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Equibles

Bruce & Co., Inc.

Position in SUPN — Supernus Pharmaceuticals, Inc.

CIK 1358331 CHICAGO, IL
Back to SUPN Full portfolio

Position in SUPN

as of Mar 31, 2026 · filed May 14, 2026
Position Value
$5,169,000
+$1,088,382 QoQ
Shares Held
100,000
+21.8% QoQ
Ownership
0.172%
of shares outstanding
% of Portfolio
1.87%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in SUPN Over Time

Shares Held

Position Value (USD)

Position in Drug Manufacturers - Specialty & Generic

Healthcare · as of Mar 31, 2026

Bruce & Co., Inc. holds $5,956,349 across 2 Drug Manufacturers - Specialty & Generic names. SUPN ranks #1 (86.8% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 SUPN
Supernus Pharmaceuticals, Inc.
This page 		100,000 $5,169,000
2 VTRS
Viatris Inc
 58,279 $787,349

All Filings in SUPN

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25 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $5,169,000 100,000
2025-12-31 $4,080,618 82,105
2025-09-30 $3,923,797 82,105
2025-06-30 $2,587,949 82,105
2025-03-31 $2,688,938 82,105
2024-12-31 $2,968,916 82,105
2024-09-30 $2,560,033 82,105
2024-06-30 $2,196,308 82,105
2024-03-31 $2,800,601 82,105
2023-12-31 $2,376,118 82,105
2023-09-30 $2,263,634 82,105
2023-06-30 $2,468,076 82,105
2023-03-31 $2,974,664 82,105
2022-12-31 $3,285,385 92,105
2022-09-30 $4,133,254 122,105
2022-06-30 $5,844,876 202,105
2022-03-31 $7,178,433 222,105
2021-12-31 $11,725,381 402,105
2021-09-30 $10,724,140 402,105
2021-06-30 $12,380,812 402,105
2021-03-31 $10,527,108 402,105
2020-12-31 $10,116,961 402,105
2020-09-30 $7,337,868 352,105
2020-06-30 $8,362,493 352,105
2020-03-31 $6,334,368 352,105

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