Boston Scientific
1,512 hedge funds and large institutions have $120B invested in Boston Scientific in 2024 Q4 according to their latest regulatory filings, with 218 funds opening new positions, 617 increasing their positions, 489 reducing their positions, and 83 closing their positions.
163% more first-time investments, than exits
New positions opened: 218 | Existing positions closed: 83
26% more repeat investments, than reductions
Existing positions increased: 617 | Existing positions reduced: 489
9% more capital invested
Capital invested by funds: $111B → $120B (+$9.45B)
8% more funds holding
Funds holding: 1,395 → 1,512 (+117)
8% more funds holding in top 10
Funds holding in top 10: 36 → 39 (+3)
1.08% more ownership
Funds ownership: 89.89% → 90.98% (+1.1%)
13% less call options, than puts
Call options by funds: $797M | Put options by funds: $912M
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
BlackRock
New York
|
+$909M |
| 2 |
Capital World Investors
Los Angeles,
California
|
+$547M |
| 3 |
Wellington Management Group
Boston,
Massachusetts
|
+$294M |
| 4 |
AI
Axiom Investors
Greenwich,
Connecticut
|
+$223M |
| 5 |
Northern Trust
Chicago,
Illinois
|
+$196M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Massachusetts Financial Services
Boston,
Massachusetts
|
-$529M |
| 2 |
Citadel Advisors
Miami,
Florida
|
-$428M |
| 3 |
Assenagon Asset Management
Senningerberg,
Luxembourg
|
-$260M |
| 4 |
Fidelity Investments
Boston,
Massachusetts
|
-$242M |
| 5 |
Bank of Montreal
Toronto,
Ontario, Canada
|
-$222M |
BSX Hedge Fund Activity: Q4 2024 in Review
1,512 of the 7,592 institutional investors tracked by Wall St. Rank reported a position in Boston Scientific (BSX) for Q4 2024, worth a combined $120B — up 8.5% from $111B a quarter earlier.
Buyers outnumbered sellers: 218 funds opened new BSX positions and 83 closed out — a net gain of 135 holders — while 617 added to existing stakes and 489 trimmed.
The largest buyer was BlackRock, adding an estimated $909M. The largest seller was Massachusetts Financial Services, cutting an estimated $529M.
- 1,512 institutional investors held Boston Scientific (BSX) as of Q4 2024, up from 1,395 in Q3 2024.
- Funds reported $120B of Boston Scientific stock for Q4 2024, up 8.5% quarter-over-quarter.
- 218 funds opened new Boston Scientific positions in Q4 2024 and 83 closed out, a net change of +135 holders.
- The largest Boston Scientific buyer in Q4 2024 was BlackRock, an estimated $909M added.
- The largest Boston Scientific seller in Q4 2024 was Massachusetts Financial Services, an estimated $529M sold.
Based on aggregated 13F filings for Q4 2024.