% of their portfolio AUSTIN, TX 1,434,5471.4m $19.8m $19.8m 0.00% Reduced -47.2k -47,215
3 RENAISSANCE TECHNOLOGIES LLC 0.02% of their portfolio NEW YORK, NY 1,134,9361.1m $15.7m $15.7m 0.02% Reduced -21.1k -21,100
4 VANGUARD GROUP INC 0.00% of their portfolio Valley Forge, PA 943,736943.7k $13.0m $13.0m 0.00% Added +7.2k +7,170
5 BRIDGEWAY CAPITAL MANAGEMENT, LLC 0.14% of their portfolio HOUSTON, TX 438,837438.8k $6.1m $6.1m 0.14% Added +8.2k +8,199
6 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 436,369436.4k $6.0m $6.0m 0.00% Reduced -14.0k -14,027
7 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 406,749406.7k $5.6m $5.6m 0.00% Added +4.1k +4,108
8 CSM Advisors, LLC 0.08% of their portfolio WARRENDALE, PA 197,250197.2k $2.7m $2.7m 0.08% New
9 ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 0.00% of their portfolio BOSTON, MA 190,766190.8k $2.6m $2.6m 0.00% Added +44.6k +44,618
10 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 185,140185.1k $2.6m $2.6m 0.00% Added +2.9k +2,861
11 AMERICAN CENTURY COMPANIES INC 0.00% of their portfolio KANSAS CITY, MO 159,875159.9k $2.2m $2.2m 0.00% Added +5.5k +5,528
12 NORTHERN TRUST CORP 0.00% of their portfolio CHICAGO, IL 153,891153.9k $2.1m $2.1m 0.00% Reduced -5.8k -5,799
13 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio SAN FRANCISCO, CA 143,992144.0k $2.0m $2.0m 0.00% Added +506 +506
14 GOLDMAN SACHS GROUP INC 0.00% of their portfolio NEW YORK, NY 123,057123.1k $1.7m $1.7m 0.00% Added +17.3k +17,309
15 CITADEL ADVISORS LLC 0.00% of their portfolio MIAMI, FL 99,32299.3k $1.4m $1.4m 0.00% Added +19.1k +19,121
16 Empowered Funds, LLC 0.01% of their portfolio NEWTOWN SQUARE, PA 91,79091.8k $1.3m $1.3m 0.01% Added +8.2k +8,199
17 AQR CAPITAL MANAGEMENT LLC 0.00% of their portfolio Greenwich, CT 81,38181.4k $1.1m $1.1m 0.00% Added +35.8k +35,786
18 Bank of New York Mellon Corp 0.00% of their portfolio NEW YORK, NY 79,37179.4k $1.1m $1.1m 0.00% Added +1.4k +1,429
19 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 73,66973.7k $1.0m $1.0m 0.00% Reduced -6.9k -6,904
20 TWO SIGMA INVESTMENTS, LP 0.00% of their portfolio NEW YORK, NY 64,15564.2k $886.0k $886.0k 0.00% Added +43.6k +43,615
21 Fourthstone LLC 0.17% of their portfolio ST LOUIS, MO 63,19463.2k $872.7k $872.7k 0.17% Added +40.4k +40,357
22 FMR LLC 0.00% of their portfolio BOSTON, MA 61,49561.5k $849.2k $849.2k 0.00% Added +2.0k +2,026
23 Teton Advisors, Inc. 0.50% of their portfolio Rye, NY 59,00059.0k $814.8k $814.8k 0.50% Unchanged
24 HSBC HOLDINGS PLC 0.00% of their portfolio LONDON, X0 55,02855.0k $768.2k $768.2k 0.00% Added +40.0k +39,978
25 D. E. Shaw & Co., Inc. 0.00% of their portfolio New York, NY 54,98855.0k $759.4k $759.4k 0.00% Added +8.8k +8,791
26 TWO SIGMA ADVISERS, LP 0.00% of their portfolio NEW YORK, NY 54,28254.3k $749.6k $749.6k 0.00% Added +25.5k +25,500
27 JOHN G ULLMAN & ASSOCIATES INC 0.10% of their portfolio CORNING, NY 51,10051.1k $705.7k $705.7k 0.10% Reduced -41.6k -41,611
28 Quantinno Capital Management LP 0.00% of their portfolio NEW YORK, NY 48,22548.2k $666.0k $666.0k 0.00% Added +19.0k +19,025
29 UBS Group AG 0.00% of their portfolio ZURICH, V8 46,87446.9k $647.3k $647.3k 0.00% Added +13.8k +13,834
30 Nuveen, LLC 0.00% of their portfolio CHARLOTTE, NC 43,29543.3k $597.9k $597.9k 0.00% Reduced -19.2k -19,189
31 GSA CAPITAL PARTNERS LLP 0.04% of their portfolio LONDON, X0 41,68441.7k $576.0k $576.0k 0.04% Added +12.3k +12,343
32 BARCLAYS PLC 0.00% of their portfolio LONDON, X0 38,53038.5k $532.1k $532.1k 0.00% Added +19.4k +19,377
33 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 37,01237.0k $511.1k $511.1k 0.00% Added +11.4k +11,427
34 STRS OHIO 0.00% of their portfolio COLUMBUS, OH 37,00037.0k $511.0k $511.0k 0.00% Added +1.6k +1,600
35 Connor, Clark & Lunn Investment Management Ltd. 0.00% of their portfolio VANCOUVER, A1 34,87234.9k $481.6k $481.6k 0.00% Reduced -10.5k -10,538
36 ROYAL BANK OF CANADA 0.00% of their portfolio TORONTO, A6 33,80433.8k $466.0k $466.0k 0.00% Added +17.1k +17,061
37 Invesco Ltd. 0.00% of their portfolio ATLANTA, GA 29,67729.7k $409.8k $409.8k 0.00% Reduced -5.8k -5,800
38 STATE OF WISCONSIN INVESTMENT BOARD 0.00% of their portfolio MADISON, WI 28,40028.4k $392.2k $392.2k 0.00% Added +6.7k +6,700
39 RHUMBLINE ADVISERS 0.00% of their portfolio BOSTON, MA 26,84826.8k $370.8k $370.8k 0.00% Added +1.7k +1,676
40 COMMONWEALTH EQUITY SERVICES, LLC 0.00% of their portfolio WALTHAM, MA 23,72023.7k $328.0k $328.0k 0.00% Reduced -424 -424
41 SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio BALA CYNWYD, PA 22,81322.8k $315.0k $315.0k 0.00% Reduced -1.5k -1,517
42 JANE STREET GROUP, LLC 0.00% of their portfolio NEW YORK, NY 21,76321.8k $300.5k $300.5k 0.00% Reduced -4.1k -4,080
43 ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio NASHVILLE, TN 20,88020.9k $288.4k $288.4k 0.00% Added +300 +300
44 Squarepoint Ops LLC 0.00% of their portfolio NEW YORK, NY 20,10820.1k $277.7k $277.7k 0.00% New
45 MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio NEW YORK, NY 18,61318.6k $257.0k $257.0k 0.00% Reduced -10.2k -10,224
46 O'SHAUGHNESSY ASSET MANAGEMENT, LLC 0.00% of their portfolio Stamford, CT 17,29517.3k $238.8k $238.8k 0.00% New
47 Curi Capital, LLC 0.00% of their portfolio CHICAGO, IL 16,48916.5k $227.7k $227.7k 0.00% Unchanged
48 LOS ANGELES CAPITAL MANAGEMENT LLC 0.00% of their portfolio LOS ANGELES, CA 15,84015.8k $218.8k $218.8k 0.00% Added +1.1k +1,135
49 FIRST TRUST ADVISORS LP 0.00% of their portfolio Wheaton, IL 12,17412.2k $168.1k $168.1k 0.00% Added +502 +502
50 Farther Finance Advisors, LLC 0.00% of their portfolio SAN FRANCISCO, CA 11,25111.3k $155.4k $155.4k 0.00% Reduced -108 -108
51 Mariner, LLC 0.00% of their portfolio Overland Park, KS 11,04211.0k $152.5k $152.5k 0.00% New
52 RITHOLTZ WEALTH MANAGEMENT 0.00% of their portfolio NEW YORK, NY 10,79310.8k $149.1k $149.1k 0.00% New
53 DEUTSCHE BANK AG\ 0.00% of their portfolio FRANKFURT AM MAIN, 2M 10,60710.6k $146.5k $146.5k 0.00% Unchanged
54 PANAGORA ASSET MANAGEMENT INC 0.00% of their portfolio BOSTON, MA 10,32410.3k $142.6k $142.6k 0.00% New
55 WELLS FARGO & COMPANY/MN 0.00% of their portfolio SAN FRANCISCO, CA 10,14610.1k $140.1k $140.1k 0.00% Added +492 +492
56 GAMCO INVESTORS, INC. ET AL 0.00% of their portfolio GREENWICH, CT 10,00010.0k $138.1k $138.1k 0.00% New
57 MetLife Investment Management, LLC 0.00% of their portfolio Whippany, NJ 9,6079.6k $132.7k $132.7k 0.00% Unchanged
58 MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% of their portfolio CAUSEWAY BAY, K3 8,6508.7k $119.5k $119.5k 0.00% Reduced -896 -896
59 Police & Firemen's Retirement System of New Jersey 0.00% of their portfolio TRENTON, NJ 5,6655.7k $78.2k $78.2k 0.00% Unchanged
60 CITIGROUP INC 0.00% of their portfolio NEW YORK, NY 5,5625.6k $76.8k $76.8k 0.00% Reduced -5.6k -5,582
61 BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio PARIS, I0 5,1985.2k $71.8k $71.8k 0.00% Added +495 +495
62 CWM, LLC 0.00% of their portfolio OMAHA, NE 4,6234.6k $64.0k $64.0k 0.00% Added +395 +395
63 Russell Investments Group, Ltd. 0.00% of their portfolio Seattle, WA 3,0563.1k $42.2k $42.2k 0.00% Reduced -131 -131
64 OSAIC HOLDINGS, INC. 0.00% of their portfolio SCOTTSDALE, AZ 2,5042.5k $34.5k $34.5k 0.00% Added +254 +254
65 PNC Financial Services Group, Inc. 0.00% of their portfolio Pittsburgh, PA 2,4942.5k $34.4k $34.4k 0.00% Reduced -2.1k -2,101
66 Versant Capital Management, Inc 0.00% of their portfolio PHOENIX, AZ 2,2052.2k $30.5k $30.5k 0.00% Added +395 +395
67 Tower Research Capital LLC (TRC) 0.00% of their portfolio NEW YORK, NY 2,1232.1k $29.3k $29.3k 0.00% Added +965 +965
68 NEW YORK STATE COMMON RETIREMENT FUND 0.00% of their portfolio ALBANY, NY 2,0462.0k $28.3k $28.3k 0.00% Unchanged
69 RAYMOND JAMES FINANCIAL INC 0.00% of their portfolio ST. PETERSBURG, FL 2,0002.0k $27.6k $27.6k 0.00% New
70 EverSource Wealth Advisors, LLC 0.00% of their portfolio BIRMINGHAM, AL 1,8751.9k $25.9k $25.9k 0.00% Added +1.6k +1,590
71 Ameritas Investment Partners, Inc. 0.00% of their portfolio LINCOLN, NE 1,8221.8k $25.2k $25.2k 0.00% Unchanged
72 Legal & General Group Plc 0.00% of their portfolio London, X0 1,4711.5k $20.3k $20.3k 0.00% Unchanged
73 CANADA LIFE ASSURANCE Co 0.00% of their portfolio WINNIPEG, A2 1,3961.4k $19.0k $19.0k 0.00% Added +223 +223
74 NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO 0.00% of their portfolio MILWAUKEE, WI 1,3701.4k $18.9k $18.9k 0.00% Unchanged
75 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio WEST SACRAMENTO, CA 1,1931.2k $16.5k $16.5k 0.00% Unchanged
76 AMALGAMATED BANK 0.00% of their portfolio NEW YORK, NY 744744 $10.0k $10.0k 0.00% Unchanged
77 MassMutual Private Wealth & Trust, FSB 0.00% of their portfolio Windsor, CT 508508 $7.0k $7.0k 0.00% Added +39 +39
78 Sterling Capital Management LLC 0.00% of their portfolio CHARLOTTE, NC 454454 $6.3k $6.3k 0.00% Added +176 +176
79 Essential Partners LLC 0.00% of their portfolio RANCHO SANTA FE, CA 290290 $4.0k $4.0k 0.00% First filing
80 Smartleaf Asset Management LLC 0.00% of their portfolio BOSTON, MA 158158 $2.2k $2.2k 0.00% Reduced -250 -250
81 GAMMA Investing LLC 0.00% of their portfolio FOSTER CITY, CA 148148 $2.0k $2.0k 0.00% Reduced -26 -26
82 Cornerstone Planning Group LLC 0.00% of their portfolio FAIRFIELD, NJ 133133 $1.8k $1.8k 0.00% Added +70 +70
83 N.E.W. Advisory Services LLC 0.00% of their portfolio DE PERE, WI 127127 $1.8k $1.8k 0.00% Unchanged
84 Private Wealth Management Group, LLC 0.00% of their portfolio PRINCETON, NJ 120120 $1.7k $1.7k 0.00% Unchanged
85 IFP Advisors, Inc 0.00% of their portfolio TAMPA, FL 9696 $1.5k $1.5k 0.00% New
86 SBI Securities Co., Ltd. 0.00% of their portfolio TOKYO, M0 9696 $1.3k $1.3k 0.00% Unchanged
87 Allworth Financial LP 0.00% of their portfolio FOLSOM, CA 8080 $1.1k $1.1k 0.00% New
88 Clearstead Advisors, LLC 0.00% of their portfolio CLEVELAND, OH 6464 $884 $884 0.00% New
89 NISA INVESTMENT ADVISORS, LLC 0.00% of their portfolio ST. LOUIS, MO 6060 $829 $829 0.00% Unchanged
90 ROTHSCHILD INVESTMENT LLC 0.00% of their portfolio CHICAGO, IL 4545 $621 $621 0.00% Added +35 +35
91 Avion Wealth 0.00% of their portfolio THE WOODLANDS, TX 4545 $0 $0 0.00% Unchanged
92 Covestor Ltd 0.00% of their portfolio LONDON, X0 3939 $1.0k $1.0k 0.00% New
93 True Wealth Design, LLC 0.00% of their portfolio AKRON, OH 2222 $304 $304 0.00% Reduced -80 -80
94 Brooklyn Investment Group 0.00% of their portfolio NEW YORK, NY 2121 $291 $291 0.00% New
95 Capital Advisors, Ltd. LLC 0.00% of their portfolio SHAKER HEIGHTS, OH 1414 $0 $0 0.00% Unchanged
96 HUNTINGTON NATIONAL BANK 0.00% of their portfolio COLUMBUS, OH 11 $14 $14 0.00% Unchanged
97 CONCOURSE FINANCIAL GROUP SECURITIES, INC. — of their portfolio BIRMINGHAM, AL 00 $0 $0 — Unchanged