Filed: 5/7/2026ACC: 0000945621-26-000644
📋 What this filing means
SECTOR GAMMA AS filed this quarterly 13F‑HR report disclosing 42 equity positions with a total reported market value of $423.49M. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.
42
Positions
$423.49M
Total AUM (reported)
8.83M
Total Shares
Allocation by class
COM$359.73M84.9%
SHS$24.32M5.7%
COMMON STOCK$11.25M2.7%
CL A$6.62M1.6%
ORD SHARES$6.50M1.5%
COM NEW$5.12M1.2%
COM SHS$5.07M1.2%
Portfolio Concentration
Top 3$112.17M26.5%
4–10$116.94M27.6%
11–25$130.55M30.8%
Rest$63.83M15.1%
Top 3 weight
26.5%
Top 10 weight
54.1%
Voting Authority Distribution
Total shares with voting rights: 8.83M
Sole
Full voting authority
8.83M
shares
% of voting shares100.0%
Shared
Joint voting authority
0.00
shares
% of voting shares0.0%
None
No voting authority
0.00
shares
% of voting shares0.0%
Investment Discretion (by position count)
Sole42
Shared0
Other0
Dominant voting typeSole · 100.0% of voting shares
Institutional Holdings42
Rows:
BRISTOL-MYERS SQUIBB CO
SOLEShares827.90K
TypeSH
Market value$50.21M
11.86%
Sole
827.90K
Shared
0.00
None
0.00
MERCK & CO INC
SOLEShares260.34K
TypeSH
Market value$31.32M
7.39%
Sole
260.34K
Shared
0.00
None
0.00
PFIZER INC
SOLEShares1.09M
TypeSH
Market value$30.65M
7.24%
Sole
1.09M
Shared
0.00
None
0.00
MEDTRONIC PLC
SOLEShares280.68K
TypeSH
Market value$24.32M
5.74%
Sole
280.68K
Shared
0.00
None
0.00
INCYTE CORP
SOLEShares200.51K
TypeSH
Market value$18.87M
4.46%
Sole
200.51K
Shared
0.00
None
0.00
AMGEN INC
SOLEShares47.16K
TypeSH
Market value$16.59M
3.92%
Sole
47.16K
Shared
0.00
None
0.00
BIOGEN INC
SOLEShares90.10K
TypeSH
Market value$16.52M
3.90%
Sole
90.10K
Shared
0.00
None
0.00
ZIMMER BIOMET HOLDINGS INC
SOLEShares155.84K
TypeSH
Market value$14.09M
3.33%
Sole
155.84K
Shared
0.00
None
0.00
BIOMARIN PHARMACEUTICAL INC
SOLEShares239.92K
TypeSH
Market value$13.55M
3.20%
Sole
239.92K
Shared
0.00
None
0.00
BECTON DICKINSON & CO
SOLEShares82.61K
TypeSH
Market value$12.99M
3.07%
Sole
82.61K
Shared
0.00
None
0.00
ELEVANCE HEALTH INC FORMERLY
SOLEShares43.96K
TypeSH
Market value$12.87M
3.04%
Sole
43.96K
Shared
0.00
None
0.00
IONIS PHARMACEUTICALS INC
SOLEShares169.47K
TypeSH
Market value$12.73M
3.00%
Sole
169.47K
Shared
0.00
None
0.00
CARDINAL HEALTH INC
SOLEShares54.90K
TypeSH
Market value$11.60M
2.74%
Sole
54.90K
Shared
0.00
None
0.00
UNITEDHEALTH GROUP INC
SOLEShares36.44K
TypeSH
Market value$9.86M
2.33%
Sole
36.44K
Shared
0.00
None
0.00
CVS HEALTH CORP
SOLEShares135.34K
TypeSH
Market value$9.72M
2.30%
Sole
135.34K
Shared
0.00
None
0.00
BRUKER CORP
SOLEShares254.01K
TypeSH
Market value$9.17M
2.17%
Sole
254.01K
Shared
0.00
None
0.00
GE HEALTHCARE TECHNOLOGIES I
SOLEShares126.42K
TypeSH
Market value$9.00M
2.12%
Sole
126.42K
Shared
0.00
None
0.00
ABBOTT LABS
SOLEShares87.53K
TypeSH
Market value$8.99M
2.12%
Sole
87.53K
Shared
0.00
None
0.00
GILEAD SCIENCES INC
SOLEShares53.25K
TypeSH
Market value$7.42M
1.75%
Sole
53.25K
Shared
0.00
None
0.00
LANTHEUS HLDGS INC
SOLEShares93.34K
TypeSH
Market value$7.08M
1.67%
Sole
93.34K
Shared
0.00
None
0.00
IQVIA HLDGS INC
SOLEShares40.23K
TypeSH
Market value$6.86M
1.62%
Sole
40.23K
Shared
0.00
None
0.00
SYNDAX PHARMACEUTICALS INC
SOLEShares286.01K
TypeSH
Market value$6.68M
1.58%
Sole
286.01K
Shared
0.00
None
0.00
BIO RAD LABS INC
SOLEShares23.75K
TypeSH
Market value$6.62M
1.56%
Sole
23.75K
Shared
0.00
None
0.00
QIAGEN NV
SOLEShares162.37K
TypeSH
Market value$6.50M
1.54%
Sole
162.37K
Shared
0.00
None
0.00
AVANTOR INC
SOLEShares695.40K
TypeSH
Market value$5.45M
1.29%
Sole
695.40K
Shared
0.00
None
0.00
| Issuer | Class | Shares | Type | Value / Portfolio % | Voting — Sole | Shared | None |
|---|---|---|---|---|---|---|---|
BRISTOL-MYERS SQUIBB COSOLE | COM | 827.90K | SH | $50.21M 11.86% | 827.90K | 0.00 | 0.00 |
MERCK & CO INCSOLE | COM | 260.34K | SH | $31.32M 7.39% | 260.34K | 0.00 | 0.00 |
PFIZER INCSOLE | COM | 1.09M | SH | $30.65M 7.24% | 1.09M | 0.00 | 0.00 |
MEDTRONIC PLCSOLE | SHS | 280.68K | SH | $24.32M 5.74% | 280.68K | 0.00 | 0.00 |
INCYTE CORPSOLE | COM | 200.51K | SH | $18.87M 4.46% | 200.51K | 0.00 | 0.00 |
AMGEN INCSOLE | COM | 47.16K | SH | $16.59M 3.92% | 47.16K | 0.00 | 0.00 |
BIOGEN INCSOLE | COM | 90.10K | SH | $16.52M 3.90% | 90.10K | 0.00 | 0.00 |
ZIMMER BIOMET HOLDINGS INCSOLE | COM | 155.84K | SH | $14.09M 3.33% | 155.84K | 0.00 | 0.00 |
BIOMARIN PHARMACEUTICAL INCSOLE | COM | 239.92K | SH | $13.55M 3.20% | 239.92K | 0.00 | 0.00 |
BECTON DICKINSON & COSOLE | COM | 82.61K | SH | $12.99M 3.07% | 82.61K | 0.00 | 0.00 |
ELEVANCE HEALTH INC FORMERLYSOLE | COM | 43.96K | SH | $12.87M 3.04% | 43.96K | 0.00 | 0.00 |
IONIS PHARMACEUTICALS INCSOLE | COM | 169.47K | SH | $12.73M 3.00% | 169.47K | 0.00 | 0.00 |
CARDINAL HEALTH INCSOLE | COM | 54.90K | SH | $11.60M 2.74% | 54.90K | 0.00 | 0.00 |
UNITEDHEALTH GROUP INCSOLE | COM | 36.44K | SH | $9.86M 2.33% | 36.44K | 0.00 | 0.00 |
CVS HEALTH CORPSOLE | COM | 135.34K | SH | $9.72M 2.30% | 135.34K | 0.00 | 0.00 |
BRUKER CORPSOLE | COM | 254.01K | SH | $9.17M 2.17% | 254.01K | 0.00 | 0.00 |
GE HEALTHCARE TECHNOLOGIES ISOLE | COMMON STOCK | 126.42K | SH | $9.00M 2.12% | 126.42K | 0.00 | 0.00 |
ABBOTT LABSSOLE | COM | 87.53K | SH | $8.99M 2.12% | 87.53K | 0.00 | 0.00 |
GILEAD SCIENCES INCSOLE | COM | 53.25K | SH | $7.42M 1.75% | 53.25K | 0.00 | 0.00 |
LANTHEUS HLDGS INCSOLE | COM | 93.34K | SH | $7.08M 1.67% | 93.34K | 0.00 | 0.00 |
IQVIA HLDGS INCSOLE | COM | 40.23K | SH | $6.86M 1.62% | 40.23K | 0.00 | 0.00 |
SYNDAX PHARMACEUTICALS INCSOLE | COM | 286.01K | SH | $6.68M 1.58% | 286.01K | 0.00 | 0.00 |
BIO RAD LABS INCSOLE | CL A | 23.75K | SH | $6.62M 1.56% | 23.75K | 0.00 | 0.00 |
QIAGEN NVSOLE | ORD SHARES | 162.37K | SH | $6.50M 1.54% | 162.37K | 0.00 | 0.00 |
AVANTOR INCSOLE | COM | 695.40K | SH | $5.45M 1.29% | 695.40K | 0.00 | 0.00 |
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