Who owns Lake Shore Bancorp (LSBK)
Which tracked institutional funds hold LSBK, how they are positioned, and who is buying versus exiting — from SEC Form 13F-HR filings. See LSBK company fundamentals →
Ownership as of the 2026-Q2 13F filings (latest filed 2026-08-14). 13F is disclosed up to 45 days after quarter-end, so the most recent quarter fills in over the following weeks.
How the tape is positioned
The tracked-fund tape on LSBK is one-sided between 2026-Q1 and 2026-Q2: 5 added or opened and 1 trimmed or exited — on balance accumulating.
A prompt to read the filings, not a verdict. 13F is a quarter-end snapshot disclosed up to 45 days late; a fund adds or exits for mandate, benchmark, and timing reasons that have nothing to do with a view on the stock. This is a starting question, not a signal to trade.
Conviction spread
LSBK’s largest tracked holder by dollar value, STILWELL VALUE LLC, sizes it at 7.9% of its own reported 13F book, while the median holder sizes it at 0.0% of theirs — a 7.9pp conviction gap — its largest holder concentrates the name more heavily than the typical one.
Book-share is each fund’s reported value in LSBK divided by its whole reported 13F book, so it is comparable across funds of different sizes and is unaffected by stock splits. A higher share means a fund has committed more of its book to the name — a starting question about conviction, not a verdict or a signal to trade.
Institutional & insider positioning
Between 2026-Q1 and 2026-Q2, across 30 tracked filers holding LSBK, 16 increased or opened the position and 6 reduced or closed it; over the same quarter, there were no open-market insider Form 4s.
This fuses two public signals for the same quarter — how tracked institutions changed their positions and whether insiders bought or sold in the open market. It describes what was filed; it is a starting question, not a verdict or a signal to trade.
New buyers & exits
Funds opening or closing a position in LSBK between the 2026-Q1 and 2026-Q2 13F filings, and the largest changes among funds holding it in both. New buyers and exits are counted on fund presence (split-invariant); adds and trims are measured on reported value.
Full exits 1
- RAYMOND JAMES FINANCIAL INC$802K
Largest adds
- STILWELL VALUE LLC$2M
- ALLIANCEBERNSTEIN L.P.$1M
- Oppenheimer & Close, LLC$473K
- MANGROVE PARTNERS IM, LLC$396K
- BlackRock, Inc.$365K
Institutional holders
One row per tracked fund, largest reported value first. “% of value” is the fund’s share of this security’s tracked institutional value — not of shares outstanding. Rows marked stale are from an earlier filing than the security’s latest quarter — that fund is absent from the newest snapshot (position exited, or reported under a different name).
| Fund | Shares | Reported value | % of value | Quarter |
|---|---|---|---|---|
| STILWELL VALUE LLC | 773,675 | $14M | 32.0% | 2026-Q2 |
| ALLIANCEBERNSTEIN L.P. added | 505,971 | $8M | 17.8% | 2026-Q2 |
| Oppenheimer & Close, LLC | 180,000 | $3M | 7.4% | 2026-Q2 |
| MANGROVE PARTNERS IM, LLC | 150,585 | $3M | 6.2% | 2026-Q2 |
| HBK Sorce Advisory LLC trimmed | 85,173 | $1M | 3.4% | 2026-Q2 |
| GRAHAM CAPITAL WEALTH MANAGEMENT, LLC trimmed | 74,543 | $1M | 3.1% | 2026-Q2 |
| Peapod Lane Capital LLC added | 70,039 | $1M | 2.9% | 2026-Q2 |
| RENAISSANCE TECHNOLOGIES LLC trimmed | 65,641 | $1M | 2.7% | 2026-Q2 |
| DIMENSIONAL FUND ADVISORS LP added | 47,933 | $853K | 2.0% | 2026-Q2 |
| Minerva Advisors LLC | 44,259 | $788K | 1.8% | 2026-Q2 |
| MORGAN STANLEY added | 30,133 | $537K | 1.2% | 2026-Q2 |
| BlackRock, Inc. added | 29,505 | $525K | 1.2% | 2026-Q2 |
| VANGUARD CAPITAL MANAGEMENT LLC added | 27,442 | $489K | 1.1% | 2026-Q2 |
| GEODE CAPITAL MANAGEMENT, LLC added | 26,729 | $476K | 1.1% | 2026-Q2 |
| COURIER CAPITAL LLC added | 25,694 | $458K | 1.1% | 2026-Q2 |
| FIRST MANHATTAN CO. LLC. | 25,075 | $447K | 1.0% | 2026-Q2 |
| Sandhill Capital Partners LLC added | 18,218 | $324K | 0.8% | 2026-Q2 |
| Round Hill Asset Management | 15,715 | $280K | 0.7% | 2026-Q2 |
| Cerity Partners LLC | 15,335 | $273K | 0.6% | 2026-Q2 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 12,568 | $224K | 0.5% | 2026-Q2 |
| VANGUARD FIDUCIARY TRUST CO added | 11,486 | $205K | 0.5% | 2026-Q2 |
| Marquette Asset Management, LLC new | 9,652 | $172K | 0.4% | 2026-Q2 |
| UBS Group AG added | 4,908 | $87K | 0.2% | 2026-Q2 |
| ROYAL BANK OF CANADA added | 4,258 | $76K | 0.2% | 2026-Q2 |
| Farther Finance Advisors, LLC | 1,354 | $24K | 0.1% | 2026-Q2 |
| OSAIC HOLDINGS, INC. added | 744 | $13K | 0.0% | 2026-Q2 |
| Mirae Asset Global Investments Co., Ltd. new | 633 | $11K | 0.0% | 2026-Q2 |
| WHITTIER TRUST CO | 628 | $11K | 0.0% | 2026-Q2 |
| Arax Advisory Partners | 541 | $10K | 0.0% | 2026-Q2 |
| BARCLAYS PLC new | 9 | $160 | 0.0% | 2026-Q2 |
| RAYMOND JAMES FINANCIAL INC new | 52,804 | $802K | 1.9% | 2026-Q1 stale (1 quarter behind) |
| ACADIAN ASSET MANAGEMENT LLC added | 21,808 | $328K | 0.8% | 2026-Q1 stale (1 quarter behind) |
| Capital Advisors, Ltd. LLC | 8 | — | 0.0% | 2026-Q1 stale (1 quarter behind) |
| VANGUARD GROUP INC | 35,597 | $522K | 1.2% | 2025-Q4 stale (2 quarters behind) |
| CITADEL ADVISORS LLC added | 30,398 | $446K | 1.0% | 2025-Q4 stale (2 quarters behind) |
| BANK OF AMERICA CORP /DE/ trimmed | 6,099 | $89K | 0.2% | 2025-Q4 stale (2 quarters behind) |
| CITIGROUP INC new | 172 | $3K | 0.0% | 2025-Q4 stale (2 quarters behind) |
| M3F, Inc. trimmed | 74,801 | $972K | 2.3% | 2025-Q3 stale (3 quarters behind) |
| Fourthstone LLC new | 42,000 | $546K | 1.3% | 2025-Q3 stale (3 quarters behind) |
| MARSHALL WACE, LLP new | 20,910 | $272K | 0.6% | 2025-Q3 stale (3 quarters behind) |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP added | 18,960 | $246K | 0.6% | 2025-Q3 stale (3 quarters behind) |
| Tower Research Capital LLC (TRC) added | 229 | $3K | 0.0% | 2025-Q3 stale (3 quarters behind) |
| SBI Securities Co., Ltd. | 1 | $13 | 0.0% | 2025-Q3 stale (3 quarters behind) |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 0 | — | 0.0% | 2025-Q2 stale (4 quarters behind) |
Ownership over time
Tracked institutional holder count and total shares held by filing quarter (independent scales). The curated-era tail and any mid-ingest latest quarter are handled honestly — a partial quarter is not drawn as a collapse.
Reading this table
Funds hold the same stock for different reasons — an index fund “holds” almost everything, an active manager sizes a name to a mandate and a benchmark, and each fund entered at its own price and time. Because 13F is filed up to 45 days after quarter-end, every row is a backward-looking snapshot; a manager may have traded since. Share-class siblings (a company’s A and C shares) are rolled up to one line so a dual-class name is never double-counted. Compare like-for-like. A large holder is not an endorsement, and a fund exiting is not a warning — this is a starting question, not a verdict.
About 13F filings
A Form 13F is a quarterly disclosure that institutional investment managers with over $100 million in US-listed equities must file with the SEC. In plain English: it is a snapshot of the long stock positions a fund held at the end of a quarter. It covers long US-listed equities only — not short positions, options, cash, or private holdings — and the funds shown are the large sample we track, not the complete 13F universe.