Mackay Shields LLC
Annual return
—
SPY
—
Alpha
—
Invested
$2.7B
Holdings
111
Trades YTD
0
Performance · Fund vs SPY
Cumulative return · quarterly snapshotsCoverage 100%. 2 quarters of 2025 measured against SPY adj-close benchmark.
Top holdings · current snapshot
Source: 13F-HR01
$LITE 0.5 06/15/2
LUMENTUM HLDGS INC
Q1 2026: Exited (was 56.97M shares)
5.3%
02
$WDC 3 11/15/28
WESTERN DIGITAL CORP
Q1 2026: Exited (was 3.01M shares)
4.1%
03
$AEIS 2.5 09/15/2
ADVANCED ENERGY INDS
Q1 2026: Exited (was 6.08M shares)
3.5%
04
$MIRM 4 05/01/29
MIRUM PHARMACEUTICALS INC
Q1 2026: Exited (was 91.17M shares)
2.5%
05
$QXO 5.5 05/15/28
QXO INC
Q1 2026: Exited (was 179.5k shares)
2.4%
06
$LNTH 2.625 12/15
LANTHEUS HLDGS INC
Q1 2026: Exited (was 21.72M shares)
2.2%
07
$MKSI 1.25 06/01/
MKS INC.
Q1 2026: Exited (was 11.53M shares)
2.2%
08
$CABO 1.125 03/15
CABLE ONE INC
Q1 2026: Exited (was 103.34M shares)
2.1%
09
$TTEK 2.25 08/15/
TETRA TECH INC NEW
Q1 2026: Exited (was 22.15M shares)
2.1%
10
$UBER 0.875 12/01
UBER TECHNOLOGIES INC
Q1 2026: Exited (was 6.91M shares)
2.0%
Recent trades · Last 90 days
No Form 4 / 13D / 13G trade events on file in the recent window. 13F filers report position snapshots quarterly rather than per-trade events, so this section is most useful for managers who also file Form 4 or 13D/G.
Convergence · Pattern Engine ships in v1.1
30-day windowIn development
Convergence participation lands with the Pattern Engine.
Once the Pattern Engine ships, this section will list every active convergence event this fund is named in — with the other named funds, the Congress members on the same name, and combined position size.
Source data: SEC EDGAR · 13F-HR filings · Last refreshed 08:22 UTC.