AllianceBernstein Holding L.P.
AllianceBernstein Holding L.P. (AB) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · AB · as of Mar 31, 2025
Ownership Breakdown
306
Institutional Holders
▲ 7 vs Q4
$995.12M
Total Inst. Value
▲ $37.24M vs Q4
110.54M
Shares Outstanding
freeFloat 82.70%
25.97M
13F Shares Held
▲ 213,292 vs Q4
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
AB largest shareholders · institutional ownership
Q1 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
MORGAN STANLEY investment advice | 4.71M | 4.25% | 4.25% | $180.25B | May 15, 2025 | ▲ 2.06M |
FMR LLC investment advice | 3.32M | 3.00% | 3.00% | $127.00B | May 12, 2025 | ▲ 204.8K |
AMERICAN CENTURY COMPANIES INC investment advice | 1.73M | 1.57% | 1.57% | $66.46B | May 13, 2025 | ▼ 1.29M |
BANK OF AMERICA CORP /DE/ investment advice | 1.35M | 1.22% | 1.22% | $51.57B | May 15, 2025 | ▲ 527.8K |
UBS GROUP AG investment advice | 1.29M | 1.17% | 1.17% | $49.39B | May 13, 2025 | ▲ 675.8K |
NEUBERGER BERMAN GROUP LLC investment advice | 1.13M | 1.02% | 1.02% | $43.40B | May 13, 2025 | ▲ 1.10M |
GOLDMAN SACHS GROUP INC investment advice | 916.6K | 82.86% | 82.86% | $35.11B | Jun 27, 2025 | ▲ 312.9K |
JENNISON ASSOCIATES LLC investment advice | 911.6K | 82.41% | 82.41% | $34.92B | May 5, 2025 | ▼ 28.1K |
CITADEL ADVISORS LLC investment advice | 551.4K | 49.85% | 49.85% | $21.12B | May 15, 2025 | ▲ 464.9K |
683 CAPITAL MANAGEMENT, LLC investment advice | 525.8K | 47.54% | 47.54% | $20.14B | May 15, 2025 | NEW |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q1 2025 vs prior quarter
Q1 2025
25
Increased
+6.62M shares6
New Positions
first time holders16
Decreased
−3.86M shares0
Sold Out
fully exitedNet shares change (top 50)
+2.76M
+6.62M / −3.86M
Net new holders
+15
6 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
AB insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
6
Buy transactions
1
Sell transactions
6.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Holley Bruce M director | May 20, 2026 | Award | 4,397 | $38.67 | $170.0K | 13.6K | Form 4 ↗ |
Stonehill Charles G.T. director | May 20, 2026 | Award | 4,397 | $38.67 | $170.0K | 29.6K | Form 4 ↗ |
Kaye Daniel G director | May 20, 2026 | Award | 4,397 | $38.67 | $170.0K | 48.5K | Form 4 ↗ |
Narayandas Das director | May 20, 2026 | Award | 4,397 | $38.67 | $170.0K | 49.3K | Form 4 ↗ |
Walthall Todd director | May 20, 2026 | Award | 4,397 | $38.67 | $170.0K | 25.3K | Form 4 ↗ |
LAMMTENNANT JOAN M director | May 20, 2026 | Award | 4,397 | $38.67 | $170.0K | 24.9K | Form 4 ↗ |
BERNSTEIN SETH P CEO | Apr 30, 2026 | Sale | 29,000 | $39.54 | $1.15M | 212.0K | Form 4 ↗ |
BERNSTEIN SETH P CEO | Feb 18, 2026 | Sale | 26,840 | $41.08 | $1.10M | 241.0K | Form 4 ↗ |
Luckey Alexis Chief Accounting Officer | Dec 10, 2025 | Award | 517 | $41.11 | $21.3K | 7.9K | Form 4 ↗ |
Sprules Karl Chief Operating Officer | Dec 10, 2025 | Gift | 2,490 | $41.11 | $102.4K | 129.6K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
AllianceBernstein Holding L.P. (AB) is primarily owned by institutional investors, who hold approximately 23.5% of total shares outstanding. Company insiders own approximately 17.30%, while retail and public investors account for the remaining 59.20%.
The largest institutional shareholder of AllianceBernstein Holding L.P. is MORGAN STANLEY, holding approximately 4.71 million shares — equal to 4.25% of outstanding shares — as of March 31, 2025.
A total of 306 institutional investors currently hold AB stock, with a combined institutional value of approximately $995,123,439 as of the most recent 13F filing period.
Frequently asked questions
AB ownershipAllianceBernstein Holding L.P. (AB) is primarily owned by institutional investors, who hold approximately 23.5% of shares. The largest shareholder is MORGAN STANLEY with a 4.25% stake. Company insiders hold 17.30%. Data sourced from SEC Form 13F as of March 31, 2025.