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Of the 17 tracked institutions holding STT, 11 have a 3-year clone track record — 8 of them beat the S&P. Average holder's clone alpha: +3.1pt. It's a gauge of who owns the name, not just how many.
Among the 17 tracked institutional investors we monitor, STT (STATE STR CORP) is held with a combined value of $12.54B across 98,372,291 shares. The largest holder is VANGUARD GROUP INC with a position worth $4.72B (0.07% of their portfolio). 6 funds increased their holdings. 11 funds reduced their position.
Total Institutional Value
$12.54B
Total Shares Held
98,372,291
Institutional Holders
17
% of Shares Outstanding
35.5%
of 276.77M shares · SEC 2026-04-27
Days to Cover
1.6-6.0%
5.02M shares short · FINRA 2026-06-30
Tracked 13F institutions hold 35.5% of STT's shares outstanding. This is a floor: 13F filings arrive on a ~45-day lag and we track only a subset of institutional filers, so true institutional ownership is higher. Shares-outstanding is the latest SEC cover-page figure (as of 2026-04-27), not a live float.
Ranked by estimated dollars moved (share change × implied price). 13F data lags up to 45 days.
0
$0
6
$8.53M
Total Transactions
6
Last 12 months
| Date | Insider | Code | Type | Shares | Value |
|---|---|---|---|---|---|
| Jul 21, 2026 | HANLEY RONALD P O | S | Sale | 14,553 | $2.68M |
| Jul 21, 2026 | Kathryn M Horgan | S | Sale | 5,523 | $1.02M |
| Jun 11, 2026 | Kathryn M Horgan | S | Sale | 5,500 | $895.29K |
| Jun 8, 2026 | MICHAEL L RICHARDS | S | Sale | 1,500 | $243.21K |
| May 26, 2026 | W. Bradford Hu | S | Sale | 9,212 | $1.43M |
| May 26, 2026 | HANLEY RONALD P O | S | Sale | 14,553 | $2.26M |
| # | Fund | Value↓ | Portfolio % | Change |
|---|---|---|---|---|
| 1 | VANGUARD GROUP INC | $4.72B | 0.07% | -1.0% |
| 2 | BlackRock, Inc. | $3.04B | 0.05% | -2.2% |
| 3 | STATE STREET CORP | $1.69B | 0.06% | +0.2% |
| 4 | FMR LLC | $1.46B | 0.08% | -13.3% |
| 5 | HARRIS ASSOCIATES L P | $778.08M | 1.04% | -2.5% |
| 6 | AQR CAPITAL MANAGEMENT LLC | $205.80M | 0.09% | +42.1% |
| 7 | PRICE T ROWE ASSOCIATES INC /MD/ | $194.63M | 0.02% | -44.3% |
| 8 | CITADEL ADVISORS LLC | $103.59M | 0.07% | +70.3% |
| 9 | WELLINGTON MANAGEMENT GROUP LLP | $86.47M | 0.02% | +584.7% |
| 10 | MILLENNIUM MANAGEMENT LLC | $61.16M | 0.03% | -84.0% |
| Member | Type | Date |
|---|---|---|
| Jake Auchincloss | Sell | May 18, 2026 |
| Jake Auchincloss | Sell | Feb 17, 2026 |
| Jake Auchincloss | Sell | Feb 17, 2026 |
| Julia Letlow | Sell |
As of the latest SEC 13F filings, VANGUARD GROUP INC is the largest institutional holder of STT with a position worth $4.72B, representing 0.07% of their portfolio. In total, 17 institutional investors hold STT with a combined value of $12.54B.
Institutional investors hold $12.54B worth of STT stock across 17 positions. The largest institutional holder is VANGUARD GROUP INC with $4.72B in holdings.
A 13F filing is a quarterly report required by the SEC from institutional investment managers with over $100 million in assets. It discloses their holdings in U.S. equities. For STT, these filings reveal which major funds are accumulating or reducing positions, providing insights into institutional sentiment.
Get notified when hedge funds change their STT positions.
Alpha = the manager's 3-year clone return minus the S&P 500. A skilled roster is a stronger tell than a crowded one — though even skilled managers' edge doesn't reliably survive the 13F disclosure lag. Why →
| Nov 21, 2025 |
| Jake Auchincloss | Sell | Nov 17, 2025 |
| Jonathan Jackson | Buy | Nov 11, 2025 |
| Jake Auchincloss | Sell | Aug 18, 2025 |
| Julia Letlow | Buy | May 27, 2025 |
Showing 8 of 25. STOCK Act disclosures lag up to 45 days.
Last Close
$185.40
2026-07-24
YTD
+43.6%
98% of 52-week range
