Simpson Manufacturing
437 hedge funds and large institutions have $6.93B invested in Simpson Manufacturing in 2025 Q3 according to their latest regulatory filings, with 56 funds opening new positions, 147 increasing their positions, 167 reducing their positions, and 46 closing their positions.
597% more call options, than puts
Call options by funds: $9.81M | Put options by funds: $1.41M
22% more first-time investments, than exits
New positions opened: 56 | Existing positions closed: 46
4% more capital invested
Capital invested by funds: $6.65B → $6.93B (+$283M)
1% more funds holding
Funds holding: 433 → 437 (+4)
3.09% less ownership
Funds ownership: 102.32% → 99.23% (-3.1%)
12% less repeat investments, than reductions
Existing positions increased: 147 | Existing positions reduced: 167
20% less funds holding in top 10
Funds holding in top 10: 5 → 4 (-1)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Fidelity Investments
Boston,
Massachusetts
|
+$95.6M |
| 2 |
Neuberger Berman Group
New York
|
+$21.5M |
| 3 |
Adage Capital Partners
Boston,
Massachusetts
|
+$17.9M |
| 4 |
ACM
Argent Capital Management
St Louis,
Missouri
|
+$17.1M |
| 5 |
Capital World Investors
Los Angeles,
California
|
+$15.6M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
JP Morgan Chase
New York
|
-$108M |
| 2 |
CCA
Conestoga Capital Advisors
Wayne,
Pennsylvania
|
-$39.5M |
| 3 |
Kayne Anderson Rudnick Investment Management
Los Angeles,
California
|
-$39M |
| 4 |
VH
ValueAct Holdings
San Francisco,
California
|
-$35.5M |
| 5 |
Point72 Asset Management
Stamford,
Connecticut
|
-$29.3M |
SSD Hedge Fund Activity: Q3 2025 in Review
437 of the 7,620 institutional investors tracked by Wall St. Rank reported a position in Simpson Manufacturing (SSD) for Q3 2025, worth a combined $6.93B — up 4.3% from $6.65B a quarter earlier.
Buyers outnumbered sellers: 56 funds opened new SSD positions and 46 closed out — a net gain of 10 holders — while 147 added to existing stakes and 167 trimmed.
The largest buyer was Fidelity Investments, adding an estimated $95.6M. The largest seller was JP Morgan Chase, cutting an estimated $108M.
- 437 institutional investors held Simpson Manufacturing (SSD) as of Q3 2025, up from 433 in Q2 2025.
- Funds reported $6.93B of Simpson Manufacturing stock for Q3 2025, up 4.3% quarter-over-quarter.
- 56 funds opened new Simpson Manufacturing positions in Q3 2025 and 46 closed out, a net change of +10 holders.
- The largest Simpson Manufacturing buyer in Q3 2025 was Fidelity Investments, an estimated $95.6M added.
- The largest Simpson Manufacturing seller in Q3 2025 was JP Morgan Chase, an estimated $108M sold.
Based on aggregated 13F filings for Q3 2025.