Surmodics
SRDX
SRDX was delisted on the 18th of November, 2025.
119 hedge funds and large institutions have $286M invested in Surmodics in 2023 Q1 according to their latest regulatory filings, with 29 funds opening new positions, 41 increasing their positions, 32 reducing their positions, and 30 closing their positions.
90% more call options, than puts
Call options by funds: $194K | Put options by funds: $102K
28% more repeat investments, than reductions
Existing positions increased: 41 | Existing positions reduced: 32
0.45% more ownership
Funds ownership: 88.4% → 88.85% (+0.45%)
3% less first-time investments, than exits
New positions opened: 29 | Existing positions closed: 30
2% less funds holding
Funds holding: 121 → 119 (-2)
32% less capital invested
Capital invested by funds: $423M → $286M (-$137M)
50% less funds holding in top 10
Funds holding in top 10: 2 → 1 (-1)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Millennium Management
New York
|
+$18.5M |
| 2 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
+$5.18M |
| 3 |
SIC
Salem Investment Counselors
Winston Salem,
North Carolina
|
+$3.31M |
| 4 |
SCM
Soleus Capital Management
Greenwich,
Connecticut
|
+$3.02M |
| 5 |
Arrowstreet Capital
Boston,
Massachusetts
|
+$3M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
BlackRock
New York
|
-$33.4M |
| 2 |
Janus Henderson Group
London,
|
-$12.3M |
| 3 |
Vanguard Group
Malvern,
Pennsylvania
|
-$4.44M |
| 4 |
Wellington Management Group
Boston,
Massachusetts
|
-$4.41M |
| 5 |
State Street
Boston,
Massachusetts
|
-$3.76M |
SRDX Hedge Fund Activity: Q1 2023 in Review
119 of the 6,283 institutional investors tracked by Wall St. Rank reported a position in Surmodics (SRDX) for Q1 2023, worth a combined $286M — down 32% from $423M a quarter earlier.
Sellers outnumbered buyers: 30 funds closed out of SRDX and 29 opened new positions — a net loss of 1 holder — while 32 trimmed existing stakes and 41 added.
The largest buyer was Millennium Management, adding an estimated $18.5M. The largest seller was BlackRock, cutting an estimated $33.4M.
- 119 institutional investors held Surmodics (SRDX) as of Q1 2023, down from 121 in Q4 2022.
- Funds reported $286M of Surmodics stock for Q1 2023, down 32% quarter-over-quarter.
- 29 funds opened new Surmodics positions in Q1 2023 and 30 closed out, a net change of -1 holder.
- The largest Surmodics buyer in Q1 2023 was Millennium Management, an estimated $18.5M added.
- The largest Surmodics seller in Q1 2023 was BlackRock, an estimated $33.4M sold.
Based on aggregated 13F filings for Q1 2023.