% of shares outstanding not shown: no SEC cover-page share count falls within 120 days of the 2026-Q1 quarter end, so any percentage would rest on a count that cannot speak for this quarter. Holder share counts are shown as filed.
Crowding percentile withheld — no market cap for SGBLY in the served universe — the cohort is size-matched, and an unmatched percentile would compare a micro-cap register to a mega-cap one.
| # | Holder | Shares | Value | % of shares out | Δ QoQ |
|---|---|---|---|---|---|
| 1 | Ramirez Asset Management, Inc. | 191,083191,083 | $3M | — | TRIM -35% |
| 2 | Ativo Capital Management LLC | 37,49037,490 | $686,817 | — | — |
| 3 | FCA CORP /TX | 17,30017,300 | $316,936 | — | NEW |
| 4 | GAMMA Investing LLC | 6,2506,250 | $114,500 | — | ADD 17% |
| 5 | PNC FINANCIAL SERVICES GROUP, INC. | 251251 | $4,598 | — | — |
Rows rank by the value each filer reported — 13F filers price their own positions, so a holder with fewer shares can rank just above one with more.
| Holder | 2024-Q4 | 2025-Q1 | 2025-Q2 | 2025-Q3 | 2025-Q4 | 2026-Q1 | Latest value |
|---|---|---|---|---|---|---|---|
| Ramirez Asset Management, Inc. | 188K | 178K | 176K | 311K | 294K | 191K | $3M |
| Ativo Capital Management LLC | 93K | 48K | 45K | 43K | 37K | 37K | $686,817 |
| FCA CORP /TX | — | — | — | — | — | 17K | $316,936 |
| GAMMA Investing LLC | 836 | 1K | 5K | 4K | 5K | 6K | $114,500 |
| PNC FINANCIAL SERVICES GROUP, INC. | 227 | 119 | 117 | 266 | 256 | 251 | $4,598 |
Shares reported each quarter by the largest current holders. Green = added vs the prior filing, red = trimmed, grey = roughly held; a dash is a quarter with no 13F on file (a gap is skipped, not read as an exit). 13F is filed up to 45 days after quarter-end. Up to 40 quarters (10 years) available — use the selector above.
Holder count only — too few computable %-of-shares-outstanding quarters for a % pane. Line breaks are quarters with no 13F record, never interpolated.
Short interest has its own tab now — open SI →
Source: SEC Form 13F — every institution manager (≥ $100M in 13F securities) reporting a long US-listed position, across ~10,250 filers over 10 years of history. 13F is long-only, US-listed, filed up to 45 days after quarter-end.
| Biggest buyers | Δ shares | Δ value | |
|---|---|---|---|
| FCA CORP /TX | +17,300 | $315,552 | OPEN |
| GAMMA Investing LLC | +922 | $16,817 | ADD |
| Biggest sellers | Δ shares | Δ value | |
|---|---|---|---|
| Ramirez Asset Management, Inc. | −103,152 | $2M | TRIM |
| PNC FINANCIAL SERVICES GROUP, INC. | −5 | $91 | — |
The 2025-Q4 register is as-filed in ITS OWN share basis; every count below was rebased into the 2026-Q1 basis (no split in between, factor 1). Dollar figures value the SHARE delta at one price — the 2026-03-31 close — rather than differencing two filings' own reported values, which would mix the quarter's price move into the trade figure.
13Fs disclose LONG US-listed positions only — shorts, most derivatives, bonds and non-US listings are invisible here, and a filer's quarter-over-quarter change is not necessarily a trade (index rebalances, in-kind transfers and entity successions all read as flow).
| Quarter | Holders | Shares held | % shares out | Value held |
|---|---|---|---|---|
| 2026-Q1 | 5 | 252,374 | — | $5M |
| 2025-Q4 | 4 | 337,309 | — | $6M |
| 2025-Q3 | 4 | 358,774 | — | $5M |
| 2025-Q2 | 6 | 226,478 | — | $3M |
| 2025-Q1 | 4 | 227,375 | — | $3M |
| 2024-Q4 | 5 | 304,600 | — | $4M |
| 2024-Q3 | 6 | 310,328 | — | $4M |
| 2024-Q2 | 6 | 2,816,276 | — | $33M |
| 2024-Q1 | 6 | 2,803,322 | — | $27M |
| 2023-Q4 | 5 | 2,393,602 | — | $27M |
| 2023-Q3 | 5 | 2,449,553 | — | $24M |
| 2023-Q2 | 6 | 2,483,252 | — | $24M |
| 2023-Q1 | 6 | 3,681,280 | — | $36M |
| 2022-Q4 | 7 | 3,641,282 | — | $36M |
| 2022-Q3 | 6 | 2,725,214 | — | $21M |
| 2022-Q2 | 6 | 2,694,808 | — | $26M |
| 2022-Q1 | 6 | 2,536,883 | — | $32M |
| 2021-Q4 | 2 | 16,923 | — | $150,000 |
| 2021-Q3 | 1 | 10,200 | — | $98,000 |
| 2021-Q2 | 1 | 10,200 | — | $91,000 |
| 2021-Q1 | 1 | 404,653 | — | $3M |
| 2020-Q4 | 1 | 410,785 | — | $4M |
| 2020-Q3 | 2 | 394,481 | — | $3M |
| 2020-Q2 | 4 | 511,696 | — | $3M |
| 2020-Q1 | 4 | 720,839 | — | $4M |
| 2019-Q4 | 6 | 812,324 | — | $10M |
| 2019-Q3 | 6 | 750,778 | — | $9M |
| 2019-Q2 | 7 | 803,818 | — | $11M |
| 2019-Q1 | 7 | 785,310 | — | $10M |
| 2018-Q4 | 6 | 770,391 | — | $10M |
| 2018-Q3 | 6 | 694,390 | — | $9M |
| 2018-Q2 | 6 | 708,743 | — | $10M |
| 2018-Q1 | 5 | 552,481 | — | $10M |
| 2017-Q4 | 5 | 482,130 | — | $8M |
| 2017-Q3 | 4 | 519,238 | — | $6M |
| 2017-Q2 | 5 | 481,776 | — | $5M |
| 2017-Q1 | 7 | 947,242 | — | $10M |
| 2016-Q4 | 4 | 414,047 | — | $5M |
| 2016-Q3 | 4 | 315,387 | — | $3M |
| 2016-Q2 | 4 | 308,704 | — | $3M |
| 2016-Q1 | 4 | 329,029 | — | $3M |
| 2015-Q4 | 7 | 228,690 | — | $2M |
| 2015-Q3 | 3 | 16,145 | — | $157,000 |
| 2015-Q2 | 6 | 68,359 | — | $906,000 |
| 2015-Q1 | 5 | 88,891 | — | $1M |
| 2014-Q4 | 3 | 130,393 | — | $2M |
| 2014-Q3 | 4 | 209,530 | — | $2M |
| 2014-Q2 | 4 | 224,180 | — | $3M |
| 2014-Q1 | 6 | 277,956 | — | $4M |
| 2013-Q4 | 5 | 233,064 | — | $3M |
| 2013-Q3 | 6 | 293,642 | — | $4M |
| 2013-Q2 | 7 | 256,071 | — | $3M |
| 2013-Q1 | 2 | 15,642 | — | $205,000 |
