Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in TSBK held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 665K | $26.2M | -4.1% | 8.433% | 0.00% |
| 2 | DIMENSIONAL FUND ADVISORS LP | 557K | $22.0M | -0.5% | 7.065% | 0.00% |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 328K | $12.9M | — | 4.155% | 0.00% |
| 4 | Cutler Capital Management, LLC | 291K | $11.5M | -0.2% | 3.693% | 3.17% |
| 5 | MANUFACTURERS LIFE INSURANCE COMPANY, THE | 286K | $11.3M | -1.1% | 3.632% | 0.01% |
| 6 | ROYCE & ASSOCIATES LP | 263K | $10.4M | -0.1% | 3.335% | 0.10% |
| 7 | Siena Capital Partners GP, LLC | 231K | $9.1M | 0.0% | 2.928% | 2.36% |
| 8 | Fourthstone LLC | 230K | $9.1M | +110.0% | 2.921% | 1.54% |
| 9 | RENAISSANCE TECHNOLOGIES LLC | 218K | $8.6M | -0.2% | 2.760% | 0.01% |
| 10 | Davis Asset Management, L.P. | 174K | $6.9M | 0.0% | 2.213% | 0.20% |
| 11 | GEODE CAPITAL MANAGEMENT, LLC | 173K | $6.8M | -0.5% | 2.189% | 0.00% |
| 12 | STATE STREET CORP | 133K | $5.2M | +4.8% | 1.686% | 0.00% |
| 13 | GABELLI FUNDS LLC | 123K | $4.9M | 0.0% | 1.561% | 0.03% |
| 14 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | 123K | $4.8M | -6.8% | 1.555% | 0.10% |
| 15 | KILEY JUERGENS WEALTH MANAGEMENT, LLC | 120K | $4.7M | -0.1% | 1.523% | 0.84% |
| 16 | ALLIANCEBERNSTEIN L.P. | 115K | $4.1M | -11.3% | 1.459% | 0.00% |
| 17 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 87K | $3.4M | 0.0% | 1.100% | 0.00% |
| 18 | WESTPORT ASSET MANAGEMENT INC | 81K | $3.2M | 0.0% | 1.026% | 1.41% |
| 19 | GOLDMAN SACHS GROUP INC | 74K | $2.9M | +14.5% | 0.935% | 0.00% |
| 20 | De Lisle Partners LLP | 65K | $2.6M | +3.2% | 0.828% | 0.31% |
| 21 | NORTHERN TRUST CORP | 62K | $2.5M | +4.6% | 0.792% | 0.00% |
| 22 | AMERICAN CENTURY COMPANIES INC | 53K | $2.1M | +32.3% | 0.666% | 0.00% |
| 23 | Empowered Funds, LLC | 50K | $2.0M | 0.0% | 0.632% | 0.01% |
| 24 | VANGUARD FIDUCIARY TRUST CO | 47K | $1.9M | — | 0.597% | 0.00% |
| 25 | VANGUARD PORTFOLIO MANAGEMENT LLC | 43K | $1.7M | — | 0.543% | 0.00% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in TSBK — a direct measure of their conviction.
Filings activity in TSBK during Q1 2026, grouped by how each filer changed its position.
Institutions that opened a new TSBK position in Q1 2026
Institutions that fully closed their TSBK position in Q1 2026
8 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 106 | +7.1% | 60.48% | +6.29 pp | $203M | +12% |
| Q4 2025 | 99 | +6.5% | 54.19% | +4.43 pp | $182M | +8.9% |
| Q3 2025 | 93 | +3.3% | 49.76% | +4.66 pp | $167M | +10% |
| Q2 2025 | 90 | +2.3% | 45.10% | +1.64 pp | $152M | +3.8% |
| Q1 2025 | 88 | +7.3% | 43.46% | 0.48 pp | $146M | 1.1% |
| Q4 2024 | 82 | +1.2% | 43.94% | +0.40 pp | $148M | +0.9% |
| Q3 2024 | 81 | +11% | 43.54% | +5.63 pp | $146M | +15% |
| Q2 2024 | 73 | — | 37.91% | — | $128M | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying TSBK stock.
Based on Q1 2026 13F filings, institutional ownership of Timberland Bancorp, Inc. stands at 60.5%, held across 106 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of TSBK, with approximately 664,922 shares worth $0.03B as of Q1 2026.
Yes — 1 widely-followed marquee investor appear among the top 25 institutional holders of TSBK, including RENAISSANCE TECHNOLOGIES LLC.
Our composite Smart Money Score for TSBK is 64 out of 100 (Bullish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
15 institutions opened new positions in TSBK during Q1 2026, while 8 fully exited. 72 added to existing positions and 18 trimmed.
TSBK institutional ownership rose by 6.29 percentage points quarter-over-quarter, with a net change of +7 holders.
The top 10 institutions account for 62.9% of all reported 13F value in TSBK, and the top 25 account for 88.8%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
Timberland Bancorp, Inc. (TSBK) Institutional Ownership