Vault-13

COASTALSOUTH BANCSHARES INC COSO

COM NEW · Common Stock · CUSIP 19058X207

101 institutional holders +18 vs Q1 2026
6,995,7537.0m shares reported held*
58.5% of all shares outstanding*
$187.1mreported value*
24 new 42 added 20 reduced 4 sold out net sold ≈ $7.9m (-292.4k 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 ($553.2k this quarter). Holder counts are more reliable. Shares outstanding: 12.0m as of 2026-08-05, 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 ≈ $26.74.

Trends to Q2 2026

Institutional holders

Managers reporting a position, each quarter

050100150Q3 22: 2Q4 22: 2Q1 23: 2Q2 23: 2Q3 23: 2Q4 23: 2Q1 24: 2Q2 24: 2Q3 24: 2Q4 24: 2Q1 25: 2Q2 25: 3Q3 25: 53Q4 25: 66Q1 26: 83Q2 26: 101101Q3 22Q3 23Q3 24Q3 25Q2 26
Numbers
QuarterHolders
Q3 20222
Q4 20222
Q1 20232
Q2 20232
Q3 20232
Q4 20232
Q1 20242
Q2 20242
Q3 20242
Q4 20242
Q1 20252
Q2 20253
Q3 202553
Q4 202566
Q1 202683
Q2 2026101

Buyers vs sellers

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

Bought or addedCut or sold out
1000100Q3 24: 0 bought or addedQ3 24: 1 cut or sold outQ4 24: 0 bought or addedQ4 24: 1 cut or sold outQ4 24Q1 25: 0 bought or addedQ1 25: 1 cut or sold outQ2 25: 1 bought or addedQ2 25: 1 cut or sold outQ2 25Q3 25: 50 bought or addedQ3 25: 2 cut or sold outQ4 25: 36 bought or addedQ4 25: 21 cut or sold outQ4 25Q1 26: 57 bought or addedQ1 26: 17 cut or sold outQ2 26: 66 bought or addedQ2 26: 24 cut or sold outQ2 26
Numbers
QuarterBought or addedCut or sold out
Q3 202401
Q4 202401
Q1 202501
Q2 202511
Q3 2025502
Q4 20253621
Q1 20265717
Q2 20266624

Biggest buyers

TWO SIGMA INVESTMENTS, LP Added +308,434+308.4k
Qube Research & Technologies Ltd New +127,213+127.2k
RAFFLES ASSOCIATES LP Added +102,995+103.0k
ACADIAN ASSET MANAGEMENT LLC Added +101,107+101.1k
BlackRock, Inc. Added +92,165+92.2k
CITADEL ADVISORS LLC New +88,947+88.9k
MORGAN STANLEY Added +80,983+81.0k
Point72 Asset Management, L.P. New +63,549+63.5k
STATE STREET CORP Added +61,921+61.9k
JPMORGAN CHASE & CO Added +56,060+56.1k

Biggest sellers

Fourthstone LLC Reduced -875,293-875.3k
Patriot Financial Partners GP II, L.P. Reduced -467,844-467.8k
ENDEAVOUR CAPITAL ADVISORS INC Sold out -241,595-241.6k
GOLDMAN SACHS GROUP INC Reduced -166,611-166.6k
MENDON CAPITAL ADVISORS CORP Reduced -62,511-62.5k
Curi Capital, LLC Reduced -52,950-53.0k
ALLIANCEBERNSTEIN L.P. Reduced -50,027-50.0k
Ghisallo Capital Management LLC Sold out -20,000-20.0k
VANGUARD CAPITAL MANAGEMENT LLC Reduced -11,334-11.3k
MARSHALL WACE, LLP Reduced -10,375-10.4k

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.

No one currently above 5% in the filings since 19 Dec 2024.

Fell to 5% or below in the last year: Patriot Financial Partners II, L.P. (4.8%, 2026-08-18), Fourthstone LLC (1.9%, 2026-08-14), EJF Capital LP (1.6%, 2026-05-28)

Insider purchases and sales since 1 Apr 2026

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
20020Q4 24: 0 buyingQ4 24: 0 sellingQ1 25: 0 buyingQ1 25: 0 sellingQ1 25Q2 25: 0 buyingQ2 25: 0 sellingQ3 25: 12 buyingQ3 25: 0 sellingQ3 25Q4 25: 0 buyingQ4 25: 0 sellingQ1 26: 2 buyingQ1 26: 0 sellingQ1 26Q2 26: 0 buyingQ2 26: 1 sellingQ3 26: 1 buyingQ3 26: 1 sellingQ3 26
Numbers
QuarterBuyingBoughtSellingSoldSold under a plan
Q4 20240—0——
Q1 20250—0——
Q2 20250—0——
Q3 202512$3.5m0——
Q4 20250—0——
Q1 20262$42.5k0——
Q2 20260—1$117.8k—
Q3 20261$9.4k1$165.3k$27.6k
DateInsiderTradeSharesPrice ValueTheir holding
2026-08-31 Bruderer Ernst W. Director Sold 2,000 $27.43 $54.9k2.0k shares -5%
2026-08-26 Bruderer Ernst W. Director Sold 2,000 $27.50 $55.0k2.0k shares -4%
2026-08-18 Bruderer Ernst W. Director Sold 1,000 $27.89 $27.9k1.0k shares -2%
2026-08-12 Bruderer Ernst W. Director Sold plan 1,000 $27.56 $27.6k1.0k shares -2%
2026-08-07 MACLEOD JAMES S Director Bought 238 $28.15 $6.7k238 shares +<1%
2026-08-06 MACLEOD JAMES S Director Bought 96 $27.61 $2.7k96 shares +<1%
2026-05-06 Valduga Anthony P. CFO AND COO Sold 4,558 $25.84 $117.8k4.6k shares -5%

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, Q2 2026

#ManagerLocationShares Value% of their portfolioChangeShares change
1 Patriot Financial Partners GP II, L.P. 4.74% of their portfolio RADNOR, PA 691,367691.4k $18.6m $18.6m 4.74% Reduced -467.8k -467,844
2 BlackRock, Inc. 0.00% of their portfolio New York, NY 584,198584.2k $15.7m $15.7m 0.00% Added +92.2k +92,165
3 TWO SIGMA INVESTMENTS, LP 0.01% of their portfolio NEW YORK, NY 408,489408.5k $11.0m $11.0m 0.01% Added +308.4k +308,434
4 VANGUARD CAPITAL MANAGEMENT LLC 0.00% of their portfolio MALVERN, PA 395,093395.1k $10.6m $10.6m 0.00% Reduced -11.3k -11,334
5 North Reef Capital Management LP 0.38% of their portfolio LAGUNA BEACH, CA 370,982371.0k $10.0m $10.0m 0.38% Added +50.0k +50,000
6 Berkeley Capital Partners, LLC 1.97% of their portfolio Milton, GA 356,390356.4k $9.6m $9.6m 1.97% Reduced -4.2k -4,172
7 ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio NASHVILLE, TN 347,546347.5k $8.5m $8.5m 0.00% Reduced -50.0k -50,027
8 MENDON CAPITAL ADVISORS CORP 2.54% of their portfolio KEY LARGO, FL 267,232267.2k $7.2m $7.2m 2.54% Reduced -62.5k -62,511
9 Curi Capital, LLC 0.10% of their portfolio CHICAGO, IL 250,001250.0k $6.7m $6.7m 0.10% Reduced -53.0k -52,950
10 Fourthstone LLC 4.33% of their portfolio ST LOUIS, MO 225,211225.2k $6.1m $6.1m 4.33% Reduced -875.3k -875,293
11 RAFFLES ASSOCIATES LP 2.64% of their portfolio NEW YORK, NY 224,276224.3k $6.0m $6.0m 2.64% Added +103.0k +102,995
12 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 196,340196.3k $5.3m $5.3m 0.00% Added +5.1k +5,090
13 EJF Capital LP 3.46% of their portfolio Arlington, VA 192,676192.7k $5.2m $5.2m 3.46% Unchanged
14 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 188,361188.4k $5.1m $5.1m 0.00% Added +61.9k +61,921
15 ACADIAN ASSET MANAGEMENT LLC 0.01% of their portfolio Boston, MA 173,846173.8k $4.7m $4.7m 0.01% Added +101.1k +101,107
16 Qube Research & Technologies Ltd 0.00% of their portfolio LONDON, X0 127,213127.2k $3.4m $3.4m 0.00% New
17 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 108,931108.9k $2.9m $2.9m 0.00% Added +81.0k +80,983
18 KLCM Advisors, Inc. 0.23% of their portfolio MILWAUKEE, WI 107,617107.6k $2.9m $2.9m 0.23% Unchanged
19 GOLDMAN SACHS GROUP INC 0.00% of their portfolio NEW YORK, NY 91,52891.5k $2.5m $2.5m 0.00% Reduced -166.6k -166,611
20 Bleakley Financial Group, LLC 0.03% of their portfolio PARSIPPANY, NJ 90,30790.3k $2.4m $2.4m 0.03% Added +2.2k +2,171
21 CITADEL ADVISORS LLC 0.00% of their portfolio MIAMI, FL 88,94788.9k $2.4m $2.4m 0.00% New
22 BANC FUNDS CO LLC 0.38% of their portfolio CHICAGO, IL 85,71585.7k $2.3m $2.3m 0.38% Unchanged
23 FIRST MANHATTAN CO. LLC. 0.01% of their portfolio NEW YORK, NY 77,63877.6k $2.1m $2.1m 0.01% Unchanged
24 Elizabeth Park Capital Advisors, Ltd. 1.40% of their portfolio PEPPER PIKE, OH 75,74075.7k $2.0m $2.0m 1.40% Unchanged
25 AQR CAPITAL MANAGEMENT LLC 0.00% of their portfolio Greenwich, CT 70,17770.2k $1.9m $1.9m 0.00% Added +25.2k +25,210
26 NORTHERN TRUST CORP 0.00% of their portfolio CHICAGO, IL 65,97166.0k $1.8m $1.8m 0.00% Added +1.5k +1,532
27 Point72 Asset Management, L.P. 0.00% of their portfolio STAMFORD, CT 63,54963.5k $1.7m $1.7m 0.00% New
28 Trexquant Investment LP 0.01% of their portfolio STAMFORD, CT 63,32463.3k $1.7m $1.7m 0.01% Added +33.3k +33,252
29 VANGUARD PORTFOLIO MANAGEMENT LLC 0.00% of their portfolio MALVERN, PA 59,97360.0k $1.6m $1.6m 0.00% Added +6.5k +6,544
30 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 59,79259.8k $1.6m $1.6m 0.00% Added +56.1k +56,060
31 VANGUARD FIDUCIARY TRUST CO 0.00% of their portfolio MALVERN, PA 53,04753.0k $1.4m $1.4m 0.00% Reduced -177 -177
32 JANE STREET GROUP, LLC 0.00% of their portfolio NEW YORK, NY 50,34550.3k $1.4m $1.4m 0.00% New
33 BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio PARIS, I0 48,42248.4k $1.3m $1.3m 0.00% Added +46.0k +46,014
34 HRT FINANCIAL LP 0.00% of their portfolio NEW YORK, NY 43,81943.8k $1.2m $1.2m 0.00% New
35 KENNEDY CAPITAL MANAGEMENT LLC 0.02% of their portfolio ST LOUIS, MO 42,73242.7k $1.1m $1.1m 0.02% Reduced -1.8k -1,755
36 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 39,68839.7k $1.1m $1.1m 0.00% Added +23.7k +23,674
37 Nuveen, LLC 0.00% of their portfolio CHARLOTTE, NC 39,46439.5k $1.1m $1.1m 0.00% Unchanged
38 XTX Topco Ltd 0.01% of their portfolio LONDON, X0 38,84538.8k $1.0m $1.0m 0.01% New
39 HB Wealth Management, LLC 0.01% of their portfolio Atlanta, GA 38,11138.1k $1.0m $1.0m 0.01% Reduced -532 -532
40 ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 0.00% of their portfolio BOSTON, MA 35,62235.6k $956.5k $956.5k 0.00% New
41 SALZHAUER MICHAEL 0.33% of their portfolio NEW YORK, NY 33,04633.0k $887.3k $887.3k 0.33% Unchanged
42 MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio NEW YORK, NY 32,02732.0k $859.9k $859.9k 0.00% Added +10.7k +10,714
43 Quadrature Capital Ltd 0.01% of their portfolio LONDON, X0 29,96930.0k $804.7k $804.7k 0.01% New
44 OCCUDO QUANTITATIVE STRATEGIES LP 0.04% of their portfolio FORT LAUDERDALE, FL 29,11029.1k $781.6k $781.6k 0.04% Added +18.7k +18,685
45 D. E. Shaw & Co., Inc. 0.00% of their portfolio New York, NY 26,09026.1k $700.5k $700.5k 0.00% New
46 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio SAN FRANCISCO, CA 24,18924.2k $649.5k $649.5k 0.00% Reduced -24 -24
47 Bank of New York Mellon Corp 0.00% of their portfolio NEW YORK, NY 21,37521.4k $573.9k $573.9k 0.00% Added +784 +784
48 Russell Investments Group, Ltd. 0.00% of their portfolio Seattle, WA 17,40517.4k $466.9k $466.9k 0.00% Added +16.8k +16,847
49 Jump Financial, LLC 0.00% of their portfolio Chicago, IL 15,80015.8k $424.2k $424.2k 0.00% New
50 BRIDGEWAY CAPITAL MANAGEMENT, LLC 0.01% of their portfolio HOUSTON, TX 14,90914.9k $400.3k $400.3k 0.01% Unchanged
51 Man Group plc 0.00% of their portfolio LONDON, X0 14,76714.8k $396.5k $396.5k 0.00% New
52 MARSHALL WACE, LLP 0.00% of their portfolio LONDON, X0 14,12814.1k $379.3k $379.3k 0.00% Reduced -10.4k -10,375
53 Centiva Capital, LP 0.01% of their portfolio New York, NY 12,86812.9k $345.5k $345.5k 0.01% Added +4.5k +4,535
54 WINTON GROUP Ltd 0.01% of their portfolio LONDON, X0 11,68111.7k $313.6k $313.6k 0.01% New
55 SEI INVESTMENTS CO 0.00% of their portfolio OAKS, PA 11,66511.7k $313.2k $313.2k 0.00% Reduced -10.0k -10,007
56 Squarepoint Ops LLC 0.00% of their portfolio NEW YORK, NY 10,94110.9k $293.8k $293.8k 0.00% New
57 FRANKLIN RESOURCES INC 0.00% of their portfolio San Mateo, CA 10,39510.4k $279.1k $279.1k 0.00% Reduced -526 -526
58 Schonfeld Strategic Advisors LLC 0.00% of their portfolio NEW YORK, NY 9,96210.0k $267.5k $267.5k 0.00% New
59 Walleye Capital LLC 0.00% of their portfolio NEW YORK, NY 9,7359.7k $261.4k $261.4k 0.00% New
60 SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC 0.00% of their portfolio BALA CYNWYD, PA 9,4419.4k $253.5k $253.5k 0.00% New
61 Virtu Financial LLC 0.01% of their portfolio New York, NY 9,3209.3k $250.0k $250.0k 0.01% New
62 ALGERT GLOBAL LLC 0.00% of their portfolio SAN FRANCISCO, CA 8,3038.3k $222.9k $222.9k 0.00% New
63 WELLS FARGO & COMPANY/MN 0.00% of their portfolio SAN FRANCISCO, CA 8,2818.3k $222.3k $222.3k 0.00% Added +2.0k +2,026
64 RHUMBLINE ADVISERS 0.00% of their portfolio BOSTON, MA 8,0188.0k $215.3k $215.3k 0.00% Added +2.7k +2,667
65 DEUTSCHE BANK AG\ 0.00% of their portfolio FRANKFURT AM MAIN, 2M 8,0128.0k $215.1k $215.1k 0.00% Added +4.6k +4,609
66 ELCO Management Co., LLC 0.09% of their portfolio New York, NY 7,9357.9k $213.1k $213.1k 0.09% Reduced -4.1k -4,096
67 Y-Intercept (Hong Kong) Ltd 0.00% of their portfolio HONG KONG, K3 7,9197.9k $212.6k $212.6k 0.00% New
68 BARCLAYS PLC 0.00% of their portfolio LONDON, X0 7,7937.8k $209.2k $209.2k 0.00% Added +2.1k +2,077
69 OSAIC HOLDINGS, INC. 0.00% of their portfolio SCOTTSDALE, AZ 7,7807.8k $208.9k $208.9k 0.00% Added +15 +15
70 EP Wealth Advisors, LLC 0.00% of their portfolio TORRANCE, CA 7,5647.6k $203.1k $203.1k 0.00% New
71 MetLife Investment Management, LLC 0.00% of their portfolio Whippany, NJ 5,3565.4k $143.8k $143.8k 0.00% Unchanged
72 Daytona Street Capital LLC 0.10% of their portfolio SAINT LOUIS, MO 5,0005.0k $133.1k $133.1k 0.10% Unchanged
73 CITIGROUP INC 0.00% of their portfolio NEW YORK, NY 4,0414.0k $108.5k $108.5k 0.00% Added +3.6k +3,609
74 MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% of their portfolio CAUSEWAY BAY, K3 3,7843.8k $101.6k $101.6k 0.00% Reduced -522 -522
75 UBS Group AG 0.00% of their portfolio ZURICH, V8 3,6393.6k $97.7k $97.7k 0.00% Added +490 +490
76 Vanguard Global Advisers, LLC 0.00% of their portfolio MALVERN, PA 2,9623.0k $79.5k $79.5k 0.00% Unchanged
77 Rockefeller Capital Management L.P. 0.00% of their portfolio NEW YORK, NY 2,3532.4k $63.2k $63.2k 0.00% Added +751 +751
78 PNC Financial Services Group, Inc. 0.00% of their portfolio Pittsburgh, PA 2,1252.1k $57.1k $57.1k 0.00% New
79 NEW YORK STATE COMMON RETIREMENT FUND 0.00% of their portfolio ALBANY, NY 1,9001.9k $51.0k $51.0k 0.00% Unchanged
80 Police & Firemen's Retirement System of New Jersey 0.00% of their portfolio TRENTON, NJ 1,7301.7k $46.5k $46.5k 0.00% Unchanged
81 Tower Research Capital LLC (TRC) 0.00% of their portfolio NEW YORK, NY 1,0531.1k $28.3k $28.3k 0.00% Added +488 +488
82 Legal & General Group Plc 0.00% of their portfolio London, X0 789789 $21.2k $21.2k 0.00% Unchanged
83 Ameritas Investment Partners, Inc. 0.00% of their portfolio LINCOLN, NE 752752 $20.2k $20.2k 0.00% Unchanged
84 ROYAL BANK OF CANADA 0.00% of their portfolio TORONTO, A6 733733 $20.0k $20.0k 0.00% Added +457 +457
85 Arax Advisory Partners 0.00% of their portfolio NEW YORK, NY 221221 $5.9k $5.9k 0.00% Added +193 +193
86 Sterling Capital Management LLC 0.00% of their portfolio CHARLOTTE, NC 166166 $4.5k $4.5k 0.00% Reduced -106 -106
87 IFP Advisors, Inc 0.00% of their portfolio TAMPA, FL 157157 $4.2k $4.2k 0.00% Added +137 +137
88 GAMMA Investing LLC 0.00% of their portfolio FOSTER CITY, CA 152152 $4.1k $4.1k 0.00% Added +33 +33
89 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio WEST SACRAMENTO, CA 113113 $3.0k $3.0k 0.00% Reduced -393 -393
90 Integrated Wealth Concepts LLC 0.00% of their portfolio WALTHAM, MA 9999 $2.7k $2.7k 0.00% New
91 Allworth Financial LP 0.00% of their portfolio FOLSOM, CA 9090 $2.4k $2.4k 0.00% Added +68 +68
92 ROTHSCHILD INVESTMENT LLC 0.00% of their portfolio CHICAGO, IL 6464 $1.7k $1.7k 0.00% Added +32 +32
93 EverSource Wealth Advisors, LLC 0.00% of their portfolio BIRMINGHAM, AL 3232 $860 $860 0.00% Added +19 +19
94 Essential Partners LLC 0.00% of their portfolio RANCHO SANTA FE, CA 2424 $644 $644 0.00% Added +13 +13
95 FMR LLC 0.00% of their portfolio BOSTON, MA 2323 $618 $618 0.00% Added +21 +21
96 Basecamp Wealth Advisors LLC 0.00% of their portfolio BELLEVUE, WA 1818 $483 $483 0.00% Added +4 +4
97 Covestor Ltd 0.00% of their portfolio LONDON, X0 1616 $0 $0 0.00% Reduced -5 -5
98 Caitong International Asset Management Co., Ltd 0.00% of their portfolio HONG KONG, K3 1010 $268 $268 0.00% New
99 True Wealth Design, LLC 0.00% of their portfolio AKRON, OH 1010 $269 $269 0.00% Added +8 +8
100 Farther Finance Advisors, LLC 0.00% of their portfolio SAN FRANCISCO, CA 44 $107 $107 0.00% Added +1 +1